Motor, encoder and motor assembly

Abstract

The motor assembly comprises the motor and the encoder, the motor comprises a motor shell, a motor shaft located in the motor shell and a fan cover located on one side of the motor shell, the encoder comprises an encoder body, an encoder mounting hole is formed in the encoder body in a protruding mode, and the fan cover is located on the other side of the motor shell. One end face, facing the fan cover, of the motor shaft is coaxially connected with an adapter, the adapter comprises an adapter support and an adapter shaft, the adapter support is connected with the motor shaft, the adapter shaft penetrates through the fan cover and is coaxially connected with the encoder mounting hole, and the adapter shaft is coaxially connected with the fan cover. The encoder further comprises an encoder support connected with the encoder body, the encoder support is arranged on the outer side wall of the encoder installation hole and fixedly connected with the fan cover, and the encoder support is located in the axial space of the encoder body and the fan cover, so that the structure of the encoder is more reasonable, and the encoder is more compact. The connection mode of the encoder body and the fan cover is simpler, and meanwhile, the second fastener can be inserted in the radial direction of the outer side wall arranged in the protruding mode, so that the second fastener can fasten the adapter shaft in the radial direction, and the encoder is installed more stably.

Description

Technical Field

[0001] The utility model relates to the field of motor and encoder installation, in particular to a motor, an encoder and a motor component. Background Art

[0002] With the improvement of motor design capabilities and application scope, the application scenarios of motors are diversified, and the required functions are increasing, which will make the mechanical structure of motors more complex. The development of intelligence has put higher and higher requirements on the accuracy of motor operation control. In order to ensure the accuracy and reliability of motor operation, it is one of the important issues to reasonably install encoders on the motors and improve the motor control performance to improve the motor performance.

[0003] The existing encoder and motor installation methods include installing the encoder through a tapered shaft or integrating the encoder into the rear end cover of the motor. The installation and disassembly process of the encoder is complicated, and the installation method has poor compatibility. If there is a need to install an encoder on a motor without an encoder, the motor structure needs to be re-modified, which takes a long time and is costly. Utility Model Content

[0004] The main purpose of the utility model is to provide a motor, an encoder and a motor assembly, aiming to solve the problems of complex installation methods and poor compatibility of traditional motors and encoders, thereby simplifying the difficulty of installing and disassembling the encoder during motor installation, with higher compatibility, and the installation structure of the encoder and the motor is more reasonable and simple, and the installation method is more stable.

[0005] To achieve the above-mentioned purpose, the utility model proposes a motor assembly, which includes a motor and an encoder, the motor including a motor housing, a motor shaft located in the motor housing, and a fan cover located on one side of the motor housing, the encoder including an encoder body, an encoder mounting hole protruding from the encoder body, an end surface of the motor shaft facing the fan cover is coaxially connected to an adapter, the adapter includes an adapter support and an adapter shaft, the adapter support is connected to the motor shaft, the adapter shaft passes through the fan cover and is coaxially connected to the encoder mounting hole, the encoder also includes an encoder bracket connected to the encoder body, the encoder bracket is arranged on the outer side wall of the encoder mounting hole and is fixedly connected to the fan cover.

[0006] In a specific embodiment, one end of the adapter shaft includes an adapter shaft mating section, and the adapter shaft mating section is inserted into the encoder mounting hole and fixed to the encoder body.

[0007] In a specific embodiment, a fastening through hole is provided on the side wall of the encoder mounting hole, and the motor assembly further includes a second fastener, which passes through the fastening through hole and abuts against the matching section of the adapter shaft.

[0008] In a specific embodiment, the adapter shaft mating section includes a first adapter shaft mating section close to the adapter support and a second adapter shaft mating section away from the adapter support, and a diameter of the first adapter shaft mating section is smaller than a diameter of the second adapter shaft mating section.

[0009] In a specific embodiment, a positioning groove is provided on a side of the adapter support facing the motor shaft, and an end of the motor shaft facing the fan cover is located in the positioning groove.

[0010] In a specific embodiment, the fan cover is provided with a mounting through hole for the adapter shaft to pass through, and the mounting through hole and the adapter shaft are sealedly connected via a sealing member.

[0011] In a specific embodiment, the encoder includes an encoder dust cover covering the encoder body, and the encoder dust cover is connected to the fan cover through a fourth fastener.

[0012] And / or, a sealing gasket is provided between the encoder dust cover and the fan cover, and the fourth fastener fastens the sealing gasket and the encoder dust cover and the fan cover to achieve a sealed connection among the encoder dust cover, the fan cover and the sealing gasket.

[0013] The utility model embodiment also proposes an encoder, which is used to be connected to a motor, wherein the motor includes a motor housing, a motor shaft located in the motor housing, and a fan cover located on one side of the motor housing, the encoder includes an encoder body, the encoder body protruding with an encoder mounting hole, an adapter coaxially connected to an end surface of the motor shaft facing the fan cover, the adapter includes an adapter support and an adapter shaft, the adapter support is connected to the motor shaft, the adapter shaft passes through the fan cover and is coaxially connected to the encoder mounting hole, the encoder also includes an encoder bracket connected to the encoder, the encoder bracket is provided on the outer side wall of the encoder mounting hole and is fixedly connected to the fan cover.

[0014] In a specific embodiment, a fastening through hole is provided on the side wall of the encoder mounting hole, and the encoder further includes a second fastener, and the second fastener passes through the fastening through hole and abuts against the adapter shaft.

[0015] An embodiment of the utility model also proposes a motor, which is used to be connected to an encoder, and the encoder includes an encoder body and an encoder bracket connected to the encoder body, and the encoder body is protrudingly provided with an encoder mounting hole. The motor includes a motor housing, a motor shaft located in the motor housing, and a fan cover located on one side of the motor housing. An adapter is coaxially connected to an end surface of the motor shaft facing the fan cover, and the adapter includes an adapter support and an adapter shaft, the adapter support is connected to the motor shaft, and the adapter shaft passes through the fan cover and is coaxially connected to the encoder mounting hole, wherein the encoder bracket is arranged on the outer side wall of the encoder mounting hole and is fixedly connected to the fan cover.

[0016] The motor, encoder and motor assembly proposed in the technical solution of the utility model solve the installation problem of the motor and the encoder. The motor assembly includes a motor and an encoder with a fan cover. An encoder mounting hole is protruding from the encoder body. The motor shaft and the encoder mounting hole are connected by an adapter that passes through the fan cover. The encoder bracket is arranged on the outer side wall of the encoder mounting hole and is fixedly connected to the fan cover. The encoder bracket is located in the axial space between the encoder body and the fan cover, so that the structure of the encoder is more reasonable, and the connection method between the encoder body and the fan cover is simpler. At the same time, the radial direction of the protruding outer side wall can be inserted with a second fastener, so that the second fastener can fasten the adapter shaft from the radial direction, so that the installation of the encoder is more convenient. The installation is more stable. The installation method in the utility model realizes radial and axial fixation of the encoder and the motor with a fan cover. This installation method is suitable for the installation of the motor and the encoder installed with a fan and a fan cover. All components in the installation structure are installed in a modular manner. The compatibility of the motor and the encoder is relatively high. The motor can be installed with an encoder or not according to needs, and the non-standard modification of the motor is supported. At the same time, this installation method also supports the installation between multiple motors and multiple encoders, with high adaptability and cost saving. Through this structure, the difficulty of installation and disassembly between the motor and the encoder can be simplified, the reliability of the encoder can be improved, the stable operation of the encoder on the motor can be guaranteed, and the accuracy of the motor movement and the accuracy of control can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of a motor assembly in an embodiment of the utility model;

[0019] Figure 2 It is a partial enlarged view of the motor assembly in the embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the adapter in the embodiment of the utility model;

[0021] Figure 4 A schematic diagram of another viewing angle of the adapter in the embodiment of the utility model;

[0022] Figure 5 A schematic diagram of another viewing angle of the adapter in the embodiment of the utility model;

[0023] Figure 6 It is a schematic diagram of the motor shaft in the embodiment of the utility model;

[0024] Figure 7 A schematic diagram of a fan cover in an embodiment of the utility model;

[0025] Figure 8 A schematic diagram of a sealing member in an embodiment of the utility model;

[0026] Fig. 9 It is a schematic diagram of a sealing gasket in an embodiment of the utility model.

[0027] Description of Figure Numbers:

[0028]

[0029]

[0030] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0036] like Figure 1-5 As shown, the embodiment of the utility model proposes a motor assembly 100, the motor assembly 100 includes a motor 100 and an encoder 200, the motor 100 includes a motor housing 10, a motor shaft 20 located in the motor housing 10, a fan 30 is coaxially mounted on the motor shaft 20, a fan cover 40 is located on one side of the motor housing 10 and is used to cover the fan 30, the encoder 200 includes an encoder body 21, an encoder mounting hole 210 is protrudingly provided on the encoder body 21, an end surface of the motor shaft 20 facing the fan cover 40 is coaxially connected to an adapter 300, the adapter 300 includes an adapter support 31 and an adapter shaft 32 extending along the axial direction of the motor 100 on the adapter support 31, the adapter support 31 is coaxially connected to the motor shaft 20, the adapter shaft 32 is coaxially connected to the encoder mounting hole 210, the encoder also includes an encoder mounting bracket 22 connected to the encoder body, the encoder bracket 22 is provided on the outer side wall 2101 of the encoder mounting hole, and is connected to the fan cover 40. Specifically, in combination with Figure 7 As shown, in a specific embodiment, two encoder bracket mounting holes 402 are provided on the fan cover 40, and the third fastener 4021 passes through the encoder bracket 22 and the fan cover 40 to achieve a fastening connection between the two. Specifically, the third fastener 4021 can be a screw structure such as a screw, a bolt and a nut.

[0037] Combination Figure 3-5 As shown, a first mounting hole 311 is provided on the adapter support 31, and a second mounting hole 201 is provided on one end surface of the motor shaft 20 facing the fan cover 40, and a first fastener (not shown) passes through the first mounting hole 311 and the second mounting hole 201 to fix the adapter support 31 and the motor shaft 20. Specifically, the first fastener can be a structure such as a screw, a bolt and a nut. It can be understood that in the figure, the number of the first mounting hole 311 and the second mounting hole 201 is taken as 3 mounting holes as an example, but in other embodiments, the number of the first mounting hole 311 and the second mounting hole 201 is not limited, as long as a stable connection between the motor shaft 20 and the adapter support 31 can be achieved.

[0038] In a specific embodiment, the adapter shaft 32 includes an adapter shaft transition section 323 and an adapter shaft matching section 320. The adapter shaft transition section 323 is connected to the adapter support 31 and passes through the mounting through hole 401 of the fan cover 40. The adapter shaft matching section 320 is inserted into the encoder mounting hole 210 and fixed to the encoder body 21. A fastening through hole (not shown) is radially arranged on the outer wall 2101 of the encoder 200 mounting hole. The motor 100 assembly also includes a second fastener (not shown). The second fastener passes through the fastening through hole and abuts against the adapter shaft matching section 320. The second fastener is, for example, a top screw, which realizes the fastening of the encoder 200 and the adapter shaft 32, thereby realizing the radial locking of the encoder 200 and the adapter shaft 32.

[0039] In this embodiment, the encoder mounting hole 210 is protrudingly arranged on the encoder body. It can be understood that part of the side wall of the encoder mounting hole 210 protrudes from the encoder body 21 to form an outer side wall 2101 of the encoder mounting hole 210. One end of the encoder bracket 22 is arranged on the outer side wall 2101, and the other end of the encoder bracket 22 is arranged on the fan cover 40. The encoder bracket 22 is located in the axial space between the encoder body 21 and the fan cover 40, so that the structure of the encoder is more reasonable and the connection method between the encoder body 21 and the fan cover 40 is simpler. At the same time, the radial direction of the protruding outer side wall 2101 can be inserted with a second fastener, so that the second fastener can radially fasten the adapter shaft 32, making the installation of the encoder more stable.

[0040] like Figure 3-5As shown, the adapter shaft mating section 320 includes a first adapter shaft mating section 321 connected to the adapter shaft transition section 323 and a second adapter shaft mating section 322 away from the adapter shaft transition section 323. The diameter of the first adapter shaft mating section 321 is smaller than the diameter of the second adapter shaft mating section 322. During the assembly of the adapter shaft mating section 320 and the encoder mounting hole 210, the second adapter shaft mating section 322 is first inserted into the encoder mounting hole 210, and the first adapter shaft mating section 321 is then inserted into the encoder mounting hole 210. During the insertion process, the second adapter shaft mating section 322 that is inserted first and later is larger, while the diameter of the first adapter shaft mating section 321 that is inserted later is smaller, and the friction force is smaller, which facilitates the installation of the adapter shaft 32 in the encoder mounting hole 210.

[0041] In a specific embodiment, a positioning groove 310 is provided on a side of the adapter support 31 facing the motor shaft 20, and the end of the motor shaft 20 facing the fan cover 40 is located in the positioning groove 310. That is to say, after the positioning groove of the adapter support 31 and the motor shaft 20 are positioned during installation, the two are not easy to move, which facilitates the first fastener to pass through the first mounting hole 311 and the second mounting hole 201 to connect and fix the motor shaft 20 and the adapter shaft 32.

[0042] Combination Figure 7 As shown, in a specific embodiment, the fan cover 40 is provided with a mounting through hole 401 for the adapter shaft 32 to pass through. It can be understood that the adapter shaft 32 and the mounting through hole 401 are clearance-matched, and a seal 4010 is installed in the gap. The seal 4010 is, for example, a V-shaped seal 4010, wherein an end face sealing countersunk hole 404 is provided in the mounting through hole 401. The V-shaped seal 4010 includes a seal fastening portion 4012 and a seal compression portion 4011. The seal fastening portion 4012 is sleeved on the adapter shaft 32. During the assembly process, the seal compression portion 4011 is squeezed to produce a slight deformation so that at least a portion of the seal compression portion 4011 can well enter the sealing countersunk hole 404, thereby realizing the sealing protection of the adapter shaft 32 and the fan cover 40 bracket.

[0043] like Figure 1-2 As shown, in a specific embodiment, the encoder 200 includes an encoder dust cover 23 covering the encoder body 21 to prevent dust from entering the encoder 200, the encoder dust cover 23 and the fan cover 40 are connected by a fourth fastener 231, and a sealing gasket 230 is provided between the encoder dust cover 23 and the fan cover 40 to achieve sealing protection of the encoder dust cover 23 and the fan cover 40, as shown in FIG. Figure 7As shown, the fan cover 40 is provided with four dust cover mounting holes 403, and the sealing gasket 230 is provided with four sealing gasket mounting holes 2301 at corresponding positions, and the encoder dust cover 23, the sealing gasket 230 and the fan cover 40 are fastened by the fourth fastener 231 through them. Specifically, the fourth fastener 231 can be a threaded structure such as a screw, a bolt and a nut. It is understandable that the number of the fourth fasteners is not limited, as long as the encoder dust cover 23, the fan cover 40 and the sealing gasket 230 can be firmly connected.

[0044] The utility model embodiment also proposes an encoder 200, the encoder 200 is used to connect with a motor 100, the motor 100 includes a motor housing 10, a motor shaft 20 located in the motor housing 10, and a fan cover 40 located on one side of the motor housing 10, the encoder 200 includes an encoder body 21, the encoder body 21 is protrudingly provided with an encoder mounting hole 210, an adapter 300 is coaxially connected to an end surface of the motor shaft 20 facing the fan cover 40, the adapter 300 includes an adapter support 31 and an adapter shaft 32, the adapter support 31 is connected to the motor shaft 20, the adapter shaft 32 passes through the fan cover 40 and is coaxially connected to the encoder mounting hole 210, the encoder 200 also includes an encoder bracket 22 connected to the encoder, the encoder bracket 22 is arranged on the outer side wall 2101 of the encoder mounting hole and is fixedly connected to the fan cover 40.

[0045] In a specific embodiment, a fastening through hole is provided on the side wall 2101 of the encoder installation hole 210 , and the encoder further includes a second fastener, which passes through the fastening through hole and abuts against the adapter shaft 32 .

[0046] The utility model embodiment provides a motor 100, which is used to be connected to an encoder 200. The encoder 200 includes an encoder body 21 and an encoder bracket 22 connected to the encoder body. The encoder body 21 is protrudingly provided with an encoder mounting hole 210. The motor 100 includes a motor housing 10, a motor shaft 20 located in the motor housing, and a fan cover 40 located on one side of the motor housing 10. An adapter 300 is coaxially connected to an end face of the motor shaft facing the fan cover. The adapter 300 includes an adapter support 31 and an adapter shaft 32. The adapter support 31 is connected to the motor shaft 20, and the adapter shaft 32 passes through the fan cover 40 and is coaxially connected to the encoder mounting hole 210, wherein the encoder bracket 22 is arranged on the outer side wall of the encoder mounting hole 210 and is fixedly connected to the fan cover 40.

[0047] The motor 100, encoder 20 and motor assembly 1000 proposed in the technical solution of the utility model solve the installation problem of the motor and the encoder. The motor assembly 100 includes a motor 100 with a fan cover and an encoder 200. The encoder body 21 is protrudingly provided with an encoder mounting hole 210. The motor shaft 20 and the encoder mounting hole 210 are connected by an adapter 300 passing through the fan cover 400. The encoder bracket 22 is arranged on the outer side wall 2101 of the encoder mounting hole 210 and is fixedly connected to the fan cover 40. The encoder bracket 22 is located in the axial space between the encoder body 21 and the fan cover 40, so that the structure of the encoder 200 is more reasonable, and the connection method between the encoder body 21 and the fan cover 40 is simpler. At the same time, the radial direction of the protruding outer side wall 210 can be inserted with a second fastener, so that the first The two fasteners can radially fasten the adapter shaft, making the installation of the encoder more stable. The installation method in the utility model realizes radial and axial fixation of the encoder 200 and the motor 100 with a fan cover. This installation method is suitable for the installation of a motor and an encoder installed with a fan and a fan cover. All components in the installation structure are installed in a modular manner. The compatibility of the motor 100 and the encoder 200 is relatively high. The motor 100 can be installed with an encoder or not as needed, and supports non-standard modification of the motor. At the same time, this installation method also supports the installation between multiple motors and multiple encoders, with a high degree of adaptability and cost savings. Through this structure, the difficulty of assembly and disassembly between the motor and the encoder can be simplified, the reliability of the encoder can be improved, the encoder can be guaranteed to work stably on the motor, and the accuracy of the motor movement and the accuracy of control can be improved.

[0048] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A motor assembly, characterized in that: The motor assembly includes a motor and an encoder, the motor includes a motor housing, a motor shaft located in the motor housing, and a fan cover located on one side of the motor housing, the encoder includes an encoder body, an encoder mounting hole protruding from the encoder body, an end surface of the motor shaft facing the fan cover is coaxially connected to an adapter, the adapter includes an adapter support and an adapter shaft, the adapter support is connected to the motor shaft, the adapter shaft passes through the fan cover and is coaxially connected to the encoder mounting hole, the encoder also includes an encoder bracket connected to the encoder body, the encoder bracket is arranged on the outer side wall of the encoder mounting hole and is fixedly connected to the fan cover.

2. The motor assembly according to claim 1, characterized in that: One end of the adapter shaft includes an adapter shaft fitting section, and the adapter shaft fitting section is inserted into the encoder mounting hole and fixed to the encoder body.

3. The motor assembly according to claim 2, characterized in that: A fastening through hole is arranged on the side wall of the encoder mounting hole, and the motor assembly further comprises a second fastener, which passes through the fastening through hole and abuts against the matching section of the adapter shaft.

4. The motor assembly according to claim 2, characterized in that: The adapter shaft matching section includes a first adapter shaft matching section close to the adapter support and a second adapter shaft matching section away from the adapter support. The diameter of the first adapter shaft matching section is smaller than the diameter of the second adapter shaft matching section.

5. The motor assembly according to claim 1, characterized in that: A positioning groove is provided on a side surface of the adapter support facing the motor shaft, and an end of the motor shaft facing the fan cover is located in the positioning groove.

6. The motor assembly according to claim 1, characterized in that The fan cover is provided with a mounting through hole for the adapter shaft to pass through, and the mounting through hole and the adapter shaft are sealedly connected via a sealing member.

7. The motor assembly according to claim 1, characterized in that The encoder comprises an encoder dust cover covering the encoder body, and the encoder dust cover is connected to the fan cover via a fourth fastener. And / or, a sealing gasket is provided between the encoder dust cover and the fan cover, and the fourth fastener fastens the sealing gasket and the encoder dust cover and the fan cover to achieve a sealed connection among the encoder dust cover, the fan cover and the sealing gasket.

8. An encoder, the encoder being used to be connected to a motor, the motor comprising a motor housing, a motor shaft located in the motor housing, and a fan cover located on one side of the motor housing, characterized in that: The encoder includes an encoder body, an encoder mounting hole protruding from the encoder body, an adapter coaxially connected to an end surface of the motor shaft facing the fan cover, the adapter includes an adapter support and an adapter shaft, the adapter support is connected to the motor shaft, the adapter shaft passes through the fan cover and is coaxially connected to the encoder mounting hole, the encoder also includes an encoder bracket connected to the encoder, the encoder bracket is arranged on the outer side wall of the encoder mounting hole and is fixedly connected to the fan cover.

9. The encoder according to claim 8, characterized in that A fastening through hole is arranged on the side wall of the encoder installation hole, and the encoder further comprises a second fastener, which passes through the fastening through hole and abuts against the adapter shaft.

10. A motor, the motor being used to be connected to an encoder, characterized in that: The encoder includes an encoder body and an encoder bracket connected to the encoder body, the encoder body is protrudingly provided with an encoder mounting hole, the motor includes a motor housing, a motor shaft located in the motor housing, and a fan cover located on one side of the motor housing, an adapter is coaxially connected to an end surface of the motor shaft facing the fan cover, the adapter includes an adapter support and an adapter shaft, the adapter support is connected to the motor shaft, the adapter shaft passes through the fan cover and is coaxially connected to the encoder mounting hole, wherein the encoder bracket is arranged on the outer side wall of the encoder mounting hole and is fixedly connected to the fan cover.

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