Motor outgoing line plug

Abstract

The utility model relates to a motor outgoing line plug. The motor outgoing line plug comprises a plug body, a motor rear end cover slot arranged at one side of the plug body, a power line fixing assembly arranged at the other side of the plug body, an extension socket arranged below the motor rear end cover slot, and clamping assemblies arranged at two ends of the motor rear end cover slot and clamped with a motor rear end cover. One end of the extension socket is inserted with a power line, and the other end is inserted with a binding post; according to the utility model, the automatic production of direct insertion of the power lead plug and the binding post is realized, the production efficiency is greatly improved, and the processing cost is reduced; the outgoing line plug can be plugged after the production of the motor main body is finished, so that overlong outgoing lines are prevented from being mutually wound in the production and sequence turning processes; the wiring plug is simple in structure, low in production and processing cost and convenient and reliable to use; the method is suitable for a motor with a tap speed regulation winding, and provides guarantee for reliability and consistency of automatic production. And the insulation performance quality between the ground and the joint of the motor is reliably ensured.

Description

Technical Field

[0001] The utility model relates to a motor lead-out plug, belonging to the technical field of single-phase asynchronous motors. Background Art

[0002] For the lead-out mode of the power supply lead of a single-phase asynchronous motor, a flexible connection method is mostly used between the electromagnetic coil and the power cord. The lead connection process is complex and basically completed manually; for the joint using flexible connection, manual welding is required, and then insulation wrapping and fixing binding treatment are also needed, which is not easy to realize automated mass production; for the coil with tap speed regulation, there are more lead-out line joints, and identification and distinction are also required, which is time-consuming and laborious; the insulation treatment for ground and phase is complex, and the quality is not easy to guarantee.

[0003] Chinese Patent Publication No. CN117526623A, titled: A Motor Lead-out Structure, a Motor, includes a housing (2). A winding (1) and a main body (4) are arranged inside the housing (2). The main body (4) is located at an end of the housing (2) relative to the winding (1) close to the housing (2). The main body (4) is provided with a lead-out channel. A first lead-out wire (5) is provided on the winding (1). The first lead-out wire (5) passes through the lead-out channel and extends outside the housing (2); during operation, it is fixed by screws. The fasteners are not easy for automatic feeding and pre-fixing by machines, and the wire is connected in a flexible manner, so the automated assembly of the plug body and the whole machine cannot be realized.

[0004] Chinese Utility Model Patent Publication No. CN213637323U, titled: A Motor Lead-out Structure, includes a plug hole opened on the rear end cover (4) of the motor housing, a wiring plug (7) installed in the plug hole, and a plug cover (9) fixed on the motor housing and covering the outside of the wiring plug (7); the wiring plug (7) includes a fixed seat plate (71), a plurality of terminal fixing columns (731) fixedly connected to the lower surface of the fixed seat plate (71), a terminal straight insertion hole (73) opened at the center of the terminal fixing column (731), and a bent wire groove (75) opened on the upper surface of the fixed seat plate (71) and bent and communicated with the terminal straight insertion hole (73); during operation, resin pouring and solidification are required, the work efficiency is low, and the working environment is difficult to maintain. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a motor lead-out plug that is convenient to plug and install with the motor rear end cover, has reliable performance, realizes the direct insertion of the power supply lead plug and the wiring column for automated production, ensures product quality, has a simple structure, and has an overall beautiful appearance.

[0006] The utility model adopts the following technical solutions:

[0007] The utility model includes a plug body, a motor rear end cover slot arranged on one side of the plug body, a power cord fixing component arranged on the other side of the plug body, a socket strip arranged below the motor rear end cover slot, and a clamping component arranged at both ends of the motor rear end cover slot and clamped with the motor rear end cover; one end of the socket strip is arranged below the power cord fixing component and is used for inserting the power cord, and the other end of the socket strip is inserted with a terminal; the plug body is installed on the motor rear end cover.

[0008] The motor rear end cover slot of the utility model is integrally in an arc shape matching the motor rear end cover for easy installation. The motor rear end cover slot includes an outer arc-shaped clamping plate, an inner arc-shaped clamping plate fixedly installed on one side of the top end of the plug body, and a stop-in convex platform arranged between the outer arc-shaped clamping plate and the inner arc-shaped clamping plate; the inner arc-shaped clamping plate is located below the outer arc-shaped clamping plate; the clamping component is arranged at both ends of the bottom surface of the outer arc-shaped clamping plate; the socket strip is located below the inner arc-shaped clamping plate; the arc length of the outer arc-shaped clamping plate is greater than that of the inner arc-shaped clamping plate, and the central angles of the arcs of the inner arc-shaped clamping plate and the stop-in convex platform are equal; the structure is compact.

[0009] The clamping component of the utility model includes a check stop convex platform A fixedly arranged at one end of the bottom surface of the outer clamping plate and a check stop convex platform B arranged at the other end of the bottom surface of the outer clamping plate. Both the check stop convex platform A and the check stop convex platform B are located outside the corresponding ends of the outer clamping plate; the end faces of the check stop convex platform A and the check stop convex platform B corresponding to the side face of the plug body are semi-circular, the width of the end face matches the width of the motor rear end cover slot, and the thickness of the end face matches the wall thickness of the slot.

[0010] The socket strip of the utility model is in a stepped arc shape matching the inner arc-shaped clamping plate. The socket strip includes a square column wire inserting body with a cavity inside in sequence; one end of the square column wire inserting body is a power cord inserting port located below the power cord fixing component, and the other end of the square column wire inserting body is a terminal socket.

[0011] The power cord fixing component of the utility model includes a plurality of T-shaped elastic clamping blocks arranged at equal intervals on the other side of the top end of the plug body. The plurality of T-shaped elastic clamping blocks are arranged in an arc shape; the gap between two adjacent T-shaped elastic clamping blocks is a T-shaped power cord slot, and each T-shaped power cord slot corresponds to a power cord inserting port below. The inlet gap of the T-shaped power cord slot is narrower than the inner gap, that is, the width of the inlet of the T-shaped power cord slot is narrower than the outer diameter of the power cord, which can prevent the power cord from coming out.

[0012] The top arc surface of the outer arc-shaped clamping plate of the utility model is flush with the top arc surface of the T-shaped elastic clamping block, making the overall appearance beautiful.

[0013] Both the square column wire inserting body and the T-shaped power cord slot of the utility model are 6.

[0014] A relief through hole is longitudinally arranged in the middle of the plug body below the power cord inserting port of the utility model, facilitating the passage of the wire connecting the thermal protector.

[0015] The plug body of the utility model is fan-shaped, and enclosure plates are respectively arranged on the front side, the rear side, the lower side and the outer side of the lower part of the yielding through hole of the plug body.

[0016] The plug body, the motor rear end cover slot, the power line fixing component, the strip plug and the clamping component of the utility model are integrally formed, and the overall material is PA6 hard plastic, which is easy to process and manufacture.

[0017] The positive effects of the utility model are as follows: the utility model realizes the automated production of direct insertion of the power lead plug into the terminal post, greatly improves the production efficiency and reduces the processing cost; the lead wire plug can be plugged in after the motor main body is produced, avoiding the entanglement of excessively long lead wires during the production and transfer process; the wiring plug of the utility model has a simple structure, low production and processing cost, and is convenient and reliable to use; it is suitable for motors with tapped speed regulation windings, and provides a guarantee for the reliability and consistency of automated production; and the insulation performance quality of the motor to the ground and between the joints is reliably guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Attached Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Attached Figure 2 This is a schematic diagram of the position structure of the clamping assembly of the utility model;

[0020] Attached Figure 3 This is a schematic diagram of the structure of the power cord fixing component of the utility model;

[0021] Attached Figure 4 This is a schematic diagram of the structure of the non-return boss B of the utility model;

[0022] Attached Figure 5 A schematic diagram of the structure of the rear end cover of the motor for installing the utility model;

[0023] Attached Figure 6 A schematic diagram of the structure of the utility model for installing the rear end cover of the motor;

[0024] Attached Figure 7 This is a schematic diagram of the slot structure of the rear end cover of the motor;

[0025] Attached Figure 8 A schematic diagram of the motor structure for installing the utility model;

[0026] Attached Figure 9 The utility model is a schematic diagram of the cross-sectional structure of the motor installed. DETAILED DESCRIPTION

[0027] In the description of the present invention, the directional words top, bottom, bottom, front side and back side are all attached. Figure 1 The middle plug body 1 is set vertically.

[0028] As shown in the attached Figure 4 、 5 Figures 6, 8, and 9, the motor of the present utility model includes a front end cover 7 and a rear end cover 6 which are buckled together. A coil front skeleton 71, a stator core 72, a coil rear skeleton 73, and a terminal 74 (also known as a pin) installed on the coil rear skeleton 73 are installed inside the front end cover 7. An outlet plug hole 63 for installing the present utility model is provided on the rear end cover 6.

[0029] Embodiment 1:

[0030] As shown in the attached Figure 1 Figure, the present utility model includes a plug body 1, a motor rear end cover slot provided on one side of the plug body 1, a power cord fixing component 3 provided on the other side of the plug body 1, a socket 4 provided below the motor rear end cover slot, and a clamping component for clamping with the motor rear end cover at both ends of the motor rear end cover slot; one end of the socket 4 is provided below the power cord fixing component 3 for inserting the power cord, and the other end of the socket 4 is provided below the motor rear end cover slot and for inserting the terminal 74.

[0031] As shown in the attached Figure 1 、 2 Figures, the motor rear end cover slot of the present utility model is integrally arc-shaped and matches the motor rear end cover 6. The motor rear end cover slot includes an outer arc-shaped clamping plate 21, an inner arc-shaped clamping plate 22 fixedly installed on one side of the top end of the plug body 1, and a stop projection 23 provided between the outer arc-shaped clamping plate 21 and the inner arc-shaped clamping plate 22; the inner arc-shaped clamping plate 22 is located below the outer arc-shaped clamping plate 21; the clamping component is provided at both ends of the inner arc surface (i.e., the bottom surface) of the outer arc-shaped clamping plate 21; the socket 4 is located below the inner arc-shaped clamping plate 22; the arc length of the outer arc-shaped clamping plate 21 is greater than the arc length of the inner arc-shaped clamping plate 22, and the central angle of the inner arc-shaped clamping plate 22 is equal to that of the stop projection 23.

[0032] As shown in the attached Figure 2 、 4 Figures, the clamping component of the present utility model includes a check projection A 51 fixedly provided at one end of the bottom surface of the outer clamping plate 21 and a check projection B 52 provided at the other end of the bottom surface of the outer clamping plate 21. The check projection A 51 and the check projection B 52 are both located outside the corresponding end of the outer clamping plate 21; as shown in the attached Figure 7 Figure, the end faces of the check projection A 51 and the check projection B 52 corresponding to the side face of the plug body 1 are semi-circular, the end face width matches the width of the motor rear end cover slot 64, and the end face thickness matches the wall thickness of the slot 64.

[0033] The outer wall of the rear end cover 6 corresponding to the outlet plug hole 63 is inserted between the outer arc-shaped clamping plate 21 and the inner arc-shaped clamping plate 22, and the inserted end of the outer wall of the rear end cover 6 is against the end face of the anti-advance boss 23, and the anti-return boss A51 of the outer clamping plate 21 and the anti-return boss B52 are respectively engaged with the slots 64 on both sides of the outer wall of the rear end cover 6, so as to prevent the plug body 1 from tipping over.

[0034] As attached Figure 1 , 2 As shown in Figures 3 and 4, the power strip 4 of the utility model is in a stepped arc shape matching the inner arc-shaped card plate 22, and the power strip 4 includes a square column plug body 41 with a hollow inner cavity arranged in sequence; one end of the square column plug body 41 is a power cord plug port 42 located below the power cord fixing component 3, and the other end of the square column plug body 41 is a terminal post socket 43; the power cord fixing component 3 includes T-shaped elastic card blocks 31 evenly spaced and arranged on the other side of the top of the plug body 1, and a plurality of T-shaped elastic card blocks 31 are arranged in an arc shape; adjacent The gap between the two T-shaped elastic card blocks 31 is a T-shaped power cord slot 32, each T-shaped power cord slot 32 corresponds to a power cord plug-in port 42 below, and the inlet gap of the T-shaped power cord slot 32 is narrower than the inner gap, that is, the inlet gap of the T-shaped power cord slot 32 is narrower than the outer diameter of the power cord, which can prevent the power cord from escaping from the T-shaped power cord slot 32; the outer arc-shaped card plate 21 is flush with the top arc surface of the T-shaped elastic card block 31; in this embodiment, there are 6 square column plug-in bodies 41 and 6 T-shaped power cord slots 32. A clearance through hole 11 is longitudinally arranged in the middle of the plug body 1 below the power cord plug port 42 to facilitate the wire connecting the thermal protector to pass through; the metal wire of the power cord 61 is cold-pressed connected with the terminal 62, and the metal wire of the power cord 61 is inserted into the power cord plug port through the terminal 62, and each terminal socket 43 is plugged with a corresponding terminal 74, so that the power cord 61 is connected with the terminal 74, and the metal wire end of the power cord 61 is cold-pressed connected with the terminal 62, and a pressure contact spring is arranged in the cavity of the terminal 62, and a non-return elastic claw is arranged outside the cavity of the terminal 62. The terminal 74 is connected to the terminal 62 through a pressure contact spring, and the non-return elastic claw is engaged with the clamping groove arranged in the square column plug body 41 to prevent it from returning, and then each corresponding power cord 61 is clamped into the T-shaped power cord clamping groove 32 and extends outward. The lead wire plug can be plugged in after the motor body is produced, avoiding the entanglement of the long lead wires during the production and transfer process; the automatic production of the power lead plug and the motor terminal 74 is realized, which greatly improves the production efficiency and reduces the processing cost.

[0035] Embodiment 2:

[0036] This embodiment is a further improvement on the first embodiment, the plug body 1 is fan-shaped as a whole, and enclosures 12 are respectively arranged on the front side, rear side, lower side of the plug body 1 and the lower outer side of the clearance hole 11. The enclosure 12 on the lower side abuts against the inner side of the side of the outlet plug hole 63 on the bottom wall of the rear end cover, and the enclosures 12 on the front side and rear side of the plug body 1 are flush with the bottom surface of the bottom wall of the rear end cover, making the overall shape beautiful.

[0037] Embodiment three:

[0038] This embodiment is a further improvement on the first and second embodiments. The plug body 1, the motor rear end cover slot, the power cord fixing component 3, the power strip 4 and the snap-on component are integrally formed. The overall material is PA6 hard plastic, which is easy to process and manufacture.

[0039] The utility model has the advantages of simple structure, low cost, convenient and reliable use, and is suitable for motors with tapped speed regulating windings, thus providing a guarantee for the reliability and consistency of automated production, and reliably ensuring the insulation performance quality of the motor to the ground and between the joints.

[0040] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A motor outgoing line plug, characterized in that, It includes a plug body (1), a motor rear end cover slot provided on one side of the plug body (1), a power cord fixing component (3) provided on the other side of the plug body (1), a socket strip (4) provided below the motor rear end cover slot, and a clamping component for clamping and installing with the motor rear end cover at both ends of the motor rear end cover slot; One end of the socket strip (4) is provided below the power cord fixing component (3) and is used for inserting the power cord, and the other end of the socket strip (4) is inserted with a terminal.

2. The motor outgoing line plug according to claim 1, characterized in that, The motor rear end cover slot is integrally arc-shaped and matches the motor rear end cover. The motor rear end cover slot includes an outer arc-shaped clamping plate (21), an inner arc-shaped clamping plate (22) fixedly installed on one side of the top of the plug body (1), and a stop projection (23) provided between the outer arc-shaped clamping plate (21) and the inner arc-shaped clamping plate (22); the inner arc-shaped clamping plate (22) is located below the outer arc-shaped clamping plate (21); the clamping component is provided at both ends of the inner arc surface of the outer arc-shaped clamping plate (21); The socket strip (4) is located below the inner arc-shaped clamping plate (22); The arc length of the outer arc-shaped clamping plate (21) is greater than that of the inner arc-shaped clamping plate (22), and the central angle of the arc of the inner arc-shaped clamping plate (22) is equal to that of the stop projection (23).

3. The motor lead-out plug according to claim 2, characterized in that, The clamping component includes a check stop projection A (51) fixedly provided at one end of the bottom surface of the outer arc-shaped clamping plate (21) and a check stop projection B (52) provided at the other end of the bottom surface of the outer arc-shaped clamping plate (21). Both the check stop projection A (51) and the check stop projection B (52) are located outside the corresponding ends of the outer arc-shaped clamping plate (21); The end faces of the check stop projection A (51) and the check stop projection B (52) corresponding to the side face of the plug body (1) are semi-circular, the width of the end face matches the width of the slot (64) of the motor rear end cover (6), and the thickness of the end face matches the wall thickness of the slot (64).

4. The motor lead-out plug according to claim 2, characterized in that, The socket strip (4) is in a stepped arc shape that matches the inner arc-shaped clamping plate (22). The socket strip (4) includes a square column wire inserting body (41) with a cavity inside. One end of the square column wire inserting body (41) is a power cord inserting port (42) located below the power cord fixing component (3), and the other end of the square column wire inserting body (41) is a terminal socket (43).

5. A motor outgoing line plug according to claim 4, characterized in that, The power cord fixing component (3) includes a number of T-shaped elastic clamping blocks (31) evenly spaced on the other side of the top of the plug body (1), and the number of T-shaped elastic clamping blocks (31) are arranged in an arc shape; The gap between two adjacent T-shaped elastic clamping blocks (31) is a T-shaped power cord slot (32). Each T-shaped power cord slot (32) corresponds to one power cord inserting port (42) below, and the inlet gap of the T-shaped power cord slot (32) is narrower than the outer diameter of the power cord.

6. The motor lead-out plug according to claim 5, characterized in that, The top arc surface of the outer arc-shaped clamping plate (21) is flush with that of the T-shaped elastic clamping block (31).

7. A motor lead-out plug according to claim 5, characterized in that, Both the square column wire inserting body (41) and the T-shaped power cord slot (32) are six in number.

8. A motor lead-out plug according to claim 5, characterized in that, A relief through hole (11) is longitudinally provided in the middle of the plug body (1) below the power cord inserting port (42).

9. The motor lead-out plug according to claim 8, wherein, The plug body (1) is fan-shaped, and a surrounding plate (12) is respectively provided on the front side edge, rear side edge, lower side edge of the plug body (1) and the outer side of the lower part of the relief through hole (11).

10. A motor lead-out plug according to claim 1, characterized in that, The plug body (1), the slot on the rear end cover of the motor, the power cord fixing component (3), the socket strip (4) and the clamping component are integrally formed, and the overall material is PA6 hard plastic.

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