CN214177083U - Assembly structure of motor - Google Patents

Abstract

The utility model provides an assembly structure of motor belongs to motor and gear box assembly technical field. The speed reduction motor solves the problems that the existing speed reduction motor and the existing speed reduction box are inconvenient to assemble and disassemble and maintain. This assembly structure of motor, be provided with the motor spindle in the motor main part, the motor spindle stretches into in the gear box, the middle part position of the left end of motor main part has the annular arch that the axial evagination set up, be provided with the axial cover that the axial evagination set up on the gear box, the annular arch of motor main part and the axial cover of gear box are to axial assembly relatively, this motor spindle passes in the annular arch from the annular arch and extends to in the gear box, be provided with between annular arch and the axial cover and prevent annular arch, the axial cover axial limit structure who shifts in opposite directions. The utility model discloses motor main part and gear box convenient assembling dismantle easy maintenance, long service life.

Description

Assembly structure of motor

Technical Field

The utility model belongs to the technical field of motor and gear box assembly, a assembly structure of motor is related to.

Background

In daily production and processing engineering, mechanical equipment can often use the motor as the driving source, and the motor uses and convenient operation, can satisfy various operation needs, and work efficiency is high, the environmental protection, and the cost is lower, and wherein gear motor's application is comparatively extensive, and gear motor includes motor and reduction gear, mainly reduces the rotational speed of motor output shaft through the reduction gear to satisfy the needs of different processing.

The general gear motor in the existing market includes the gearbox body, for example chinese patent number is: 201520753822.7 the speed reducing motor comprises a motor and a reduction gearbox, the reduction gearbox is arranged in front of the motor, an output shaft parallel to the motor rotor is arranged in the reduction gearbox, a driving gear is arranged on the motor rotor, a driven gear is arranged on the output shaft, the driving gear is meshed with the driven gear, through holes are arranged on two opposite sides of the reduction gearbox, the output shaft is rotatably connected with the through holes through bearings, a positioning mechanism is arranged on the output shaft and comprises a positioning ring groove and a positioning ring piece, the positioning ring piece is sleeved in the positioning ring groove, and the positioning ring piece is abutted against the bearings.

In the structure, the transmission connection of the rotor of the motor and the output shaft of the reduction gearbox is arranged in the reduction gearbox, so that the disassembly and the maintenance are inconvenient; the motor and the reduction gearbox are axially connected through the bolt, when the motor works and shakes, the bolt is easily loosened, and the service life is short.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, motor main part and gear box convenient assembling, assembly structure is stable, long service life's assembly structure of motor.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an assembly structure of motor, includes motor main part and gear box, motor main part on be provided with motor spindle, motor spindle stretch into in the gear box, its characterized in that, motor main part's the middle part position of left end annular arch that has the setting of axial evagination, the gear box on be provided with the axial cover that the axial evagination set up, motor main part's annular arch and gear box's axial cover be to axial assembly relatively, this motor spindle passes in the annular arch and extends to the gear box in, annular arch and axial cover between be provided with the limit structure who prevents annular arch, axial cover axial displacement relatively.

The assembly structure of the motor mainly comprises an annular protrusion arranged at the left end of a motor main body, an axial sleeve arranged on a gear box, and a limit structure arranged between the annular protrusion and the axial sleeve, wherein the annular protrusion and the axial sleeve are assembled directly in the same axial direction.

In the above-mentioned assembly structure of a motor, limit structure include that the axial sheathes circumference interval distribution has the spacer pin that is radial setting, the bellied outer wall of annular on circumference interval distribution have the spacing groove that is radial setting, the spacer pin wear to establish and cause annular arch, axial cover axial to spacing relatively in the corresponding spacing groove, axial cover and corresponding spacer pin between be provided with the spacing assembly structure who prevents the spacer pin radial break away from the axial cover. When actually making, this spacer pin sets up three, and circumference interval evenly distributed sets up the purpose like this and is assembled between annular arch and axial cover through the radial spacing of spacer pin, and spacing atress is even, stable in structure.

In the assembly structure of foretell motor, spacing assembly structure including the tight cover that expands, the spacer pin on the spiral link firmly the spacing ring, the outer wall of axial cover on have the assembly groove that is radial setting, the spacer pin run through from the tank bottom of assembly groove, the spacing ring be located the assembly groove, the tight cover axial assembly of expanding in the notch of assembly groove, the spacer pin cover that is located the assembly groove is equipped with compression spring, support through compression spring elasticity between this spacing ring and the tight cover that expands and lean on the cooperation. The limiting pin is adjusted in a reciprocating displacement mode in the axial direction of the limiting pin in the assembling groove of the axial sleeve through the compression spring, and when the limiting pin is adjusted in an outward displacement mode, the limiting pin can be separated from the limiting groove with the annular protrusion, limiting is relieved, and use is convenient.

In the above-mentioned assembly structure of a motor, the outer section of spacer pin be smooth wall section, the inner section of spacer pin be the external screw thread section, the inner wall of spacing ring on be provided with the internal thread, the spacing ring pass through the mode of spiral and connect on the inner section of spacer pin. The purpose of setting up like this is the cooperation of pegging graft of the outer section of convenient spacer pin and the bellied spacing groove of annular.

In the assembly structure of the motor, the expansion sleeve is of a cylindrical structure, the expansion sleeve is provided with a split interval which axially penetrates through the expansion sleeve, and the outer wall of the expansion sleeve is fixedly connected with the rubber layer in a vulcanization mode. The purpose of setting up like this can effectively improve the tight stability of expanding of the tight cover at the mounting groove of axial cover.

In the above assembly structure of the motor, the outer end of the limit pin has a head portion, the head portion is an eccentric circular portion with an arc flat structure, and the head portion of the limit pin is in close fit with the outer wall of the axial sleeve. The purpose of this arrangement is to make the stop pin and the axial sleeve fit compactly.

In the assembly structure of foretell motor, the edge of bellied outer end terminal surface of annular corner chamfer handle, the edge of the bellied outer end terminal surface of this annular has linked firmly the rubber ring through the mode of vulcanizing, this annular is protruding to lean on the cooperation through rubber ring and axial cover. This is provided to facilitate the relative axial assembly of the annular projection and the axial sleeve.

Compared with the prior art, the assembly structure of the motor has the advantages that: structural design is reasonable, simple, and motor main part and gear box convenient assembling dismantle easy maintenance, and when motor main part work trembled, motor main part and gear box also are difficult not hard up, firm in connection, assembly structure is stable, long service life.

Drawings

Fig. 1 is a partial sectional structural schematic view of the assembling structure of the present motor.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure, 1, a motor main body; 2. a gear case; 3. a motor spindle; 4. an annular projection; 5. an axial sleeve; 6. a spacing pin; 7. expanding and tightening the sleeve; 8. a limiting ring; 9. a compression spring; 10. a rubber layer; 11. a head portion; 12. a rubber ring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the assembling structure of the motor mainly comprises a motor main body 1 and a gear box 2, a motor main shaft 3 is arranged on the motor main body 1, the motor main shaft 3 extends into the gear box 2, an annular protrusion 4 which is axially protruded outwards is arranged in the middle of the left end of the motor main body 1, an axial sleeve 5 which is axially protruded outwards is arranged on the gear box 2, the annular protrusion 4 of the motor main body 1 and the axial sleeve 5 of the gear box 2 are axially assembled relatively, the motor main shaft 3 penetrates through the annular protrusion 4 and extends into the gear box 2, and a limiting structure which prevents the annular protrusion 4 and the axial sleeve 5 from axially moving relatively is arranged between the annular protrusion 4 and the axial sleeve 5.

During actual manufacturing, the specific implementation mode of the limiting structure is as follows: the axial sleeve 5 is circumferentially and alternately distributed with radially arranged limiting pins 6, the outer wall of the annular bulge 4 is circumferentially and alternately distributed with radially arranged limiting grooves, the limiting pins 6 penetrate through the corresponding limiting grooves to enable the annular bulge 4 and the axial sleeve 5 to be axially and relatively limited, and a limiting assembly structure for preventing the limiting pins 6 from radially separating from the axial sleeve 5 is arranged between the axial sleeve 5 and the corresponding limiting pins 6; specifically, the specific implementation mode of the limiting assembly structure is as follows: the anti-theft device mainly comprises an expansion sleeve 7, wherein a limit ring 8 is spirally and fixedly connected to a limit pin 6, an assembly groove which is radially arranged is formed in the outer wall of an axial sleeve 5, the limit pin 6 penetrates through the bottom of the assembly groove, the limit ring 8 is positioned in the assembly groove, the expansion sleeve 7 is axially assembled in a notch of the assembly groove, a compression spring 9 is sleeved on the limit pin 6 positioned in the assembly groove, and the limit ring 8 and the expansion sleeve 7 are elastically abutted and matched through the compression spring 9; in actual manufacturing, the outer section of the limit pin 6 is a smooth wall section, the inner section of the limit pin 6 is an external thread section, internal threads are arranged on the inner wall of the limit ring 8, and the limit ring 8 is connected to the inner section of the limit pin 6 in a spiral mode.

During actual manufacturing, the expansion sleeve 7 is of a cylindrical structure, the expansion sleeve 7 is provided with splitting intervals which are axially arranged in a penetrating manner, and the outer wall of the expansion sleeve 7 is fixedly connected with the rubber layer 10 in a vulcanization manner; the outer end of the limit pin 6 is provided with a head part 11, the head part 11 is an eccentric circle part with an arc flat structure, and the head part 11 of the limit pin 6 is in close fit with the outer wall of the axial sleeve 5.

During actual manufacturing, the corners of the outer end face of the annular protrusion 4 are subjected to chamfering, the corners of the outer end face of the annular protrusion 4 are fixedly connected with a rubber ring 12 in a vulcanization mode, and the annular protrusion 4 is abutted to match with the axial sleeve 5 through the rubber ring 12.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (7)

1. An assembly structure of a motor comprises a motor main body (1) and a gear box (2), the motor main body (1) is provided with a motor main shaft (3), the motor main shaft (3) extends into the gear box (2), it is characterized in that the middle position of the left end of the motor main body (1) is provided with an annular bulge (4) which is axially and convexly arranged, the gear box (2) is provided with an axial sleeve (5) which is arranged in an axially protruding way, the annular bulge (4) of the motor main body (1) and the axial sleeve (5) of the gear box (2) are assembled in the opposite axial direction, the motor main shaft (3) passes through the annular bulge (4) and extends into the gear box (2), and a limiting structure for preventing the annular bulge (4) and the axial sleeve (5) from axially moving oppositely is arranged between the annular bulge (4) and the axial sleeve (5).

2. The assembly structure of the motor according to claim 1, wherein the limiting structure comprises a radially-arranged limiting pin (6) circumferentially distributed on the axial sleeve (5) at intervals, a radially-arranged limiting groove circumferentially distributed on the outer wall of the annular protrusion (4), the limiting pin (6) penetrates through the corresponding limiting groove to enable the annular protrusion (4) and the axial sleeve (5) to be axially and relatively limited, and a limiting assembly structure for preventing the limiting pin (6) from radially separating from the axial sleeve (5) is arranged between the axial sleeve (5) and the corresponding limiting pin (6).

3. The assembly structure of the motor according to claim 2, wherein the limiting assembly structure comprises an expansion sleeve (7), the limiting pin (6) is fixedly connected with a limiting ring (8) in a spiral manner, an assembly groove arranged in a radial manner is formed in the outer wall of the axial sleeve (5), the limiting pin (6) penetrates through the groove bottom of the assembly groove, the limiting ring (8) is located in the assembly groove, the expansion sleeve (7) is axially assembled in the groove opening of the assembly groove, a compression spring (9) is sleeved on the limiting pin (6) located in the assembly groove, and the limiting ring (8) and the expansion sleeve (7) are elastically abutted and matched through the compression spring (9).

4. The assembly structure of the motor according to claim 3, wherein the outer section of the limit pin (6) is a smooth wall section, the inner section of the limit pin (6) is an external thread section, an internal thread is arranged on the inner wall of the limit ring (8), and the limit ring (8) is connected to the inner section of the limit pin (6) in a spiral manner.

5. An assembling structure of a motor according to claim 4, characterized in that the expansion sleeve (7) is a cylindrical structure, the expansion sleeve (7) has split intervals axially penetrating through the expansion sleeve, and the rubber layer (10) is fixedly connected to the outer wall of the expansion sleeve (7) through vulcanization.

6. An assembling structure of a motor according to claim 5, characterized in that the outer end of the limit pin (6) is provided with a head part (11), the head part (11) is an eccentric circle part of an arc flat structure, and the head part (11) of the limit pin (6) is in abutting fit with the outer wall of the axial sleeve (5).

7. An assembling structure of a motor according to claim 6, characterized in that the corners of the outer end faces of the annular protrusions (4) are subjected to chamfering, the rubber ring (12) is fixedly connected to the corners of the outer end faces of the annular protrusions (4) in a vulcanization mode, and the annular protrusions (4) are abutted and matched with the axial sleeves (5) through the rubber ring (12).

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