CN220151848U - Speed reducer convenient for internal maintenance - Google Patents

Abstract

The utility model belongs to the technical field of speed reducers, and particularly relates to a speed reducer convenient for internal maintenance. According to the utility model, the fixed sleeve fixed through the fixed rod is arranged in the rear cover, the rotating shaft is arranged in the fixed sleeve through the bearing, the impeller is fixed at one end of the rotating shaft, the square block is fixed at the other end of the rotating shaft, and the square block can be clamped into the tail end of the rotor shaft of the speed reducer main body, so that the rotor shaft can be utilized to drive the impeller to rotate, heat in the shell of the speed reducer main body can be discharged, heat dissipation is facilitated, a cooling fan is not required to be additionally used, and the speed reducer is energy-saving and environment-friendly and practical.

Description

Speed reducer convenient for internal maintenance

Technical Field

The utility model relates to the technical field of speed reducers, in particular to a speed reducer convenient for internal maintenance.

Background

The speed reducer is a device for transmitting power, and the principle is that the speed converter assembled by different sizes and different moduli of gears is utilized to reduce the revolution number of a motor to the required revolution number at will, and a transmission mechanism with larger torque than before is obtained, and the speed reducer is divided into a gear speed reducer, a helical gear speed reducer, a worm gear speed reducer, a bevel gear speed reducer, a planetary gear speed reducer, a cycloidal pin gear speed reducer, a worm gear speed reducer and the like. The utility model patent with the bulletin number of CN213361026U discloses a speed reducer convenient for internal maintenance, which comprises a speed reducer main body, wherein a shell is arranged on the outer side of the speed reducer main body, a rear cover plate is arranged on the rear side of the shell, a clamping block I is fixedly arranged at one end, close to the rear cover plate, of the shell, a clamping block II is fixedly arranged at one end, close to the shell, of the rear cover plate, and a clamping groove I is formed in the clamping block I; this speed reducer convenient to inside maintenance is provided with two annular fixture blocks between casing and the back shroud and carries out the block, and annular fixture block is fixed through the dead lever of inside, and outside removal dead lever can be to the fixture block unblock, resets the dead lever through the spring, easy operation, and it is convenient to dismantle, and the inside of back shroud is provided with heat abstractor, and the heat that produces after using a period can be absorbed by the fin, and radiator fan is inhaled inside cooling to the fin with natural wind, has improved speed reducer's radiating efficiency, prevents that inside high temperature from leading to the component to appear damaging. However, the above patent suffers from the following disadvantages: the additional electric power is needed to start the cooling fan to dissipate heat, so that the energy consumption is high and the practicability is poor. Therefore, improvements are needed.

Disclosure of Invention

The utility model aims to provide a speed reducer convenient for internal maintenance, and solves the problems that the existing speed reducer needs additional electric power to start a cooling fan to dissipate heat, and is high in energy consumption and poor in practicability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a speed reducer convenient to inside maintenance, includes the speed reducer main part, be provided with the rotor shaft in the speed reducer main part, the tail end contact of speed reducer main part has the back lid, back cover fixedly connected with plug bush, the plug bush with speed reducer main part sliding connection, the inboard fixedly connected with dead lever of back lid, fixedly connected with fixed cover on the dead lever, install the pivot through the bearing in the fixed cover, the one end fixedly connected with square of pivot, square with rotor shaft joint, the other end fixedly connected with impeller of pivot, sliding connection has the bayonet lock in the plug bush, the bayonet lock with speed reducer main part sliding connection, be provided with the spring in the plug bush, sliding connection has the knock pin in the speed reducer main part, the knock pin with the bayonet lock contacts, fixedly connected with presses the briquetting on the knock pin.

Preferably, the surface contact of back lid has the filter screen, fixedly connected with plug and pull ring on the filter screen, the plug with back lid joint. Through the design of filter screen for the organism has certain dustproof effect when not using.

Preferably, one end of the spring is fixedly connected with the bayonet lock, and the other end of the spring is fixedly connected with the inner surface of the plug bush. Through the design of spring, have the effect of supplementary reduction to the bayonet lock.

Preferably, the pressing block is fixedly connected with a stroke block, and the stroke block and the pressing block are of an integrated structure. The stroke of the pressing block and the ejector pin can be controlled through the design of the stroke block.

Preferably, the pressing block is fixedly connected with a corrugated sleeve, and the corrugated sleeve is fixedly connected with the outer surface of the speed reducer main body. Through the design of ripple cover, have spacing effect to pressing block.

Preferably, the rear cover is fixedly connected with a positioning pin, and the positioning pin is in sliding connection with the speed reducer main body. Through the design of locating pin, have the locate function to the laminating of back lid in the speed reducer main part.

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

1. according to the utility model, the plug bush is arranged on the rear cover of the speed reducer body, the plug bush is inserted into the shell of the speed reducer body, then the bayonet lock which stretches out and draws back through the spring is arranged in the plug bush, and the slidable ejector pin is arranged in the shell of the speed reducer body, so that the bayonet lock can be contacted with the ejector pin after entering the shell of the speed reducer body, and the rear cover can be detached only by pushing the bayonet lock out of the shell of the speed reducer body through the ejector pin, thereby facilitating the maintenance of the inside of the speed reducer body.

2. According to the utility model, the fixed sleeve fixed through the fixed rod is arranged in the rear cover, the rotating shaft is arranged in the fixed sleeve through the bearing, the impeller is fixed at one end of the rotating shaft, the square block is fixed at the other end of the rotating shaft, and the square block can be clamped into the tail end of the rotor shaft of the speed reducer main body, so that the rotor shaft can be utilized to drive the impeller to rotate, heat in the shell of the speed reducer main body can be discharged, heat dissipation is facilitated, a cooling fan is not required to be additionally used, and the speed reducer is energy-saving and environment-friendly and practical.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of the partial structure of FIG. 1 of the present utility model;

fig. 3 is an enlarged view of the structure of the portion a of fig. 2 according to the present utility model.

In the figure: 1. a speed reducer main body; 2. a rotor shaft; 3. a rear cover; 4. a plug bush; 5. a fixed rod; 6. a fixed sleeve; 7. a rotating shaft; 8. a square block; 9. an impeller; 10. a filter screen; 11. a rubber plug; 12. a pull ring; 13. a bayonet lock; 14. a spring; 15. a knock pin; 16. pressing the blocks; 17. a travel block; 18. a corrugated sleeve; 19. and (5) positioning pins.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, a speed reducer convenient for internal maintenance comprises a speed reducer main body 1, a rotor shaft 2 is arranged in the speed reducer main body 1, a rear cover 3 is contacted with the tail end of the speed reducer main body 1, a positioning pin 19 is fixedly connected to the rear cover 3, the positioning pin 19 is in sliding connection with the speed reducer main body 1, the rear cover 3 is provided with a positioning function in the fit of the speed reducer main body 1 through the design of the positioning pin 19, an insert sleeve 4 is fixedly connected to the rear cover 3, the insert sleeve 4 is in sliding connection with the speed reducer main body 1, a fixing rod 5 is fixedly connected to the fixing sleeve 6, a rotating shaft 7 is arranged in the fixing sleeve 6 through a bearing, one end of the rotating shaft 7 is fixedly connected with a square 8, the square 8 is clamped with the rotor shaft 2, the other end of the rotating shaft 7 is fixedly connected with an impeller 9, the surface of the rear cover 3 is contacted with a filter screen 10, a rubber plug 11 and a pull ring 12 are fixedly connected to the filter screen 10, and the rubber plug 11 is clamped with the rear cover 3 through the design of the filter screen 10, so that the machine body has a certain dustproof function when not in use.

Referring to fig. 2 and 3, a bayonet lock 13 is slidably connected in the socket 4, the bayonet lock 13 is slidably connected with the speed reducer body 1, a spring 14 is provided in the socket 4, one end of the spring 14 is fixedly connected with the bayonet lock 13, the other end of the spring 14 is fixedly connected with the inner surface of the socket 4, the bayonet lock 13 is provided with an auxiliary resetting function through the design of the spring 14, a top pin 15 is slidably connected in the speed reducer body 1, the top pin 15 is in contact with the bayonet lock 13, a pressing block 16 is fixedly connected on the top pin 15, a stroke block 17 is fixedly connected on the pressing block 16, the stroke block 17 and the pressing block 16 are in an integrated structure, the stroke of the pressing block 16 and the top pin 15 can be controlled through the design of the stroke block 17, a corrugated sleeve 18 is fixedly connected on the pressing block 16, and the corrugated sleeve 18 is fixedly connected with the outer surface of the speed reducer body 1, and has a limiting function on the pressing block 16 through the design of the corrugated sleeve 18.

The specific implementation process of the utility model is as follows: when the speed reducer is used, the rotor shaft 2 of the speed reducer body 1 normally rotates, the rotating shaft 7 is driven to rotate through the square 8, the rotating shaft 7 drives the impeller 9 to rotate, the impeller 9 discharges heat in the shell of the speed reducer body 1, the heat is conveniently dissipated, a cooling fan is not needed to be additionally used, the speed reducer is practical, in addition, if the speed reducer is detached at the later stage, the inside of the speed reducer body 1 is overhauled, only the pressing block 16 is needed to be pressed, the pressing block 16 pushes the ejector pin 15, the ejector pin 15 pushes the bayonet pin 13 out of the shell of the speed reducer body 1, and the bayonet pin 13 slides into the plug bush 4, so that the limit on the rear cover 3 is relieved, the rear cover 3 can be opened later, and the inside of the speed reducer body 1 is overhauled simply and conveniently.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a speed reducer convenient to inside maintenance, includes speed reducer main part (1), its characterized in that: be provided with rotor shaft (2) in speed reducer main part (1), the tail end contact of speed reducer main part (1) has back lid (3), fixedly connected with plug bush (4) on back lid (3), plug bush (4) with speed reducer main part (1) sliding connection, the inboard fixedly connected with dead lever (5) of back lid (3), fixedly connected with fixed sleeve (6) on dead lever (5), install pivot (7) through the bearing in fixed sleeve (6), the one end fixedly connected with square (8) of pivot (7), square (8) with rotor shaft (2) joint, the other end fixedly connected with impeller (9) of pivot (7), plug bush (4) sliding connection has bayonet lock (13), bayonet lock (13) with speed reducer main part (1) sliding connection, be provided with spring (14) in plug bush (4), be connected with knock pin (15) in speed reducer main part (1) sliding connection, knock pin (15) with on knock pin (15) are pressed fixed connection (16).

2. A speed reducer for facilitating internal maintenance according to claim 1, wherein: the surface contact of back lid (3) has filter screen (10), fixedly connected with plug (11) and pull ring (12) on filter screen (10), plug (11) with back lid (3) joint.

3. A speed reducer for facilitating internal maintenance according to claim 1, wherein: one end of the spring (14) is fixedly connected with the bayonet lock (13), and the other end of the spring (14) is fixedly connected with the inner surface of the plug bush (4).

4. A speed reducer for facilitating internal maintenance according to claim 1, wherein: the pressing block (16) is fixedly connected with a stroke block (17), and the stroke block (17) and the pressing block (16) are of an integrated structure.

5. A speed reducer for facilitating internal maintenance according to claim 1, wherein: the pressing block (16) is fixedly connected with a corrugated sleeve (18), and the corrugated sleeve (18) is fixedly connected with the outer surface of the speed reducer main body (1).

6. A speed reducer for facilitating internal maintenance according to claim 1, wherein: and the rear cover (3) is fixedly connected with a positioning pin (19), and the positioning pin (19) is in sliding connection with the speed reducer main body (1).