Novel motor structure

Abstract

The utility model relates to a novel motor structure, which can realize additional arrangement of an encoder under the condition that the existing brake motor is slightly modified, is convenient to install and can improve the performance of preventing foreign matters from entering, an annular groove is arranged on the outer circle surface of a rear end cover in the brake motor, a hoop is sleeved on the annular groove, and the outer circle surface of the rear end cover is provided with an annular groove. A plurality of hoop lugs are arranged on the outer circle face of a cylinder in the hoop, the hoop is fixedly installed on the rear end cover through screws after the screw through holes are communicated with the corresponding threaded holes in a one-to-one mode, a motor rear shaft through hole is formed in the front face of the encoder installation plate, and a plurality of installation plate lugs are arranged on the outer circle face of the encoder installation plate. The encoder mounting plate is fixedly mounted on the rear side of the hoop through a supporting rod and a bolt after the mounting plate lug through holes communicate with the corresponding hoop lug through holes, and an encoder is mounted on the outer side face of the encoder mounting plate through an encoder support. The novel motor structure has the advantages that the encoder can be additionally arranged only under the condition that an existing brake motor is slightly changed.

Description

Technical Field

[0001] The utility model belongs to the field of motor manufacturing, and specifically relates to a new motor structure. Background Art

[0002] The prior patent CN 207542936 U owned by the parent company of the applicant's holding company, entitled "An integrated brake motor", includes a motor body, in which a brake is installed on the outer side of the rear end cover of the motor in the motor body by screws, and an insulating plate is provided between the brake and the rear end cover of the motor, a shaft retaining ring is provided on the power output shaft in the motor body, and the shaft retaining ring is located on the outer side of the front end cover of the motor, and a plurality of reinforcing ribs are provided on the inner side of the rear end cover of the motor. The insulating plate is made of epoxy resin. A group of heat sinks are respectively provided on the two side faces and the lower end face of the motor body. This integrated brake motor has been widely praised by users since its development and production in 2017. However, some users have also put forward new requirements during use. Users require that the brake motor can be equipped with an encoder to meet the use needs. According to the requirements of users, the applicant has made innovative designs based on the existing brake motors to meet user needs. Utility Model Content

[0003] Design purpose: In order to avoid the shortcomings of the background technology, a new motor structure is designed that only requires minor changes to the existing brake motor to add an encoder, is easy to install, and can improve the performance of blocking foreign matter from entering.

[0004] Design plan: To achieve the above design objectives.

[0005] 1. An annular groove is provided on the outer circumferential surface of the rear end cover in the brake motor, and the annular groove extends outward and passes through the outer side surface of the rear end cover, a plurality of threaded holes are provided on the groove bottom surface of the annular groove, and a clamp is sleeved on the annular groove, a plurality of clamp lugs are provided on the outer circumferential surface of the cylinder in the clamp, and a clamp lug through hole is provided on the front side of the clamp lug, which passes through the front and back sides of the clamp lug, a plurality of screw through holes are provided on the outer circumferential surface of the cylinder in the clamp, and the screw through holes pass through the outer circumferential surface and the inner circumferential surface of the cylinder, and the clamp is fixedly installed on the rear end cover by screws after the screw through holes are connected one by one with the corresponding threaded holes, and a motor rear shaft through hole is provided on the front side of the encoder mounting plate, and the motor rear shaft through hole is provided on the front side of the encoder mounting plate. The center of the hole coincides with the center of the circle of the encoder mounting plate, and a plurality of mounting plate lugs are provided on the outer circumferential surface of the encoder mounting plate, and a mounting plate lug through-hole penetrating the front of the mounting plate lug is provided, which passes through the front and back sides of the mounting plate lug. After the mounting plate lug through-holes and the corresponding clamp lug through-holes are connected one by one, the encoder mounting plate is fixedly installed on the rear side of the clamp by support rods and bolts, and the encoder mounting plate is located on the outside of the motor fan blade, the motor rear shaft passes through the motor rear shaft through-hole and the end of the motor rear shaft extends out of the outer side of the encoder mounting plate, the outer side of the encoder mounting plate is equipped with an encoder through an encoder bracket, and the rotating shaft of the encoder is fixedly connected to the motor rear shaft through a coupling, which is one of the technical features of the utility model.The purpose of such design is that: an annular groove is provided on the outer circumference of the rear end cover in the brake motor, and the annular groove extends outwardly through the outer side surface of the rear end cover, a plurality of threaded holes are provided on the groove bottom surface of the annular groove, and a clamp is sleeved on the annular groove, a plurality of clamp lugs are provided on the outer circumference of the barrel in the clamp, and a clamp lug through hole is provided on the front of the clamp lug, which passes through the front and back sides of the clamp lug, a plurality of screw through holes are provided on the outer circumference of the barrel in the clamp, and the screw through holes pass through the outer circumference and inner circumference of the barrel, and the clamp is provided between the screw through holes and the corresponding threaded holes. The holes are connected one by one and are fixedly installed on the rear end cover by screws. The front side of the encoder mounting plate is provided with a motor rear shaft through hole that passes through the front and back sides of the encoder mounting plate, and the hole center of the motor rear shaft through hole coincides with the circle center of the encoder mounting plate. A plurality of mounting plate lugs are provided on the outer circumferential surface of the encoder mounting plate, and a mounting plate lug through hole that passes through the front and back sides of the mounting plate lug is provided on the front side of the mounting plate lug. The encoder mounting plate is fixedly installed on the rear side of the hoop by support rods and bolts after the mounting plate lug through holes and the corresponding hoop lug through holes are connected one by one. The encoder mounting plate is located at The outer side of the motor fan blade, the motor rear shaft passes through the motor rear shaft through hole and the end of the motor rear shaft extends out of the outer side of the encoder mounting plate, the outer side of the encoder mounting plate is installed with an encoder through an encoder bracket and the rotating shaft of the encoder is fixedly connected to the motor rear shaft through a coupling, that is, a clamp is added to the rear end cover of the existing motor as the base of the encoder mounting plate and the encoder mounting plate is connected through a support rod, and then the encoder is mounted on the encoder mounting plate through the encoder bracket, and the rotating shaft of the encoder is fixedly connected to the motor rear shaft through a coupling, so that the encoder is added while making minor changes to the existing brake motor (the first change is to open an annular groove on the outer circumferential surface of the rear end cover, and to open multiple threaded holes on the groove bottom surface of the annular groove to facilitate the fixed installation of the clamp; the second change is to increase the length of the motor hood to cover the encoder); in addition, the encoder mounting frame composed of the clamp, multiple support rods and the encoder mounting plate is not only simple in structure, but also easy to install, which not only improves the production efficiency of a new motor structure, but also reduces the production cost of a new motor structure.

[0006] 2. The outer side of the rear end cover is provided with a motor hood, and the hoop, brake, fan blade, encoder mounting plate and encoder are all located inside the motor hood, which is the second technical feature of the utility model. The purpose of this design is that the outer side of the rear end cover is provided with a motor hood, and the hoop, brake, fan blade, encoder mounting plate and encoder are all located inside the motor hood, so that the motor hood can also protect the encoder.

[0007] 3. The two side ends of the support rod are respectively provided with a screw hole, and the screw hole at one end of the support rod is connected with the corresponding through hole of the hoop lug, and the screw hole at the other end of the support rod is connected with the corresponding through hole of the mounting plate lug, and then two bolts are used to fix it. This is the third technical feature of the utility model. The purpose of this design is that: the two side ends of the support rod are respectively provided with a screw hole, and the screw hole at one end of the support rod is connected with the corresponding through hole of the hoop lug, and the screw hole at the other end of the support rod is connected with the corresponding through hole of the mounting plate lug, and then two bolts are used to fix it. The support rod structure of this structure is simple and easy to install.

[0008] 4. The design that the outer side of the encoder mounting plate is provided with a plurality of ventilation holes and the ventilation holes penetrate the front and back sides of the encoder mounting plate is the fourth technical feature of the utility model. The purpose of such design is that the outer side of the encoder mounting plate is provided with a plurality of ventilation holes and the ventilation holes penetrate the front and back sides of the encoder mounting plate. The arrangement of the ventilation holes can expand the ventilation volume, so that the encoder mounting plate and the motor wind cover form a double wind cover structure, thereby improving the effect of a new motor structure in blocking foreign matter from entering.

[0009] Technical solution: A new type of motor structure includes a brake motor, wherein an annular groove is provided on the outer circumferential surface of the rear end cover of the brake motor, and the annular groove extends outwardly through the outer side surface of the rear end cover, a plurality of threaded holes are provided on the groove bottom surface of the annular groove, and a clamp is mounted on the annular groove, a plurality of clamp lugs are provided on the outer circumferential surface of the cylinder in the clamp, and a clamp lug through hole is provided on the front side of the clamp lug, which passes through the front and back sides of the clamp lug, a plurality of screw through holes are provided on the outer circumferential surface of the cylinder in the clamp, and the screw through holes pass through the outer circumferential surface and the inner circumferential surface of the cylinder, and the clamp is fixedly installed on the rear end cover by screws after the screw through holes are connected one by one with the corresponding threaded holes, and a screw hole is provided on the front side of the encoder mounting plate, which passes through the front side of the encoder mounting plate The motor rear shaft through holes on the back sides and the hole center of the motor rear shaft through holes coincide with the center of the encoder mounting plate, a plurality of mounting plate lugs are arranged on the outer circumferential surface of the encoder mounting plate and a mounting plate lug through hole is arranged on the front side of the mounting plate lug, which passes through the front and back sides of the mounting plate lugs. The encoder mounting plate is fixedly mounted on the rear side of the clamp by supporting rods and bolts after the mounting plate lug through holes and the corresponding clamp lug through holes are connected one by one. The encoder mounting plate is located on the outside of the motor fan blade, the motor rear shaft passes through the motor rear shaft through hole and the end of the motor rear shaft extends out of the outer side of the encoder mounting plate, the outer side of the encoder mounting plate is equipped with an encoder through an encoder bracket, and the rotating shaft of the encoder is fixedly connected to the motor rear shaft through a coupling.

[0010] Compared with the background technology, the utility model has the following advantages: firstly, a new motor structure is provided, and an encoder can be added only by making minor changes to the existing brake motor; secondly, the new motor structure is not only easy to install, but also has a better effect in preventing foreign matter from entering. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a cross-sectional structural schematic diagram of a new type of motor structure.

[0012] Figure 2 It is a structural diagram of the assembly of the clamp, support rod and encoder mounting plate.

[0013] Figure 3 It is a structural diagram of the clamp.

[0014] Figure 4 It is a structural diagram of the encoder mounting plate. DETAILED DESCRIPTION

[0015] Example 1: Refer to the attached Figure 1-Figure 4 A novel motor structure comprises a brake motor 1, wherein an annular groove 3 is provided on the outer circumferential surface of the rear end cover 2 in the brake motor 1, and the annular groove 3 extends outwardly through the outer side surface of the rear end cover 2, a plurality of threaded holes are provided on the groove bottom surface of the annular groove 3, and a clamp 4 is sleeved on the annular groove 3, a plurality of clamp lugs 5 are provided on the outer circumferential surface of the cylinder in the clamp 4, and a clamp lug through hole 6 penetrating the front and back sides of the clamp lug 5 is provided on the front side of the clamp lug 5, a plurality of screw through holes 7 are provided on the outer circumferential surface of the cylinder in the clamp 4, and the screw through holes 7 penetrate the outer circumferential surface and the inner circumferential surface of the cylinder, and the clamp 4 is fixedly mounted on the rear end cover 2 by screws after the screw through holes 7 are connected one by one with the corresponding threaded holes, and a motor rear shaft through hole 9 penetrating the front and back sides of the encoder mounting plate 8 is provided on the front side of the encoder mounting plate 8, and The hole center of the motor rear shaft through hole 9 coincides with the center of the encoder mounting plate 8, and a plurality of mounting plate lugs 10 are provided on the outer circumferential surface of the encoder mounting plate 8, and a mounting plate lug through hole 11 that passes through the front and back sides of the mounting plate lug 10 is provided on the front of the mounting plate lug 10. The encoder mounting plate 8 is fixedly mounted on the rear side of the clamp 4 by support rods 12 and bolts 13 after the mounting plate lug through holes 11 are connected one by one with the corresponding clamp lug through holes 6, and the encoder mounting plate 8 is located on the outside of the motor fan blade 14, the motor rear shaft 15 passes through the motor rear shaft through hole 9, and the end of the motor rear shaft 15 extends out of the outer side of the encoder mounting plate 8, and the outer side of the encoder mounting plate 8 is installed with an encoder 17 through an encoder bracket 16, and the rotating shaft of the encoder 17 is fixedly connected to the motor rear shaft 15 through a coupling 18.

[0016] The outer side of the rear end cover 2 is provided with a motor hood 19, and the clamp 4, the brake 20, the fan blade 14, the encoder mounting plate 8 and the encoder 17 are all located in the motor hood 19. A screw hole 21 is respectively provided at the two end heads of the support rod 12. After the screw hole 21 at one end of the support rod 12 is aligned with the corresponding clamp lug through hole 6 and the screw hole 21 at the other end of the support rod 12 is aligned with the corresponding mounting plate lug through hole 11, it is fixed by two bolts 13. The outer side surface of the encoder mounting plate 8 is provided with a plurality of screw holes 22 for installing the encoder bracket 16. The outer side surface of the encoder mounting plate 8 is provided with a plurality of ventilation holes 23, and the ventilation holes 23 pass through the front and back sides of the encoder mounting plate 8. The provision of the ventilation holes 23 can expand the ventilation volume.

[0017] It should be understood that although the above embodiments provide a relatively detailed textual description of the design concept of the present utility model, these textual descriptions are only simple textual descriptions of the design concept of the present utility model, rather than limitations on the design concept of the present utility model. Any combination, addition or modification that does not exceed the design concept of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A novel motor structure, comprising a brake motor (1), characterized in that: The rear end cover (2) in the brake motor (1) is provided with an annular groove (3) on its outer circumferential surface, and the annular groove (3) extends outwardly through the outer side surface of the rear end cover (2); the groove bottom surface of the annular groove (3) is provided with a plurality of threaded holes, and a clamp (4) is sleeved on the annular groove (3); the outer circumferential surface of the cylinder in the clamp (4) is provided with a plurality of clamp lugs (5), and the front surface of the clamp lug (5) is provided with a clamp lug through hole (6) that passes through the front and back sides of the clamp lug (5); the outer circumferential surface of the cylinder in the clamp (4) is provided with a plurality of screw through holes (7), and the screw through holes (7) pass through the outer circumferential surface and the inner circumferential surface of the cylinder; the clamp (4) is fixedly mounted on the rear end cover (2) by screws after the screw through holes (7) and the corresponding threaded holes are connected one by one; the front surface of the encoder mounting plate (8) is provided with a motor rear shaft through hole (9) that passes through the front and back sides of the encoder mounting plate (8), and the hole of the motor rear shaft through hole (9) The center of the encoder mounting plate (8) coincides with the center of a circle of the encoder mounting plate (8); a plurality of mounting plate lugs (10) are provided on the outer circumferential surface of the encoder mounting plate (8); and a mounting plate lug through hole (11) penetrating through both the front and back sides of the mounting plate lug (10) is provided on the front side of the mounting plate lug; the encoder mounting plate (8) is fixedly mounted on the rear side of the clamp (4) through a support rod (12) and a bolt (13) after the mounting plate lug through holes (11) are connected to the corresponding clamp lug through holes (6) one by one; and the encoder mounting plate (8) is located on the outside of the motor fan blade (14); the motor rear shaft (15) passes through the motor rear shaft through hole (9) and the end of the motor rear shaft (15) protrudes out of the outer side surface of the encoder mounting plate (8); an encoder (17) is mounted on the outer side surface of the encoder mounting plate (8) through an encoder bracket (16); and the rotating shaft of the encoder (17) is fixedly connected to the motor rear shaft (15) through a coupling (18).

2. A novel motor structure according to claim 1, characterized in that: A motor wind shield (19) is provided on the outer side of the rear end cover (2), and the clamp (4), the brake (20), the fan blade (14), the encoder mounting plate (8) and the encoder (17) are all located inside the motor wind shield (19).

3. A novel motor structure according to claim 1 or 2, characterized in that: The two side ends of the support rod (12) are respectively provided with a screw hole (21), and the screw hole (21) at one end of the support rod (12) is aligned with the corresponding hoop lug through hole (6), and the screw hole (21) at the other end of the support rod (12) is aligned with the corresponding mounting plate lug through hole (11), and then fixed by two bolts (13).

4. A novel motor structure according to claim 1, 2 or 3, characterized in that: The outer side surface of the encoder mounting plate (8) is provided with a plurality of screw holes (22) for mounting the encoder bracket (16).

5. A novel motor structure according to claim 1 or 2 or 3 or 4, characterized in that: The outer side surface of the encoder mounting plate (8) is provided with a plurality of ventilation holes (23), and the ventilation holes (23) penetrate the front and back sides of the encoder mounting plate (8).

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