Outgoing line assembly of servo motor and servo motor

Abstract

The utility model discloses a wire outlet assembly of a servo motor and the servo motor, and the wire outlet assembly comprises a wire pressing cover which is provided with a wire outlet which is used for placing a power line; the first sealing element is arranged on the wire pressing cover and is used for sealing the power line; the second sealing element is arranged at the wire outlet; the locking piece is arranged at the wire outlet; the wire pressing cover is further provided with a locking assembly, the locking assembly is arranged at the end, close to the wire outlet, of the wire pressing cover, the power line sequentially penetrates through the locking assembly and the wire outlet, the second sealing piece is arranged between the power line and the locking assembly, and the locking piece is arranged on the locking assembly and used for locking the second sealing piece through the locking assembly so as to lock the power line. Through the above mode, the sealing effect is increased, the power line is fixed and sealed, and the power line and the second sealing member are not easy to leak glue during the vacuum-pumping glue filling process of the motor stator, thereby improving the sealing performance.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electric machines, in particular to a wire outlet assembly of a servo motor and the servo motor. BACKGROUND

[0002] In an injection molding machine, an alternating current permanent magnet servo motor usually directly drives an oil pump, and the installation position of the motor is usually located at the bottom of the injection molding machine. Because there are many oil pipes around the motor and the working environment is complex, high requirements are put forward for the sealing performance of the motor. The part from the internal winding of the motor to the external junction box is a weak link of the sealing performance, and oil leakage or glue leakage and other problems are easily caused by poor sealing, thereby affecting the normal operation of the motor.

[0003] At present, the commonly used motor power line outlet structure on the market adopts an L-shaped sealing gasket, the sealing gasket is provided with an outlet hole, a wire pressing cover is located at the outlet hole and is provided with a groove, and the sealing gasket is fixed on the wire pressing cover through screws. In actual application, the sealing gasket is subjected to multiple extrusions from the power line, the wire pressing cover and the screws, and is easily deformed, thereby reducing the sealing effect. In addition, during the vacuumizing and glue filling process of the stator of the motor, glue leakage is easily caused at the power line and the sealing gasket, thereby affecting the sealing performance. CONTENT OF THE UTILITY MODEL

[0004] The application mainly provides a wire outlet assembly of a servo motor and the servo motor, and solves the problems of easy deformation of the sealing gasket and easy glue leakage at the power line and the sealing gasket.

[0005] The application provides a wire outlet assembly of a servo motor, which comprises:

[0006] A wire pressing cover is provided with a wire outlet, and the wire outlet is used for placing a power line.

[0007] A first sealing member is arranged on the wire pressing cover and is used for sealing the power line.

[0008] A second sealing member is arranged on the wire outlet.

[0009] A locking member is arranged on the wire outlet.

[0010] The wire pressing cover is further provided with a locking assembly, the locking assembly is arranged at one end of the wire pressing cover close to the wire outlet, the power line is sequentially arranged in the locking assembly and the wire outlet, the second sealing member is arranged between the power line and the locking assembly, and the locking member is arranged on the locking assembly and is used for locking the second sealing member through the locking assembly to lock the power line.

[0011] The locking assembly comprises a first locking part and a second locking part, the first locking part is connected with the wire pressing cover and is close to the wire outlet, the second locking part is connected with the first locking part, the second sealing element is located between the second locking part and the power cord, and the locking element is arranged on the first locking part and used for locking the second sealing element through the second locking part to lock the power cord.

[0012] The cross-sectional shape of the second locking part is trapezoidal.

[0013] The second locking part comprises a plurality of locking pieces, the plurality of locking pieces are arranged on the side of the first locking part away from the wire outlet, the locking element is arranged on the first locking part, and the plurality of locking pieces are used for locking the second sealing element.

[0014] The first locking part is provided with external threads located on the outer side wall of the first locking part, the locking element comprises a locking nut corresponding to the external threads, the locking nut is used for locking the second locking part through the external threads to lock the second sealing element.

[0015] The locking nut is provided with a mounting part located at the end of the locking nut away from the first locking part, and the mounting part is used for mounting the locking nut on the external threads.

[0016] The second sealing element is provided with a first positioning part located at the end of the second sealing element away from the wire outlet, and the first positioning part is clamped with the end of the second locking part away from the wire outlet to position the second sealing element.

[0017] The second sealing element comprises a sealing ring, the sealing ring is sleeved on the power cord, and the power cord is arranged in the second locking part so that the sealing ring is located between the second locking part and the power cord.

[0018] The first sealing element comprises a sealing gasket, the sealing gasket is provided with a second positioning part located on the side of the sealing gasket close to the wire pressing cover, and the second positioning part is clamped with the wire pressing cover to position the first sealing element.

[0019] The application further provides a servo motor comprising the wire outlet assembly.

[0020] The beneficial effects of the present application are: the wire outlet assembly of the servo motor of the present application comprises: a wire pressing cover provided with a wire outlet port for placing a power supply wire; a first sealing member arranged on the wire pressing cover for sealing the power supply wire; a second sealing member arranged on the wire outlet port; and a locking member arranged on the wire outlet port; wherein the wire pressing cover is further provided with a locking assembly arranged at one end of the wire pressing cover close to the wire outlet port, the power supply wire is sequentially arranged in the locking assembly and the wire outlet port, the second sealing member is arranged between the power supply wire and the locking assembly, and the locking member is arranged on the locking assembly for locking the second sealing member through the locking assembly to lock the power supply wire. The first sealing member and the second sealing member are arranged in a split type, compared with the L-shaped sealing gasket in the existing motor power line wire outlet structure, the first sealing member is individually pressed by the wire pressing cover, the second sealing member is individually pressed by the locking member, the first sealing member is not easy to deform, and the sealing effect is increased; and the wire pressing cover is further provided with a locking assembly, the second sealing member is locked through the locking assembly, so as to realize the fixation and sealing of the power supply wire, the power supply wire and the second sealing member are not easy to appear the glue leakage phenomenon in the motor stator vacuum glue filling process, and the sealing performance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating labor. Among them:

[0022] Figure 1 is a structural schematic diagram of an embodiment of the motor power line wire outlet structure provided by the present application;

[0023] Figure 2 is a cross-sectional view of the motor power line wire outlet structure and the power supply wire;

[0024] Figure 3 is a structural schematic diagram of an embodiment of the wire outlet assembly of the servo motor provided by the present application;

[0025] Figure 4 is a structural schematic diagram of the wire pressing cover, the second sealing member and the locking member provided by the present application;

[0026] Figure 5 is a cross-sectional view of the wire outlet assembly of the servo motor and the power supply wire;

[0027] Figure 6 is a structural schematic diagram of an embodiment of the locking member provided by the present application;

[0028] Figure 7 is a structural schematic diagram of an embodiment of the first sealing member provided by the present application. DETAILED DESCRIPTION

[0029] The embodiments of the technical solutions of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "include" and "have" and any variations thereof in the specification and claims of the present application and the above description of drawings are intended to cover non-exclusive inclusion.

[0031] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features.

[0032] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearance of the phrase in various places in the specification does not necessarily all refer to the same embodiment, nor is it necessarily independent or alternative embodiments to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0033] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship between the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.

[0034] In the description of the embodiments of the present application, the term "a plurality of" refers to two or more (including two), and similarly, "a plurality of groups" refers to two or more groups (including two groups), and "a plurality of pieces" refers to two or more pieces (including two pieces).

[0035] In the description of the embodiments of the present application, the orientations or positional relationships indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like are based on the orientations or positional relationships shown in the drawings, and are merely for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0036] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connection", "connecting", "fixing", and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or can be integrated; can be mechanical connection, or can be electrical connection; can be directly connected between them, or can be indirectly connected through an intermediate medium, or can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0037] Please refer to Figure 1 and Figure 2 , Figure 1 is a structural schematic diagram of an embodiment of the motor power line outlet structure provided by the present application; Figure 2 is a cross-sectional view of the motor power line outlet structure and the power supply line. The motor power line outlet structure 100 of the present embodiment adopts an L-shaped sealing gasket 110, the sealing gasket 110 is provided with an outlet hole 111, a wire pressing cover 120 is located at the outlet hole 111 and is provided with a groove, and the sealing gasket 110 is fixed on the wire pressing cover 120 by screws (not marked in the figure). In actual application, the sealing gasket 110 is subjected to multiple extrusions from the power supply line 130, the wire pressing cover 120 and the screws, which easily causes the sealing gasket 110 to deform, thereby reducing the sealing effect. In addition, during the vacuumizing and glue filling process of the motor stator, glue leakage phenomenon easily occurs at the sealing gasket 110 and the power supply line 130, thereby affecting the sealing performance.

[0038] The present application provides a wire outlet assembly of a servo motor. Please refer to Figures 3-5 , Figure 3 is a structural schematic diagram of an embodiment of the wire outlet assembly of the servo motor provided by the present application; Figure 4 is a structural schematic diagram of the wire pressing cover, the second sealing member and the locking member provided by the present application; Figure 5 is a cross-sectional view of the wire outlet assembly of the servo motor and the power supply line. The wire outlet assembly 1 of the servo motor of the present embodiment includes a wire pressing cover 10, a first sealing member 20, a second sealing member 30 and a locking member 40.

[0039] The wire cover 10 is provided with a wire outlet 11 for placing the power cord 50. The wire outlet 11 includes, but is not limited to, a through slot. The shape of the wire outlet 11 of the embodiment is circular, as shown in Figure 4 In other embodiments, the shape of the wire outlet 11 is square or polygonal.

[0040] In some embodiments, one side of the wire cover 10 is provided with the wire outlet 11, and one end of the power cord 50 passes through the wire outlet 11 so that the power cord 50 is placed in the wire outlet 11.

[0041] The first sealing member 20 is arranged on the wire cover 10 for sealing the power cord 50. The arrangement of the first sealing member 20 on the wire cover 10 includes, but is not limited to, embedding, clamping, bonding or threaded connection.

[0042] In some embodiments, the first sealing member 20 is installed on one side of the wire cover 10, and the side on which the first sealing member 20 is installed is adjacent to the side provided with the wire outlet 11, as shown in Figure 3 When the power cord 50 is placed in the wire outlet 11, the power cord 50 is sealed by the first sealing member 20.

[0043] The second sealing member 30 and the locking member 40 are arranged in the wire outlet 11, i.e. the second sealing member 30 and the locking member 40 are installed on the wire outlet 11 of the wire cover 10. The installation method includes, but is not limited to, embedding, clamping, bonding or threaded connection.

[0044] The wire cover 10 is further provided with a locking assembly 12 arranged at one end of the wire cover 10 close to the wire outlet 11.

[0045] For example, as shown in Figure 4 The locking assembly 12 is located at one end of the wire cover 10 close to the wire outlet 11, and the locking assembly 12 is located on the outer side of the wire cover 10.

[0046] The power cord 50 passes through the locking assembly 12 and the wire outlet 11 in sequence, the second sealing member 30 is arranged between the power cord 50 and the locking assembly 12, and the locking member 40 is arranged on the locking assembly 12 for locking the second sealing member 30 through the locking assembly 12 to lock the power cord 50.

[0047] The arrangement of the locking member 40 on the locking assembly 12 includes, but is not limited to, threaded connection, buckle connection, compression connection or embedding connection.

[0048] In some embodiments, the second sealing member 30 is first arranged on the inner side wall of the locking assembly 12, one end of the power line 50 is first threaded through the locking assembly 12 provided with the second sealing member 30 and then through the wire outlet 11, and the locking member 40 is arranged on the locking assembly 12; at this time, the locking member 40 extrudes the locking assembly 12, so that the locking member 40 locks the second sealing member 30 through the locking assembly 12, and then locks the power line 50.

[0049] In some embodiments, the second sealing member 30 is first arranged on one end of the power line 50, one end of the power line 50 is first threaded through the locking assembly 12 and then through the wire outlet 11, so that the second sealing member 30 is located between the locking assembly 12 and the power line 50; the locking member 40 is arranged on the locking assembly 12, and the locking member 40 extrudes the locking assembly 12, so that the locking member 40 locks the second sealing member 30 through the locking assembly 12, and then locks the power line 50.

[0050] In this embodiment, the first sealing member 20 and the second sealing member 30 are arranged in a split manner, compared with the L-shaped sealing gasket 110 in the existing motor power line wire outlet structure 100, the first sealing member 20 is subjected to the pressure of the wire pressing cover 10 alone, and the second sealing member 30 is subjected to the pressure of the locking member 40 alone, so that the first sealing member 20 is not easy to deform and the sealing effect is increased; and the wire pressing cover 10 is further provided with the locking assembly 12, the second sealing member 30 is locked through the locking assembly 12, so as to realize the fixation and sealing of the power line 50, and the power line 50 is not easy to appear glue leakage phenomenon at the position of the second sealing member 30 in the process of vacuumizing and filling glue for the motor stator, thereby improving the sealing performance.

[0051] According to some embodiments of the present application, as shown in Figure 4 The locking assembly 12 of the present embodiment includes a first locking portion 121 and a second locking portion 122, the first locking portion 121 is connected with the wire pressing cover 10 and is close to the wire outlet 11, and the second locking portion 122 is connected with the first locking portion 121.

[0052] Optionally, the first locking portion 121 and the second locking portion 122 are integrally formed with the wire outlet 11 of the wire pressing cover 10.

[0053] The second sealing member 30 is located between the second locking portion 122 and the power line 50, and the locking member 40 is arranged on the first locking portion 121 and used to lock the second sealing member 30 through the second locking portion 122, so as to lock the power line 50.

[0054] In some embodiments, the first locking portion 121 and the second locking portion 122 are in a cylindrical shape, the power cord 50 passes through the second locking portion 122, the first locking portion 121 and the outlet 11 in sequence, and the second sealing member 30 is located between the second locking portion 122 and the power cord 50; when the locking member 40 is arranged on the first locking portion 121, the locking member 40 extrudes the second locking portion 122, so that the locking member 40 locks the second sealing member 30 through the second locking portion 122, and then locks the power cord 50.

[0055] The locking member 40 of the embodiment is arranged on the first locking portion 121, and uniform locking force is applied to the second sealing member 30 through the second locking portion 122, so as to ensure the tightness between the power cord 50 and the second sealing member 30.

[0056] According to some embodiments of the present application, as shown in Figure 4 and Figure 5 , the cross-sectional shape of the second locking portion 122 of the embodiment is in a trapezoidal shape.

[0057] In some embodiments, the cross-sectional area of the end of the second locking portion 122 away from the first locking portion 121 is smaller than the cross-sectional area of the end of the second locking portion 122 close to the first locking portion 121, so that the cross-sectional shape of the second locking portion 122 is in a trapezoidal shape in the axial direction; at this time, the shape of the second locking portion 122 is in a conical shape.

[0058] The embodiment can more effectively lock the second sealing member 30, and then more effectively lock the power cord 50, by setting the cross-sectional shape of the second locking portion 122 to be in a trapezoidal shape, so as to prevent the phenomenon of glue leakage at the power cord 50 and the second sealing member 30.

[0059] According to some embodiments of the present application, as shown in Figure 4 , the second locking portion 122 of the embodiment includes a plurality of locking pieces, the plurality of locking pieces are arranged at intervals on the side of the first locking portion 121 away from the outlet 11, the locking member 40 is arranged on the first locking portion 121, and the plurality of locking pieces are used to lock the second sealing member 30.

[0060] In some embodiments, as shown in Figure 4 , the second locking portion 122 composed of the plurality of locking pieces is also called a split conical structure; when the locking member 40 is arranged on the first locking portion 121, the locking member 40 extrudes the plurality of locking pieces, the plurality of locking pieces extrude the second sealing member 30 to lock the power cord 50.

[0061] The second locking portion 122 of the embodiment locks the second sealing member 30 through the plurality of locking pieces arranged at intervals, so as to more evenly distribute the locking force and avoid deformation or damage of the second sealing member 30 due to excessive local pressure.

[0062] According to some embodiments of the present application, please refer to Figure 4 and Figure 6 as shown, Figure 6 is a structural schematic diagram of an embodiment of the locking piece provided by the present application. The first locking part 121 of the embodiment is provided with external threads on the outer side wall of the first locking part 121. The locking piece 40 includes a locking nut corresponding to the external threads, and the locking nut is used to lock the second locking part 122 through the external threads, so as to lock the second sealing piece 30 by the second locking part 122.

[0063] In the embodiment, the locking nut is provided with internal threads on the inner side wall of the locking nut, which are matched with the external threads of the first locking part 121.

[0064] In some embodiments, the locking piece 40 is arranged on the first locking part 121, that is, the locking nut is screwed on the external threads of the first locking part 121. At this time, the locking nut exerts a pressing force to lock the second locking part 122, and the second locking part 122 locks the second sealing piece 30.

[0065] In the embodiment, the locking nut can accurately exert a pressing force through cooperation with the external threads, so as to ensure that the second locking part 122 firmly locks the second sealing piece 30. Moreover, the threaded locking structure is simple to operate and easy to control.

[0066] According to some embodiments of the present application, as shown in Figure 6 , the locking nut of the embodiment is provided with a mounting part 41, which is located at one end of the locking nut away from the first locking part 121, and is used to mount the locking nut on the external threads. For example, the outer side wall of the mounting part is hexagonal.

[0067] In the embodiment, the mounting part 41 is provided, which facilitates the mounting and dismounting of the locking nut by using a standard tool (such as a wrench or a sleeve). The mounting part 41 provides multiple planar contact points, so that the tool can more stably exert force, thereby achieving uniform locking.

[0068] According to some embodiments of the present application, as shown in Figure 4 , the second sealing piece 30 of the embodiment is provided with a first positioning part 31, which is located at one end of the second sealing piece 30 away from the outlet 11. The first positioning part 31 is clamped with one end of the second locking part 122 away from the outlet 11, so as to position the second sealing piece 30.

[0069] In some embodiments, the second seal 30 is first disposed on one end of the power cord 50. The power cord 50 drives the second seal 30 through the second locking part 122. The first positioning part 31 of the second seal 30 engages with the end of the second locking part 122 away from the outlet 11, so that the second seal 30 is located between the second locking part 122 and the power cord 50, thereby positioning the second seal 30.

[0070] In this embodiment, the snap-fit ​​between the first positioning part 31 and the second locking part 122 ensures that the second sealing member 30 maintains the correct position during the locking process, avoiding sealing failure caused by displacement of the second sealing member 30. The snap-fit ​​design makes the installation of the second sealing member 30 simpler and faster. Through the cooperation between the first positioning part 31 and the second locking part 122, the second sealing member 30 can be quickly positioned, reducing assembly time and labor costs.

[0071] According to some embodiments of this application, the second seal 30 includes a sealing ring, which is sleeved on the power line 50. The power line 50 passes through the second locking part 122 so that the sealing ring is located between the second locking part 122 and the power line 50.

[0072] In this embodiment, the sealing ring is directly fitted onto the power cord 50 and locked by the second locking part 122. This structure ensures that the sealing ring fits tightly against the power cord 50 during the locking process, thereby providing a reliable sealing effect.

[0073] According to some embodiments of this application, please refer to Figure 7 As shown, Figure 7 This is a schematic diagram of an embodiment of the first sealing member provided in this application. The first sealing member 20 in this embodiment includes a sealing gasket, and the sealing gasket is provided with a second positioning part 21. The second positioning part 21 is located on the side of the sealing gasket near the pressure cap 10. The second positioning part 21 is engaged with the pressure cap 10 to position the first sealing member 20.

[0074] In this embodiment, by setting the second positioning part 21, the sealing gasket is not easy to fall off during the assembly process of the first sealing member 20 and the pressure cover 10, that is, when the sealing gasket is installed on the pressure cover 10, which facilitates installation and improves installation efficiency.

[0075] Another embodiment of this application provides a servo motor, including the output component 1 of the above embodiment, which will not be described in detail here.

[0076] In summary, the first seal 20 and the second seal 30 are separately arranged, compared with the L-shaped sealing gasket 110 in the existing motor power line outlet structure 100, the first seal 20 is subjected to the pressure of the wire pressing cover 10 alone, the second seal 30 is subjected to the pressure of the locking part 40 alone, the first seal 20 is not easy to deform, and the sealing effect is increased; and the wire pressing cover 10 is further provided with a locking assembly 12, the second seal 30 is locked through the locking assembly 12, so that the fixing and sealing of the power line 50 are realized, during the vacuum pumping and glue filling process of the motor stator, the power line 50 is not easy to appear the glue leakage phenomenon at the position of the second seal 30, and then the sealing performance is improved.

[0077] The above is only the embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A servo motor cable output assembly, characterized in that, include: The cable clamp has a cable outlet for holding the power cord. A first sealing element is disposed on the wire clamp cover to seal the power cord; A second sealing element is provided at the outlet; A locking element is provided at the cable outlet; The wire clamp cover is further provided with a locking assembly. The locking assembly is located at one end of the wire clamp cover near the outlet. The power cord passes through the locking assembly and the outlet in sequence. The second sealing member is located between the power cord and the locking assembly. The locking member is located on the locking assembly and is used to lock the second sealing member through the locking assembly to lock the power cord.

2. The outgoing wire assembly according to claim 1, characterized in that, The locking assembly includes a first locking part and a second locking part. The first locking part is connected to the wire clamping cover and is connected near the wire outlet. The second locking part is connected to the first locking part. The second sealing member is located between the second locking part and the power cord. The locking member is disposed on the first locking part and is used to lock the second sealing member through the second locking part to lock the power cord.

3. The outgoing wire assembly according to claim 2, characterized in that, The cross-sectional shape of the second locking part is trapezoidal.

4. The outgoing wire assembly according to claim 3, characterized in that, The second locking part includes a plurality of locking plates, which are spaced apart on the side of the first locking part away from the outlet. The locking member is disposed on the first locking part, and the plurality of locking plates are used to lock the second sealing member.

5. The outgoing wire assembly according to claim 2, characterized in that, The first locking part is provided with an external thread, which is located on the outer side wall of the first locking part; the locking member includes a locking nut, which is provided corresponding to the external thread, and the locking nut is used to lock the second locking part through the external thread so that the second locking part locks the second sealing member.

6. The outgoing line assembly according to claim 5, characterized in that, The locking nut is provided with a mounting part, which is located at the end of the locking nut away from the first locking part, and is used to install the locking nut on the external thread.

7. The outgoing wire assembly according to claim 2, characterized in that, The second sealing member is provided with a first positioning part, which is located at the end of the second sealing member away from the outlet. The first positioning part engages with the end of the second locking part away from the outlet to position the second sealing member.

8. The outgoing line assembly according to claim 7, characterized in that, The second sealing element includes a sealing ring, which is sleeved on the power cord, and the power cord passes through the second locking part so that the sealing ring is located between the second locking part and the power cord.

9. The outgoing wire assembly according to claim 1, characterized in that, The first sealing element includes a sealing gasket, and the sealing gasket is provided with a second positioning part. The second positioning part is located on the side of the sealing gasket near the pressure cap, and the second positioning part engages with the pressure cap to position the first sealing element.

10. A servo motor, characterized in that, Includes the outgoing line component as described in any one of claims 1-9.

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