Waterproof sealing structure for shaft end of servo motor

Abstract

The utility model relates to the technical field of servo motors, and discloses a servo motor shaft end waterproof sealing structure which comprises a servo motor body, a motor shaft body is arranged in the middle of the right end of the servo motor body, and the left portion of the outer surface of the motor shaft body is sleeved with a waterproof cover. A mounting mechanism is fixedly connected to the left portion of the outer surface of the waterproof cover, a plurality of mounting bolts are mounted at the right end of the mounting mechanism, the left end of the mounting mechanism is fixedly connected with the right end of the servo motor body through the mounting bolts, and a flow guide block is fixedly connected to the right end of the waterproof cover; and an avoiding groove is formed in the periphery of the left end of the flow guide block. According to the waterproof sealing structure for the shaft end of the servo motor, the waterproof sealing effect of the shaft end of the motor is enhanced and the service life of the servo motor is prolonged through the arrangement of the waterproof cover and the flow guide block, the waterproof cover is convenient to mount and dismount through the arrangement of the mounting mechanism, the practicability is improved, and the waterproof sealing structure is suitable for being widely used.

Description

Technical Field

[0001] The utility model relates to the technical field of servo motors, in particular to a waterproof sealing structure for a shaft end of a servo motor. Background Art

[0002] A servo motor is an engine that controls the operation of mechanical components in a servo system. It is an auxiliary motor indirect speed changer. The servo motor can control speed and position accurately, and can convert voltage signals into torque and speed to drive the controlled object. Many mechanical equipment require motors to provide power. There are at least the following disadvantages in the use of existing servo motors: 1. When the existing servo motor is in use, the sealing effect of the connection between the servo motor and the motor shaft is not good, which makes it easy for water to enter the inside of the servo motor through the connection, affecting the service life of the servo motor and reducing the waterproof sealing performance; 2. When the waterproof sealing structure performs waterproof sealing on the shaft end of the servo motor, the installable waterproof sealing structure has the problem of poor waterproof effect and is not convenient for disassembly and replacement, which reduces practicality. Therefore, we introduce a servo motor shaft end waterproof sealing structure. Utility Model Content

[0003] The main purpose of the utility model is to provide a waterproof sealing structure for the shaft end of a servo motor, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A waterproof sealing structure for the shaft end of a servo motor comprises a servo motor body, a motor shaft body is arranged in the middle of the right end of the servo motor body, a waterproof cover is sleeved on the left portion of the outer surface of the motor shaft body, a mounting mechanism is fixedly connected to the left portion of the outer surface of the waterproof cover, a plurality of mounting bolts are installed on the right end of the mounting mechanism, and the left end of the mounting mechanism is fixedly connected to the right end of the servo motor body through a plurality of mounting bolts, a guide block is fixedly connected to the right end of the waterproof cover, an avoidance groove is provided around the left end of the guide block, a sealing ring is interspersed and fixedly connected between the left end periphery of the servo motor body, a waterproof groove is provided between the left end periphery of the waterproof cover, a sealing groove is provided on the left portion of the outer surface of the waterproof cover, and the sealing groove is clamped with the sealing ring.

[0006] Preferably, a bearing is inserted and fixedly connected to the middle part of the right cover wall of the waterproof cover, a sealing ring is fixedly connected to the inner ring wall of the bearing, and a through hole is opened in the middle part of the right end of the guide block.

[0007] Preferably, the sealing groove and the sealing ring are both arranged as annular structures, the inner diameter length of the sealing ring is smaller than the diameter length of the motor shaft body, the aperture length of the through hole is consistent with the diameter length of the motor shaft body, and the avoidance groove is located directly to the right of the bearing and the sealing ring.

[0008] Preferably, the mounting mechanism includes a mounting ring, a waterproof ring is inserted and fixedly connected to the middle of the inner ring wall of the mounting ring, and the waterproof ring is fixedly connected to the waterproof groove, a water collecting groove is commonly provided between the left end periphery of the mounting ring, a plurality of drainage holes are provided in the middle of the lower groove wall of the water collecting groove, a plurality of mounting holes are provided around the right end of the mounting ring, and the inner ring wall of the mounting ring is fixedly connected to the outer surface of the waterproof cover.

[0009] Preferably, the cross-section of the waterproof ring is arranged as two symmetrical T-shapes, the plurality of drainage holes are arranged at an angle, and the plurality of drainage holes are located between the two mounting holes on the lower side.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. In the utility model, by setting the waterproof cover and the guide block, the sealing between the waterproof cover and the servo motor can be achieved through the clamping between the sealing ring and the sealing groove, and then the sealing between the waterproof cover and the motor shaft can be achieved through the guide block and the sealing ring, which can enhance the waterproof sealing effect of the motor shaft end, thereby enhancing the waterproof sealing performance and extending the service life of the servo motor;

[0012] 2. In the utility model, by setting up a mounting mechanism, the installation between the waterproof cover and the servo motor can be achieved through the mounting ring. By the clamping connection between the waterproof ring and the waterproof groove, the collection of the sump and the discharge of the drainage hole can be coordinated, so the waterproof effect of the installed waterproof sealing structure can be improved. At the same time, it is also convenient to disassemble and replace the waterproof cover, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a waterproof sealing structure for a servo motor shaft end according to the utility model;

[0014] Figure 2 It is a schematic diagram of the overall cross-sectional structure of a waterproof sealing structure of a servo motor shaft end of the utility model;

[0015] Figure 3 It is a schematic cross-sectional structure diagram of a waterproof cover of a waterproof sealing structure of a servo motor shaft end according to the utility model;

[0016] Figure 4 The utility model is a cross-sectional structural schematic diagram of an installation mechanism of a waterproof sealing structure of a servo motor shaft end.

[0017] In the figure: 1. servo motor body; 2. motor shaft body; 3. waterproof cover; 4. mounting mechanism; 5. mounting bolts; 6. guide block; 7. avoidance groove; 8. sealing ring; 9. waterproof groove; 10. sealing groove; 11. bearing; 12. sealing ring; 13. through hole; 41. mounting ring; 42. waterproof ring; 43. water collecting trough; 44. drainage hole; 45. mounting hole. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-4 , the utility model provides a technical solution:

[0022] A waterproof sealing structure for the shaft end of a servo motor comprises a servo motor body 1, a motor shaft body 2 is arranged in the middle of the right end of the servo motor body 1, a waterproof cover 3 is sleeved on the left part of the outer surface of the motor shaft body 2, a mounting mechanism 4 is fixedly connected to the left part of the outer surface of the waterproof cover 3, a plurality of mounting bolts 5 are installed on the right end of the mounting mechanism 4, and the left end of the mounting mechanism 4 is fixedly connected to the right end of the servo motor body 1 through the plurality of mounting bolts 5, a guide block 6 is fixedly connected to the right end of the waterproof cover 3, an avoidance groove 7 is provided around the left end of the guide block 6, a sealing ring 8 is interspersed and fixedly connected between the left end periphery of the servo motor body 1, a waterproof groove 9 is provided between the left end periphery of the waterproof cover 3, a sealing groove 10 is provided on the left part of the outer surface of the waterproof cover 3, and the sealing groove 10 is clamped with the sealing ring 8.

[0023] In this embodiment, a bearing 11 is inserted and fixedly connected to the middle part of the right cover wall of the waterproof cover 3, a sealing ring 12 is fixedly connected to the inner ring wall of the bearing 11, and a through hole 13 is opened in the middle part of the right end of the guide block 6; the sealing groove 10 and the sealing ring 8 are both arranged as an annular structure, which can realize annular sealing to enhance the sealing effect, the inner diameter length of the sealing ring 12 is smaller than the diameter length of the motor shaft body 2, and the sealing ring 12 is elastic, so that the sealing ring 12 can contact the outer surface of the motor shaft body 2 and rotate with the motor shaft body 2, the aperture length of the through hole 13 is consistent with the diameter length of the motor shaft body 2, the avoidance groove 7 is located to the right of the bearing 11 and the sealing ring 12, and the avoidance groove 7 can prevent the guide block 6 from contacting the bearing 11 and the sealing ring 12.

[0024] In this embodiment, the mounting mechanism 4 includes a mounting ring 41, a waterproof ring 42 is inserted and fixedly connected in the middle of the inner ring wall of the mounting ring 41, and the waterproof ring 42 is fixedly connected to the waterproof groove 9, a water collecting groove 43 is commonly opened between the left end periphery of the mounting ring 41, a plurality of drainage holes 44 are opened in the middle of the lower groove wall of the water collecting groove 43, a plurality of mounting holes 45 are opened in the right end periphery of the mounting ring 41, and the inner ring wall of the mounting ring 41 is fixedly connected to the outer surface of the waterproof cover 3; the cross-section of the waterproof ring 42 is set as two symmetrical T-shapes, so that the waterproof ring 42 is firmly connected to the mounting ring 41, and the plurality of drainage holes 44 are all inclined, which is conducive to the rapid discharge of water, and the plurality of drainage holes 44 are located between the two lower mounting holes 45, so that the plurality of drainage holes 44 are located in the lower part of the water collecting groove 43 and do not cross-communicate with the two mounting holes 45.

[0025] It should be noted that the utility model is a waterproof sealing structure for the shaft end of a servo motor. During use, the waterproof cover 3 is first sleeved on the outer surface of the motor shaft body 2, and the waterproof cover 3 is moved to the left on the motor shaft body 2, so that the sealing ring 8 is inserted into the sealing groove 10 for clamping and sealing, which can achieve the sealing between the waterproof cover 3 and the servo motor body 1, and then the mounting ring 41 is installed on the servo motor body 1 through a plurality of mounting bolts 5, which can achieve the rapid installation of the waterproof sealing structure, and then the guide block 6 can play a diversion role for water, and then a sealing ring 12 with a smaller inner diameter is used to make it in close contact with the motor shaft body 2. , which can achieve sealing between the waterproof cover 3 and the motor shaft body 2, and can ensure the waterproof sealing effect while speeding up the installation speed, thereby enhancing the waterproof sealing effect of the motor shaft end, enhancing the waterproof sealing performance, making it difficult for water to enter the interior of the servo motor body 1 through the connection, and effectively extending the service life of the servo motor body 1, and then through the clamping connection between the waterproof ring 42 and the waterproof groove 9, in conjunction with the collection of water by the water collecting groove 43 and the discharge of water by the drainage hole 44, the waterproof effect of the installed waterproof sealing structure can be further improved, and at the same time, it is also convenient to disassemble and replace the waterproof cover 3, thereby improving the practicality of the waterproof sealing structure.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A waterproof sealing structure for a servo motor shaft end, comprising a servo motor body (1), Features: A motor shaft body (2) is arranged at the middle of the right end of the servo motor body (1), a waterproof cover (3) is sleeved on the left part of the outer surface of the motor shaft body (2), a mounting mechanism (4) is fixedly connected to the left part of the outer surface of the waterproof cover (3), a plurality of mounting bolts (5) are installed at the right end of the mounting mechanism (4), and the left end of the mounting mechanism (4) is fixedly connected to the right end of the servo motor body (1) through the plurality of mounting bolts (5), a guide block (6) is fixedly connected to the right end of the waterproof cover (3), a avoidance groove (7) is provided around the left end of the guide block (6), a sealing ring (8) is interspersed and fixedly connected between the left end periphery of the servo motor body (1), a waterproof groove (9) is provided between the left end periphery of the waterproof cover (3), a sealing groove (10) is provided on the left part of the outer surface of the waterproof cover (3), and the sealing groove (10) is clamped with the sealing ring (8).

2. A servo motor shaft end waterproof sealing structure according to claim 1, Features: A bearing (11) is inserted and fixedly connected in the middle of the right cover wall of the waterproof cover (3), a sealing ring (12) is fixedly connected to the inner ring wall of the bearing (11), and a through hole (13) is opened in the middle of the right end of the guide block (6).

3. A servo motor shaft end waterproof sealing structure according to claim 2, Features: The sealing groove (10) and the sealing ring (8) are both arranged as an annular structure, the inner diameter length of the sealing ring (12) is smaller than the diameter length of the motor shaft body (2), the aperture length of the through hole (13) is consistent with the diameter length of the motor shaft body (2), and the avoidance groove (7) is located directly to the right of the bearing (11) and the sealing ring (12).

4. The waterproof sealing structure for the shaft end of a servo motor according to claim 1, Features: The mounting mechanism (4) comprises a mounting ring (41), a waterproof ring (42) is inserted and fixedly connected in the middle of the inner ring wall of the mounting ring (41), and the waterproof ring (42) is fixedly connected to the waterproof groove (9), a water collecting groove (43) is commonly provided between the left end periphery of the mounting ring (41), a plurality of drainage holes (44) are provided in the middle of the lower groove wall of the water collecting groove (43), a plurality of mounting holes (45) are provided in the right end periphery of the mounting ring (41), and the inner ring wall of the mounting ring (41) is fixedly connected to the outer surface of the waterproof cover (3).

5. A servo motor shaft end waterproof sealing structure according to claim 4, Features: The cross-section of the waterproof ring (42) is arranged to be two symmetrical T-shaped, and the plurality of drainage holes (44) are arranged to be inclined, and the plurality of drainage holes (44) are located between the two mounting holes (45) at the lower side.

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