CN216328062U

CN216328062U - Speed reducer convenient to dismantle and maintain

Info

Publication number: CN216328062U
Application number: CN202122841982.5U
Authority: CN
Inventors: 石忠东; 潘兵; 石继宁
Original assignee: Xianning Sanfeng Machinery Co ltd
Current assignee: Xianning Sanfeng Machinery Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-19
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to a speed reducer convenient to disassemble and maintain, which comprises a shell and an end cover, wherein the end surface of the shell is provided with a plurality of threaded holes, the threaded holes are annularly arranged in an array by taking the center of the end surface of the shell as a circle center, the surface of the end cover is provided with a plurality of through holes, the through holes are annularly arranged in an array by taking the center of the surface of the end cover as a circle center, the surface of the end cover is provided with two threaded through holes, the two threaded through holes are symmetrically distributed by taking the center of the surface of the end cover, the number of the through holes is consistent with that of the threaded holes, when the end cover covers the end surface of the shell, the through holes correspond to the threaded holes one to one, and the end cover and the shell are fixedly connected together in a mode that a plurality of bolts penetrate through the through holes and then are matched with the threaded holes to be connected with the shell.

Description

Speed reducer convenient to dismantle and maintain

Technical Field

The utility model relates to the technical field of speed reducers, in particular to a speed reducer convenient to disassemble and maintain.

Background

The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.

The existing speed reducer generally optimizes the speed reduction on the aspects of how to better reduce the speed and how to use the speed reducer by a user, usually neglects whether the user can detach and maintain the speed reducer, for example, when an end cover is detached from a shell, the end cover is still difficult to separate from the shell manually after fixed bolts are detached.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, an object of the present invention is to provide a reducer which is easy to disassemble and maintain, and which can easily separate an end cover with a removed bolt from a housing by using a simple and small design.

In order to achieve the purpose, the speed reducer convenient to disassemble and maintain comprises a shell and an end cover, wherein the end face of the shell is provided with a plurality of threaded holes, and the threaded holes are annularly arranged in an array by taking the center of the end face of the shell as a circle center;

the surface of the end cover is provided with a plurality of through holes, the through holes are arranged in an annular array by taking the center of the surface of the end cover as a circle center, the surface of the end cover is provided with two threaded through holes, and the two threaded through holes are symmetrically distributed by taking the center of the surface of the end cover;

the number of the through holes is consistent with that of the threaded holes, when the end cover covers the end face of the shell, the through holes correspond to the threaded holes one to one, and the end cover is fixedly connected with the shell together in a mode that a plurality of bolts penetrate through the through holes and then are matched with the threaded holes to be connected with the shell.

Further, the thread adopted by the through hole is consistent with the thread of the threaded hole.

Further, a portion of the end cap is embedded in the housing.

Further, the bolts are 12.9-grade high-strength bolts.

Furthermore, the outer end of the through hole is provided with a countersunk head, and the bolt is a hexagon socket head cap screw.

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

the casing is the shell body of speed reducer, the terminal surface at the casing is fixed with the end cover to the bolt lets the shell body of speed reducer be the enclosed state, when needs are dismantled the speed reducer and are maintained, use the spanner to demolish a plurality of bolts, general end cover still is difficult for taking off from the casing terminal surface this moment, it can be with screw thread through-hole screw-thread fit's plug packing into in the screw thread through-hole to reuse two, and wrench movement these two plugs respectively, let two plugs go deep into the screw thread through-hole and with the casing terminal surface contact, continue wrench movement plug, because the plug front end has contacted with the casing terminal surface, just can only open the end cover to the direction of keeping away from the casing, finally reach the purpose of tearing down the end cover from the casing terminal surface.

In conclusion, the speed reducer convenient to disassemble and maintain realizes that the end cover with the disassembled bolt is easily separated from the shell by using a simple small design.

Drawings

FIG. 1 is a cross-sectional view of a reducer of the present invention for easy disassembly and maintenance;

FIG. 2 is a cross-sectional view of another angle of the reducer for easy disassembly and maintenance of the present invention;

FIG. 3 is a partial side view of a reducer of the present invention for easy disassembly and maintenance;

FIG. 4 is a partial side view of a reducer housing for easy disassembly and maintenance in accordance with the present invention;

in the figure: 1. a housing; 2. an end cap; 3. a threaded hole; 4. a through hole; 5. a threaded through hole; 6. a bolt; 7. and (6) jacking and bolting.

Detailed Description

To explain the technical content, structural features, attained objects and effects of the present invention in detail, embodiments are described below in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and 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 therefore, should not be taken as limiting the scope of the present invention.

Referring to fig. 1 and fig. 2 to 4, the present invention provides an embodiment:

the utility model provides a speed reducer convenient to disassemble and maintain, which comprises a shell 1 and an end cover 2, wherein the end surface of the shell 1 is provided with a plurality of threaded holes 3, and the threaded holes 3 are annularly arranged in an array by taking the center of the end surface of the shell 1 as a circle center;

the surface of the end cover 2 is provided with a plurality of through holes 4, the through holes 4 are arranged in an annular array by taking the center of the surface of the end cover 2 as a circle center, the surface of the end cover 2 is provided with two threaded through holes 5, and the two threaded through holes 5 are symmetrically distributed by taking the center of the surface of the end cover 2 as a circle center;

the number of the through holes 4 is consistent with that of the threaded holes 3, when the end cover 2 covers the end face of the shell 1, the through holes 4 correspond to the threaded holes 3 one by one, and the end cover 2 is fixedly connected with the shell 1 in a mode that a plurality of bolts 6 penetrate through the through holes 4 and then are matched with the threaded holes 3 to be connected with the shell 1.

Casing 1 is the shell body of speed reducer (not marked in the figure), bolt 6 fixes end cover 2 at the terminal surface of casing 1 and lets the shell body of speed reducer be the enclosed state, when needs dismantle the speed reducer and maintain, use spanner (not marked in the figure) to demolish a plurality of bolts 6, general end cover 2 still is difficult to take off from casing 1 terminal surface this moment, reuse two can pack into in screw through hole 5 with screw through hole 5 screw thread complex's jackbolts 7, and twist these two jackbolts 7 respectively, let two jackbolts 7 go deep into screw through hole 5 and with casing 1 terminal surface contact, continue to twist the jackbolt 7, because the jackbolt 7 front end has contacted with casing 1 terminal surface, just can only open end cover 2 to the direction of keeping away from casing 1, finally reach the purpose of dismantling end cover 2 from casing 1 terminal surface.

Further, the thread adopted by the through hole 4 is consistent with the thread of the threaded hole 3.

Thus, the end cover 2 is not required to be jacked down from the end face of the shell 1 by preparing an additional jacking bolt 7, and the jacked bolt can be directly used for replacing the jacked bolt 6.

Further, a part of the end cap 2 is embedded in the housing 1.

The strength of the end cover 2 which can bear various external forces when being connected with the shell 1 is increased.

Further, the bolt 6 is a 12.9-grade high-strength bolt.

The strength of the bolt 6 is improved, so that the connection strength of the end cover 2 and the shell 1 is increased.

Furthermore, the outer end of the through hole 4 is provided with a countersunk head (not marked in the figure), and the bolt 6 is a hexagon socket head cap screw.

The nut of the bolt 6 can be hidden in the countersunk head, and the appearance is more attractive.

Claims

1. The utility model provides a speed reducer convenient to dismantle and maintain which characterized in that: the end cover comprises a shell (1) and an end cover (2), wherein the end face of the shell (1) is provided with a plurality of threaded holes (3), and the threaded holes (3) are annularly arranged in an array by taking the center of the end face of the shell (1) as a circle center;

the surface of the end cover (2) is provided with a plurality of through holes (4), the through holes (4) are arranged in an annular array by taking the center of the surface of the end cover (2) as a circle center, the surface of the end cover (2) is provided with two threaded through holes (5), and the two threaded through holes (5) are symmetrically distributed by taking the center of the surface of the end cover (2) as a circle center;

the number of the through holes (4) is consistent with that of the threaded holes (3), when the end cover (2) covers the end face of the shell (1), the through holes (4) correspond to the threaded holes (3) one to one, and a plurality of bolts (6) are utilized to penetrate through the through holes (4) and then matched with the threaded holes (3) to be connected with the shell (1) so as to fixedly connect the end cover (2) and the shell (1).

2. A reducer convenient to disassemble and maintain according to claim 1, characterized in that: the thread adopted by the through hole (4) is consistent with the thread of the threaded hole (3).

3. A reducer convenient to disassemble and maintain according to claim 1, characterized in that: the end cover (2) is partially embedded in the shell (1).

4. A reducer convenient to disassemble and maintain according to claim 1, characterized in that: the bolts (6) adopt 12.9-grade high-strength bolts.

5. A reducer convenient to disassemble and maintain according to claim 1, characterized in that: the outer end of the through hole (4) is provided with a countersunk head, and the bolt (6) is an inner hexagon bolt.