Low-power signal screw compatible with quick lock structure

Abstract

The application provides a low-power signal screw and fast lock compatible structure in the field of electrical connection, which comprises a socket, a motor rear cover, a fast lock type plug and a screw type plug, the fast lock type plug and the screw type plug are connected with the socket one by one in a one-to-one correspondence, and the socket is fixed on the motor rear cover; the motor rear cover comprises a cover body, a fixing seat, a cantilever and a through hole, the fixing seat is connected to the cover body, the socket is fixed in the middle of the fixing seat, the fixing seat is provided with the cantilever and the through hole on both sides, the fast lock type plug is locked on the socket through the cantilever, and the screw type plug is locked on the socket through the cooperation of the through hole and a nut. The socket is compatible with the fast lock type plug and the screw type plug at the same time through the cantilever and the nut, the socket is inverted and fixed on the motor rear cover to form an integrated structure, the cost is low, the efficiency is high, the single-piece socket male terminal is adopted to make the head part of the socket without gaps, the guidance is better, and the structure is stronger; the signal shielding sheet is cast on the motor rear cover, and the signal shielding of the motor and the motor rear cover is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of electrical connection, in particular, to a small power signal screw and fast lock compatible structure. BACKGROUND

[0002] The existing market small power servo motor uses signal connector plug and socket fixing mode mainly divided into two kinds, one is through the screw locking, by two or 4 M2 screw plug and socket locking fixed, the advantage is fixed more firm, not easy to loose, the shortcoming needs the tool, assembly efficiency is low, in some equipment space is small when not convenient operation, another kind is fast lock type locking, plug and socket is buckled on the cantilever of the plug by using a lock rod, simple and convenient operation, no tool, artificial one buckle can, assembly efficiency is high, not affected by space, the shortcoming is compared with screw locking relatively not so firm, because each has advantages and disadvantages, makes the servo motor manufacturer difficult to decide, can't meet all customer demand.

[0003] Through the existing technology patent document retrieval, China invention patent publication No. CN216850635U discloses a stable panel socket, belongs to panel socket technical field, effectively improves the use convenience and fixed stability of panel socket, through the cooperation of conductive sheet and spring, when using, the panel socket can stably fix the plug, avoid the plug loose, cause unstable power connection, affect the use of electrical appliances. Including the bottom side of the positioning plate is provided with a threaded hole, the threaded hole is internally threaded connected with a screw, one side of the positioning plate is connected with a socket body, the inside of the socket body is connected with a fixed plate, one side of the fixed plate is fixedly connected with a top block, the other side of the fixed plate is fixedly installed with a plug, the inside of the plug is provided with a sliding slot on one side, the sliding slot is internally connected with a sliding rod. Therefore, the document and the method introduced in the present application belong to different invention concepts. SUMMARY

[0004] In view of the defects in the prior art, the purpose of the present application is to provide a small power signal screw and fast lock compatible structure.

[0005] According to the small power signal screw and fast lock compatible structure provided by the present application, the socket, the motor rear cover, the fast lock type plug and the screw type plug are connected one by one, the socket is fixed on the motor rear cover;

[0006] The motor rear cover includes a cover body, a fixed seat, a cantilever and a through hole, the fixed seat is connected to the cover body, the socket is fixed in the middle of the fixed seat, the fixed seat is provided with a cantilever and a through hole on both sides, the fast lock type plug is locked on the socket through the cantilever, and the screw type plug is locked on the socket through the cooperation of the through hole and the nut.

[0007] In some embodiments, the motor rear cover is provided with a signal shielding sheet, one end of the signal shielding sheet is connected to the motor shell, and the other end of the signal shielding sheet is connected to the socket.

[0008] In some embodiments, a fixing hole is arranged on one end of the signal shielding sheet, the fixing hole is connected to the connecting hole on the motor rear cover, a welding cup is arranged on the other end of the signal shielding sheet, and the welding cup is located inside the motor rear cover.

[0009] In some embodiments, the shielding terminal wire led out of the socket is welded on the welding cup, the motor rear cover is connected to the motor through screws, the screws pass through the fixing hole and the connecting hole respectively, and the signal shielding sheet is connected to the motor shell through the screws.

[0010] In some embodiments, the socket comprises a socket cover plate, a first sealing ring, a socket male terminal, a socket shell, and a second sealing ring, the socket cover plate is connected to one end of the socket shell, and the socket male terminal is connected to the socket cover plate and located inside the socket shell.

[0011] The first sealing ring is arranged between one end of the socket shell and the fixing seat, and the second sealing ring is arranged between the other end of the socket shell and the quick-lock plug or the screw plug.

[0012] In some embodiments, the socket male terminal is stamped from a single piece of plate material.

[0013] In some embodiments, the through hole is located on one diagonal line of the fixing seat.

[0014] In some embodiments, the quick-lock plug comprises a quick-lock plug shell and a quick-lock plug locking rod, the quick-lock plug locking rod is connected to the quick-lock plug shell, and the outer wall of the quick-lock plug locking rod is clamped to the inner wall of the cantilever.

[0015] The side of the quick-lock plug shell is provided with a cylinder and a groove, the groove is connected to the cylinder, the side of the quick-lock plug locking rod is provided with a hole, a first protrusion, and a third protrusion, the cylinder is connected to the hole, so that the quick-lock plug locking rod rotates along the center of the cylinder, the quick-lock plug locking rod is positioned by cooperation of the groove and the first protrusion, and the third protrusion is connected to the protrusion on the cantilever in a staggered manner.

[0016] The top of the quick-lock plug shell is provided with a rib, the top of the quick-lock plug locking rod is provided with a second protrusion, and the quick-lock plug locking rod is locked to the quick-lock plug shell by cooperation of the second protrusion and the rib.

[0017] In some embodiments, the screw plug comprises a screw plug shell and a plug screw, the plug screw is located on both sides of the screw plug shell, and the plug screw is connected to the nut in a one-to-one manner.

[0018] The screw plug is locked to the socket by cooperation of the plug screw and the nut.

[0019] In some embodiments, the quick-lock type plug and the screw type plug further comprise a plug rubber core, a plug female terminal, a tail clamp nut, a wire outlet clamping jaw and a wire outlet sealing ring.

[0020] The plug rubber core and the plug female terminal are sequentially connected to the inner surfaces of the quick-lock plug shell and the screw plug shell, the wire outlet clamping jaw is sleeved on the outer wall of the wire outlet sealing ring, and the wire outlet clamping jaw is connected to the bottom of the quick-lock plug shell and the screw plug shell through the tail clamp nut.

[0021] Compared with the prior art, the present application has the following beneficial effects:

[0022] The present application simultaneously supports the quick-lock type plug and the screw type plug through the cantilever and the nut, forms an integrated structure by inversely inserting the socket on the motor rear cover, has low cost and high efficiency, adopts the single-piece socket male terminal to make the head part have no gap, has better guidance and stronger structure, pours the signal shielding sheet on the motor rear cover, communicates with the motor through the screw, and facilitates the signal shielding of the motor and the motor rear cover. BRIEF DESCRIPTION OF DRAWINGS

[0023] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0024] Figure 1 It is an exploded view of the socket and the motor rear cover of the present application;

[0025] Figure 2 It is a structural schematic view of the socket and the motor rear cover of the present application;

[0026] Figure 3 It is a structural schematic view of the motor rear cover of the present application;

[0027] Figure 4 It is an exploded view of the quick-lock type plug of the present application;

[0028] Figure 5 It is a partial structural schematic view of the quick-lock type plug of the present application;

[0029] Figure 6 It is a side view of the quick-lock type plug of the present application;

[0030] Figure 7 It is a structural schematic view of the quick-lock type plug of the present application;

[0031] Figure 8 It is an exploded view of the screw type plug of the present application.

[0032] Reference signs in the drawings:

[0033] Socket 100, quick lock plug 200, screw plug 300, signal shielding sheet 1, welding cup 101, motor rear cover 2, cover body 21, fixing seat 22, cantilever 23, through hole 24, nut 3, socket cover plate 4, first sealing ring 5, socket male terminal 6, socket shell 7, second sealing ring 8, plug rubber core 9, plug female terminal 10, tail clamp nut 11, wire outlet clamping jaw 12, wire outlet sealing ring 13, quick lock plug shell 14, quick lock plug locking rod 15, screw plug shell 16, plug screw 17, cylinder 201, groove 202, hole 203, first protrusion 204, second protrusion 205, third protrusion 206, rib 207. DETAILED DESCRIPTION

[0034] The application will be described in detail below with specific embodiments. The following examples will help those skilled in the art to further understand the application, but do not limit the application in any form. It should be noted that for those skilled in the art, without departing from the concept of the application, a number of changes and improvements can be made. These are within the scope of the present application.

[0035] Example 1

[0036] A small power signal screw and quick lock compatible structure, as shown in Figures 1-8 , including socket 100, motor rear cover 2, quick lock plug 200 and screw plug 300, quick lock plug 200 and screw plug 300 are connected one by one with socket 100, and socket 100 is fixed on motor rear cover 2.

[0037] As shown in Figures 1-2 , the motor rear cover 2 includes cover body 21, fixing seat 22, cantilever 23 and through hole 24, the fixing seat 22 is connected to the cover body 21, the socket 100 is inverted and pressed into the middle of the fixing seat 22, and is fixed in the fixing seat 22 through the inverted structure on the socket 100, realizing the fixation of the socket 100 and the motor rear cover 2. The fixing seat 22 is provided with cantilever 23 and through hole 24 on both sides, the quick lock plug 200 is locked on the socket 100 through the cantilever 23, and the screw plug 300 is locked on the socket 100 through the cooperation of the through hole 24 and the nut 3. Preferably, the two through holes 24 are located on one diagonal line of the fixing seat 22.

[0038] As shown in Figures 1-2As shown, the motor rear cover 2 is cast with a signal shielding sheet 1, one end of the signal shielding sheet 1 is provided with a fixing hole, the fixing hole is connected with a connecting hole on the motor rear cover 2; the other end of the signal shielding sheet 1 is provided with a welding cup 101, the welding cup 101 is located inside the motor rear cover 2. The shielding terminal wire led out of the socket 100 is welded on the welding cup 101, the motor rear cover 2 is connected on the motor through the screws, the screws pass through the fixing hole and the connecting hole respectively, and the signal shielding sheet 1 is connected with the motor shell through the screws.

[0039] The socket 100 comprises a socket cover plate 4, a first sealing ring 5, a socket male terminal 6, a socket shell 7 and a second sealing ring 8, the socket cover plate 4 is connected on one end of the socket shell 7, and the socket male terminal 6 is connected on the socket cover plate 4 and located inside the socket shell 7. Preferably, the socket male terminal 6 is stamped by a single piece of plate material, so that the head part has no gap and the guidance is better, and the single piece structure makes the terminal stronger. The first sealing ring 5 is arranged between one end of the socket shell 7 and the fixing base 22, so as to effectively prevent water. The second sealing ring 8 is arranged between the other end of the socket shell 7 and the quick-lock type plug 200 or the screw type plug 300, so as to improve the sealing performance.

[0040] Example 2

[0041] This embodiment 2 is completed on the basis of the embodiment 1, the quick-lock type plug 200 is fixed and protected by the three convex points, so that the quick-lock type plug 200 will not be loosened due to vibration, and the specific structure is as follows:

[0042] As shown in the figure, Figure 4 The quick-lock type plug 200 comprises a quick-lock plug shell 14 and a quick-lock plug lock rod 15, the quick-lock plug lock rod 15 is connected on the quick-lock plug shell 14, and the outer wall of the quick-lock plug lock rod 15 is clamped on the inner wall of the cantilever 101.

[0043] As shown in the figure, Figures 5-7 The side edge of the quick-lock plug shell 14 is provided with a cylinder 201 and a groove 202, the groove 202 is connected with the cylinder 201, and the top of the quick-lock plug shell 14 is provided with a rib 207. The side edge of the quick-lock plug lock rod 15 is respectively provided with a hole 203, a first convex point 204 and a third convex point 206, and the top of the quick-lock plug lock rod 15 is provided with a second convex point 205.

[0044] The cylinder 201 is connected in the hole 203, so that the quick-lock plug lock rod 15 rotates along the center of the cylinder 201, and the quick-lock plug lock rod 15 is positioned by the cooperation of the groove 202 and the first convex point 204. The quick-lock plug lock rod 15 is locked on the quick-lock plug shell 14 through the cooperation of the second convex point 205 and the rib 207, and the second convex point 205 and the rib 207 form a holding force after being locked, so as to prevent the quick-lock plug lock rod 15 from automatically retreating. As Figure 3As shown, when the quick-lock type plug 200 is inserted into the socket 100, the third protrusion 206 is connected with the protrusion 231 on the cantilever 23 in a staggered manner, and after buckling, it can also prevent back-off, and the quick-lock plug locking rod 15 cannot be shaken off during the movement of the motor.

[0045] The quick-lock type plug 200 further comprises a plug rubber core 9, a plug female terminal 10, a tail clamp nut 11, a wire outlet clamping jaw 12 and a wire outlet sealing ring 13; the plug rubber core 9 and the plug female terminal 10 are sequentially connected to the inner surface of the quick-lock plug shell 14, the wire outlet clamping jaw 12 is sleeved on the outer wall of the wire outlet sealing ring 13, and the wire outlet clamping jaw 12 is connected to the bottom of the quick-lock plug shell 14 through the tail clamp nut 11. Among them, the tail clamp nut 11, the wire outlet clamping jaw 12 and the wire outlet sealing ring 13 are hollow, which is convenient for wire harness assembly.

[0046] More specifically, through the cooperation of the groove 202 and the first protrusion 204, the locking state and the open state of the quick-lock plug locking rod 15 are positioned, and during on-site assembly, as long as the wire harness of the prepared quick-lock type plug 200 is pressed downward in the direction corresponding to the socket 100, and after being in place, the quick-lock plug locking rod 15 is pulled to the direction parallel to the socket 100, the quick-lock type plug 200 and the socket 100 can be locked, which is very quick and convenient.

[0047] Example 3

[0048] This embodiment 3 is completed on the basis of embodiment 1, and through the cooperation of the plug screw 17 and the nut 3, the screw type plug 300 is fixed on the socket 100, and specifically:

[0049] As Figure 8 shown, the screw type plug 300 comprises a screw plug shell 16 and a plug screw 17, the plug screw 17 is located on both sides of the screw plug shell 16, and the plug screw 17 is connected with the nut 3 one by one; the screw type plug 300 is locked on the socket 100 through the cooperation of the plug screw 17 and the nut 3. Two plug screws 17 are located on one diagonal line of the screw plug shell 16. The screw plug shell 16 is provided with a protrusion on both sides, and the protrusion is clamped on the cantilever 101.

[0050] The screw type plug 300 further comprises a plug rubber core 9, a plug female terminal 10, a tail clamp nut 11, a wire outlet clamping jaw 12 and a wire outlet sealing ring 13; the plug rubber core 9 and the plug female terminal 10 are sequentially connected to the inner surface of the screw plug shell 16, the wire outlet clamping jaw 12 is sleeved on the outer wall of the wire outlet sealing ring 13, and the wire outlet clamping jaw 12 is connected to the bottom of the screw plug shell 16 through the tail clamp nut 11. Among them, the tail clamp nut 11, the wire outlet clamping jaw 12 and the wire outlet sealing ring 13 are hollow, which is convenient for wire harness assembly.

[0051] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like refer to the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the present application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0052] The specific embodiments of the present application are described above. It should be understood that the present application is not limited to the above specific embodiments, and various changes or modifications can be made by those skilled in the art within the scope of the claims, which do not affect the essential content of the present application. The embodiments of the present application and the features in the embodiments can be arbitrarily combined with each other without conflict, provided that the combinations do not conflict.

Claims

1. A low-power signal screw and quick-lock compatible structure, characterized in that, It includes a socket (100), a motor rear cover (2), a quick-lock plug (200), and a screw plug (300). The quick-lock plug (200) and the screw plug (300) are respectively connected to the socket (100) one by one. The socket (100) is fixed on the motor rear cover (2). The motor rear cover (2) includes a cover body (21), a fixing base (22), a cantilever (23), and a through hole (24). The fixing base (22) is connected to the cover body (21). The socket (100) is fixed upside down in the middle of the fixing base (22). The fixing base (22) has cantilever (23) and through hole (24) on both sides. The quick-lock plug (200) is locked to the socket (100) through the cantilever (23). The screw plug (300) is locked to the socket (100) through the cooperation of the through hole (24) and the nut (3).

2. The low-power signal screw and quick-lock compatible structure according to claim 1, characterized in that, The motor rear cover (2) is provided with a signal shielding plate (1), one end of which is connected to the motor housing, and the other end of which is connected to the socket (100).

3. The low-power signal screw and quick-lock compatible structure according to claim 2, characterized in that, The signal shield (1) has a fixing hole at one end, which is connected to the connection hole on the motor rear cover (2); the signal shield (1) has a solder cup (101) at the other end, which is located inside the motor rear cover (2).

4. The low-power signal screw and quick-lock compatible structure according to claim 3, characterized in that, The shielding terminal wires leading out from the socket (100) are soldered to the solder cup (101). The motor rear cover (2) is connected to the motor by screws. The screws pass through the fixing hole and the connecting hole respectively. The signal shielding plate (1) is connected to the motor housing by screws.

5. The low-power signal screw and quick-lock compatible structure according to claim 1, characterized in that, The socket (100) includes a socket cover (4), a first sealing ring (5), a socket male terminal (6), a socket outer shell (7), and a second sealing ring (8). The socket cover (4) is connected to one end of the socket outer shell (7), and the socket male terminal (6) is connected to the socket cover (4) and placed inside the socket outer shell (7). The socket housing (7) is provided with a first sealing ring (5) between one end and the fixing base (22), and the socket housing (7) is provided with a second sealing ring (8) between the other end and the quick-lock plug (200) or the screw plug (300).

6. The low-power signal screw and quick-lock compatible structure according to claim 5, characterized in that, The male terminal (6) of the socket is made of a single piece of sheet metal stamping.

7. The low-power signal screw and quick-lock compatible structure according to claim 5, characterized in that, The through hole (24) is located on a diagonal of the fixing base (22).

8. The low-power signal screw and quick-lock compatible structure according to claim 1, characterized in that, The quick-lock plug (200) includes a quick-lock plug housing (14) and a quick-lock plug locking rod (15). The quick-lock plug locking rod (15) is connected to the quick-lock plug housing (14), and the outer wall of the quick-lock plug locking rod (15) is snapped onto the inner wall of the cantilever (23). The quick-lock plug housing (14) has a cylinder (201) and a groove (202) on its side. The groove (202) is connected to the cylinder (201). The quick-lock plug locking rod (15) has a hole (203), a first protrusion (204) and a third protrusion (206) on its side. The cylinder (201) is connected to the hole (203), so that the quick-lock plug locking rod (15) rotates along the center of the cylinder (201). The quick-lock plug locking rod (15) is positioned by the groove (202) and the first protrusion (204). The third protrusion (206) is misaligned with the protrusion (231) on the cantilever (23). The quick-lock plug housing (14) has a rib (207) on the top and a second protrusion (205) on the top of the quick-lock plug locking rod (15). The quick-lock plug locking rod (15) is locked onto the quick-lock plug housing (14) by the cooperation of the second protrusion (205) and the rib (207).

9. The low-power signal screw and quick-lock compatible structure according to claim 1, characterized in that, The screw-type plug (300) includes a screw plug housing (16) and a plug screw (17). The plug screw (17) is located on both sides of the screw plug housing (16), and the plug screw (17) is connected to the nut (3) in a one-to-one correspondence. The screw-type plug (300) is locked onto the socket (100) by the cooperation of the plug screw (17) and the nut (3).

10. The low-power signal screw and quick-lock compatible structure according to claim 8 or 9, characterized in that, The quick-lock plug (200) and the screw plug (300) also include a plug core (9), a plug female terminal (10), a tail clip nut (11), a wire exit claw (12), and a wire exit sealing ring (13); The plug core (9) and the plug female terminal (10) are sequentially connected to the inner surface of the quick-lock plug housing (14) or the screw plug housing (16). The cable exit claw (12) is sleeved on the outer wall of the cable exit sealing ring (13). The cable exit claw (12) is connected to the bottom of the quick-lock plug housing (14) and the screw plug housing (16) through the tail clip nut (11).

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