CN216519498U

CN216519498U - Connection structure suitable for installation of speed reduction starter output

Info

Publication number: CN216519498U
Application number: CN202122965108.2U
Authority: CN
Inventors: 申志梁
Original assignee: Liaocheng Ningtai Motor Co ltd
Current assignee: Liaocheng Ningtai Motor Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-13
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a connecting structure suitable for mounting the output end of a speed reduction starter, which comprises an output shaft, wherein a protective sleeve is fixedly connected to the left end of a coupler, bosses are fixedly connected to the middle parts of the upper end and the lower end of a clamping sleeve, an oilless bearing is fixedly connected to the middle part of the left end of the bearing sleeve, a locking shaft is fixedly connected to the middle part of the left end of an end face flange, a sealing sleeve is fixedly connected to the middle part of the right end of an elastic sleeve, a sealing cavity is arranged in the sealing sleeve, the upper side and the lower side of the right end of the sealing sleeve are both connected to the left side of a shell through bolts, and a gasket is fixedly connected to the right side of the shell by one circle of the outer diameter. According to the utility model, the tightness of the driven mechanism is enhanced by matching the locking shaft, the coupler and the oilless bearing, the transmission effect can be ensured by matching the fixing pin, the tightness of the output end is ensured by the sealing sleeve and the sealing cavity, the oxidation of the internal structure is prevented, the service life is prolonged, and the oil-free transmission device is worth of being widely popularized.

Description

Connection structure suitable for installation of speed reduction starter output

Technical Field

The utility model relates to the field of speed reduction starters, in particular to a connecting structure suitable for mounting an output end of a speed reduction starter.

Background

The speed reducing starter is a starter with a gear reducer arranged between an armature shaft and a driving gear of the starter, the power of a series excited DC motor is in direct proportion to the torque and the rotating speed of the series excited DC motor, when the rotating speed of the motor is increased and the torque of the motor is reduced, the power of the starter can be kept unchanged, so that when the series excited DC motor with high speed and low torque is adopted as the starter, the volume and the mass of the starter can be greatly reduced under the condition of the same power, and in addition, when the DC motor with high speed and low torque is adopted in the starter, the gear reducer is arranged between the armature shaft of the motor and the driving gear, and the rotating speed of the motor can be reduced and the torque of the motor can be increased.

Chinese patent document CN214154196U discloses a speed-reducing starter convenient to install, which uses the cooperation of a mounting seat, a mounting plate, a speed-reducing starter body, a screw, a handle, a sliding sleeve, a connecting rod, a transverse plate, a vertical plate, a limiting block and a limiting groove, and has the advantage of convenient installation, and solves the problem that the existing speed-reducing starter is inconvenient to install and the installation efficiency is easily reduced. However, the output end of the traditional speed-reducing starter has some defects in structure, such as serious abrasion of various structures caused by long-time rotation, short service life, poor sealing property, easy oxidation or water inlet and easy corrosion of internal structures and components, untight connection, poor transmission effect and the like when the speed-reducing starter is externally connected with a transmission mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a connecting structure suitable for mounting the output end of a speed reduction starter.

In order to achieve the purpose, the utility model adopts the following technical scheme: a connecting structure suitable for mounting the output end of a speed reduction starter comprises an output shaft, a coupling is fixedly connected with the left outer diameter of the output shaft for a circle, the left end of the coupler is fixedly connected with a protective sleeve, the middle part of the left end of the protective sleeve is fixedly connected with a jacket, the middle parts of the upper end and the lower end of the jacket are fixedly connected with bosses, the left side of the jacket is fixedly connected with a bearing sleeve, the middle part of the left end of the bearing sleeve is fixedly connected with an oilless bearing, the middle part of the left end of the oilless bearing is fixedly connected with the right end of the end face flange, the middle part of the left end of the end face flange is fixedly connected with a locking shaft, the outer diameter of the middle part of the output shaft is circularly and fixedly connected with an elastic sleeve, the middle part of the right end of the elastic sleeve is fixedly connected with a sealing sleeve, a sealing cavity is arranged inside the sealing sleeve, the upper side and the lower side of the right end of the sealing sleeve are both connected to the left side of the shell through bolts, and the right side of the right end of the shell is fixedly connected with a gasket in a circle of the outer diameter of the shell.

As a further description of the above technical solution:

the left side and the right side inside the boss are both in threaded connection with fixing pins.

As a further description of the above technical solution:

and a plurality of positioning holes are uniformly formed in the middle of the left end of the oilless bearing.

As a further description of the above technical solution:

the upper side and the lower side of the left end of the elastic sleeve are both provided with grooves.

As a further description of the above technical solution:

the upper side and the lower side of the right end of the coupler are fixedly connected with connecting blocks.

As a further description of the above technical solution:

and a plurality of oil return holes are uniformly formed in the middle of one circle of the outer diameter of the coupler.

As a further description of the above technical solution:

and a clamping piece is fixedly connected to the periphery of the outer diameter of the washer.

As a further description of the above technical solution:

and the upper side and the lower side of the inner wall of the left end of the sealed cavity are fixedly connected with moisture absorption pieces.

The utility model has the following beneficial effects:

1. according to the utility model, firstly, the tightness of the driven mechanism is enhanced through the matching of the locking shaft, the coupler and the oilless bearing, the transmission effect can be ensured through the matching of the fixing pin, the sealing performance of the output end is ensured through the sealing sleeve and the sealing cavity, the oxidation of the internal structure is prevented, the service life is prolonged, and the moisture absorption piece and the gasket can prevent the influence on the working efficiency of the speed reducer caused by the fact that water enters the speed reducer through the output end and empties.

2. According to the utility model, the structure can be further protected by adding the bearing sleeve and the protective sleeve, the service life is prolonged, the clamping sleeves and the elastic sleeves on the left side and the right side of the coupler can also prevent lubricating oil entering from the oil return hole from flowing out to influence the lubricating effect, the clamping part is used for clamping the shell and the gasket, the stability of the whole structure is ensured, and the coupler is worthy of great popularization.

Drawings

Fig. 1 is a cross-sectional view of a coupling structure adapted to be mounted on an output terminal of a reduction starter according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view of fig. 1 at B.

Illustration of the drawings:

1. an output shaft; 2. a coupling; 3. a protective sleeve; 4. a groove; 5. connecting blocks; 6. an oil return hole; 7. a bearing housing; 8. a housing; 9. positioning holes; 10. an elastic sleeve; 11. a bolt; 12. a jacket; 13. a boss; 14. an end face flange; 15. a clamping member; 16. sealing sleeves; 17. sealing the cavity; 18. a locking shaft; 19. a gasket; 20. an oilless bearing; 21. a fixing pin; 22. an absorbent member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: the utility model provides a connection structure suitable for installation of speed reduction starter output, includes output shaft 1, main drive mechanism, its characterized in that: the left outer diameter circle of the output shaft 1 is fixedly connected with a coupler 2 for externally connecting a transmission mechanism, the left end of the coupler 2 is fixedly connected with a protective sleeve 3 for protection, the middle part of the left end of the protective sleeve 3 is fixedly connected with a jacket 12 for connection and protection, the middle parts of the upper end and the lower end of the jacket 12 are fixedly connected with bosses 13 matched with a fixed pin 21 to complete fixation, the left side of the jacket 12 is fixedly connected with a bearing sleeve 7 for protection, the middle part of the left end of the bearing sleeve 7 is fixedly connected with an oilless bearing 20, the driven transmission mechanism, the middle part of the left end of the oilless bearing 20 is fixedly connected with the right end of an end face flange 14, a connection structure is connected with an externally connected transmission shaft, the middle part of the left end of the end face flange 14 is fixedly connected with a locking shaft 18, the clamping shaft 18 presents a certain angle for fixing a driven shaft, the middle outer diameter circle of the output shaft 1 is fixedly connected with an elastic sleeve 10 for elasticity and protection, elastic sleeve 10 right-hand member middle part fixedly connected with seal cover 16, sealed effect prevents the structure oxidation, and seal cover 16 is inside to be provided with sealed chamber 17, and both sides are all connected on 8 left sides of casing through bolt 11 about the seal cover 16 right-hand member, and 8 external diameter a week fixedly connected with packing ring 19 of right side casing further strengthen sealed effect.

Equal threaded connection in the inside left and right sides of boss 13 has fixed pin 21, the fixed action, 20 left ends middle parts of oilless bearing evenly are provided with a plurality of locating holes 9, conveniently carry out the connection of structure and the infiltration of lubricating oil, both sides all are provided with recess 4 about the elastic sleeve 10 left end, agree with connecting block 5, accomplish linkage and fixed action, the equal fixedly connected with connecting block 5 in both sides about 2 right-hand members of shaft coupling, the middle part of 2 external diameter a week of shaft coupling evenly is provided with a plurality of oil gallery 6, be used for lubricating oil to paint the entry, 19 external diameter a week fixedly connected with clamping piece 15 of packing ring, the clamping action, the equal fixedly connected with piece 22 that absorbs moisture in the upper and lower both sides of 17 left end inner walls in sealed chamber, moisture in the absorbed air.

The working principle is as follows: will treat driven structure and connect into shaft coupling 2 through locking shaft 18 and end flange 14, locking shaft 18 and shaft coupling 2 and oilless bearing 20's cooperation, the reinforcing is by drive mechanism's compactness, the transmission effect can be guaranteed to cooperation fixed pin 21, through seal cover 16 and sealed chamber 17, guarantee the leakproofness of output, prevent the inner structure oxidation, increase of service life, moisture absorption piece 22 and packing ring 19 can prevent that the speed reducer is inside to advance empty through the output and influence its work efficiency, bearing housing 7 and protective sheath can further protection architecture, increase of service life, the cover 12 and the elastic sleeve 10 of pressing from both sides about shaft coupling 2 also can prevent to flow out from the lubricating oil that oil gallery 6 got into, influence lubricated effect, come the clamp tight to casing 8 and packing ring 19 through clamping piece 15, guarantee overall structure's stability.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a connection structure suitable for installation of speed reduction starter output, includes output shaft (1), its characterized in that: the output shaft (1) left side external diameter a week fixedly connected with shaft coupling (2), shaft coupling (2) left end fixedly connected with protective sheath (3), protective sheath (3) left end middle part fixedly connected with presss from both sides cover (12), the equal fixedly connected with boss (13) in middle part at both ends about pressing from both sides cover (12), press from both sides cover (12) left side fixedly connected with bearing housing (7), bearing housing (7) left end middle part fixedly connected with oilless bearing (20), oilless bearing (20) left end middle part fixedly connected with the right-hand member of end face flange (14), end face flange (14) left end middle part fixedly connected with locking shaft (18), output shaft (1) middle part external diameter a week fixedly connected with elastic sleeve (10), elastic sleeve (10) right-hand member middle part fixedly connected with seal cover (16), seal cover (16) inside is provided with seal chamber (17), the upper side and the lower side of the right end of the sealing sleeve (16) are connected to the left side of the shell (8) through bolts (11), and the right side of the outer diameter of the shell (8) is fixedly connected with a gasket (19) in a circle.

2. A coupling structure adapted for output-side mounting of a reduction starter according to claim 1, wherein: the left side and the right side inside the boss (13) are both in threaded connection with fixing pins (21).

3. A coupling structure adapted for output-side mounting of a reduction starter according to claim 1, wherein: the middle part of the left end of the oilless bearing (20) is uniformly provided with a plurality of positioning holes (9).

4. A coupling structure adapted for output-side mounting of a reduction starter according to claim 1, wherein: the upper side and the lower side of the left end of the elastic sleeve (10) are both provided with grooves (4).

5. A coupling structure adapted for output-side mounting of a reduction starter according to claim 1, wherein: the upper side and the lower side of the right end of the coupler (2) are fixedly connected with connecting blocks (5).

6. A coupling structure adapted for output-side mounting of a reduction starter according to claim 1, wherein: and a plurality of oil return holes (6) are uniformly formed in the middle of one circle of the outer diameter of the coupler (2).

7. A coupling structure adapted for output-side mounting of a reduction starter according to claim 1, wherein: and a clamping piece (15) is fixedly connected to the periphery of the outer diameter of the gasket (19).

8. A coupling structure adapted for output-side mounting of a reduction starter according to claim 1, wherein: the upper side and the lower side of the inner wall of the left end of the sealed cavity (17) are fixedly connected with moisture absorption pieces (22).