MT connector screw and quick lock compatible structure

Abstract

The application discloses an MT connector screw and quick lock compatible structure. In the application, a back fence structure of a socket shell is designed to facilitate glue sealing, and the IP67 waterproof requirement of a single socket is solved; an integrated glue core of the socket is designed, power glue cores and signal glue cores are integrated on the integrated glue core, the structure is simplified, two parts are saved, the raw material cost is reduced, and the problem of low wiring efficiency of the split socket glue core is solved; a single-piece signal pin structure of the socket is designed, the problem of poor consistency of electrical performance indexes caused by low position precision of the signal pin and deformation of the pin itself is solved; a sealing structure is added at the butt joint surface of the plug and socket shell, single sealing is improved to double sealing, the sealing reliability between the plug and the socket is improved, the single socket of the compatible socket has the IP67 waterproof function, and can be applied to more complex and harsh environments. The back fence is added to facilitate glue sealing, the IP67 waterproof requirement of the single socket is met, and cost reduction and benefit increase are realized.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of MT connector, and particularly relates to an MT connector screw and quick lock compatible structure. BACKGROUND

[0002] There are mainly two kinds of fixing modes of the MT connector plug and socket for the small-power servo motor in the market, one is screw locking, which has the advantages of firm fixation and low loosening probability, and the disadvantage of needing a tool and low assembly efficiency, and is inconvenient to operate when the space is limited; the other is quick lock locking, which has the advantages of simple and convenient operation, no need of a tool, high assembly efficiency and no space influence.

[0003] However, the fixing mode of the MT connector plug and socket has the disadvantage of relatively low firmness compared with the screw locking; due to the advantages and disadvantages, the servo motor manufacturers are difficult to choose, and cannot meet all customer demands, so the application innovatively designs a connector compatible with the screw and the quick lock to solve the problem, and on this basis, innovatively designs a socket integrated rubber core, a single signal pin structure, adds a socket single waterproof fence structure and a sealing structure at the butt joint surface of the plug and socket housings, and solves the existing problems. SUMMARY

[0004] The application aims to solve the above problems, and provides an MT connector screw and quick lock compatible structure.

[0005] The application adopts the technical scheme as follows: an MT connector screw and quick lock compatible structure is composed of a socket, a screw version plug and a quick lock version plug;

[0006] The MT connector screw and quick lock compatible structure comprises a head seat sealing ring one, a head seat sealing ring two, a locking screw, a socket housing, a socket motor sealing ring, a socket rubber core, a signal, a brake female terminal, a socket power terminal, a socket grounding terminal, a metal shielding shell, an integrated rubber core, a plug signal, a brake female terminal, a power female terminal, a tail clamp nut, a wire outlet clamping jaw, a wire outlet sealing ring, a quick lock plug housing, a quick lock plug locking rod, a screw plug housing and a plug screw.

[0007] The head seat sealing ring one, the head seat sealing ring two, the locking screw, the socket housing and the socket motor sealing ring jointly form a matched sealing frame system.

[0008] The head seat sealing ring one, the head seat sealing ring two and the socket motor sealing ring are sleeved on the corresponding grooves of the socket housing.

[0009] The head seat sealing ring two, socket rubber core, signal, public terminal, socket power terminal and socket grounding terminal together constitute the public terminal rubber core assembly contact system, the signal, public terminal is directly pressed into the corresponding plastic hole position of the socket rubber core;

[0010] The socket power terminal and socket grounding terminal are pressed into the corresponding hole position of the socket rubber core.

[0011] In a preferred embodiment, the locking screw is composed of a sealing frame system and a public terminal rubber core assembly system to form a socket, which is connected by a cantilever buckle.

[0012] In a preferred embodiment, the screw plug is composed of a tail clamp nut, a wire clamp jaw, a wire sealing ring, a screw plug shell and a plug screw to form a wire sealing system.

[0013] In a preferred embodiment, the plug screw is installed in the screw through hole of the screw plug shell; the wire is inserted into the corresponding hole position, and the braid on the wire is welded on the welding cup of the metal shielding shell.

[0014] In a preferred embodiment, the fast lock plug lock rod is clamped on the protruding cylinder of the fast lock plug shell, and the tail clamp nut, the wire clamp jaw and the wire sealing ring are preassembled in order.

[0015] In a preferred embodiment, the socket motor sealing ring is composed of a metal shielding shell, an integrated rubber core, a plug signal, a female terminal and a power female terminal to form a female terminal rubber core assembly contact system, the metal shielding shell is preassembled to the corresponding rubber core position, then the plug signal, the female terminal and the power female terminal are riveted, the wire is inserted into the corresponding hole position, and the braid on the wire is welded on the welding cup of the metal shielding shell.

[0016] In a preferred embodiment, the socket rubber core is composed of a wire sealing system and a female terminal rubber core assembly contact system to form a plug, the wire of the female terminal rubber core assembly contact system is first inserted into the corresponding wire hole, and then pressed into the first slot and the second slot.

[0017] In a preferred embodiment, the socket grounding terminal is designed with two locking thread holes beside the root of the fast lock column for locking the screw type plug, and a new screw type plug shell is designed, so that a socket can be matched with two different types of plugs, screw type and fast lock type.

[0018] In a preferred embodiment, the outer surface of the screw plug shell is provided with a back fence around the circumference to facilitate glue filling.

[0019] In a preferred embodiment, the integral rubber core is internally provided with a power supply rubber core, a signal rubber core and a metal buckle to form a rubber core assembly frame, which is now simplified as one part of the integral rubber core; the split type is small in size and not easy to operate, the integral rubber core is more efficient in wire making and easier to assemble, and the production efficiency is improved.

[0020] In summary, due to the adoption of the above technical solutions, the present application has the following advantages:

[0021] 1. In the present application, the back fence structure of the socket shell is designed to facilitate glue sealing, solving the IP67 waterproof requirement of the single socket; the socket integral rubber core is designed, the power supply rubber core and the signal rubber core are integrated on one integral rubber core, simplifying the structure and saving two parts, reducing the raw material cost and solving the problem of low efficiency of split type socket rubber core wire making; the socket single piece type signal pin structure is designed, solving the problem of low position accuracy of the signal pin and poor consistency of the electrical performance index caused by the deformation of the pin itself; the sealing structure at the butt joint surface of the plug and socket shell is designed, improving the single-channel sealing to double-channel sealing and improving the sealing reliability between the plug and the socket.

[0022] 2. In the present application, compared with similar products on the market, the problem of compatibility of screw locking and quick locking for the socket used for small power servo motor is solved; two screw thread holes for screw type plug locking are designed beside the root of the quick locking column, a new screw type plug shell is designed, and a socket can be matched with screw type and quick locking type two different plugs; the compatible socket has IP67 level waterproof function and can be applied to more complex and harsh environments. The back fence is designed to facilitate glue sealing, which can meet the IP67 waterproof requirement of the single socket, realize cost reduction and efficiency increase, save two parts and reduce the raw material cost; the split type is small in size and not easy to operate, the integral rubber core is more efficient in wire making and easier to assemble, and the production efficiency is improved; the problem of easy splitting of the two-piece type signal terminal structure and unstable contact is solved; the signal pin is changed from the two-piece structure to the single-piece structure, the single-piece structure is simple in size and high in precision, the distance between the pins and the position accuracy are more accurate after assembly, and the product has good consistency in electrical performance index; the sealing structure at the butt joint surface of the plug and socket shell is increased, the plug and socket are double-sealed, and the sealing performance between the plug and the socket is more reliable. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the quick locking screw compatible socket of the present application;

[0024] Figure 2 It is an exploded structure schematic diagram of the quick locking screw compatible socket in the present application;

[0025] Figure 3 It is an exploded structure schematic diagram of the screw type plug in the present application;

[0026] Figure 4 The figure is a schematic diagram of the internal core structure of the screw type plug in the application;

[0027] Figure 5 The figure is a schematic diagram of the explosion structure of the quick lock type plug in the application;

[0028] Figure 6 The figure is a schematic diagram of the internal core structure of the quick lock type plug in the application;

[0029] Figure 7 The figure is a schematic diagram of the shell structure of the screw type plug in the application;

[0030] Figure 8 The figure is a schematic diagram of the back structure of the shell of the screw type plug in the application;

[0031] Figure 9 The figure is a schematic diagram of the integrated rubber core structure in the application;

[0032] Figure 10 The figure is a schematic diagram of the structure at the butt joint surface of the plug and socket shell in the application.

[0033] Markings in the figure: 1: head seat sealing ring one, 2: head seat sealing ring two, 3: locking screw, 4: socket shell, 4-a: locking screw hole, 4-b: back fence, 5: socket motor sealing ring, 6: socket rubber core, 7: signal, brake female terminal, 8: socket power terminal, 9: socket ground terminal, 10: metal shielding shell, 11: integrated rubber core, 11-a: slot one, 11-b: slot two, 12: plug signal, brake female terminal, 13: power female terminal, 14: tail clamp nut, 15: outgoing line clamping jaw, 16: outgoing line sealing ring, 17: quick lock plug shell, 18: quick lock plug locking rod, 19: screw plug shell, 20: plug screw. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the application more clear and explicit, the application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the application and do not limit the application.

[0035] Reference Figures 1-10 ,

[0036] An MT connector screw and quick lock compatible structure, the MT connector screw and quick lock compatible structure is composed of a socket, a screw type plug and a quick lock type plug;

[0037] The MT connector screw and quick lock compatible structure comprises a head seat sealing ring 1, a head seat sealing ring 2, a locking screw 3, a socket shell 4, a socket motor sealing ring 5, a socket rubber core 6, a signal and brake male terminal 7, a socket power terminal 8, a socket grounding terminal 9, a metal shielding shell 10, an integrated rubber core 11, a plug signal and brake female terminal 12, a power female terminal 13, a tail clamp nut 14, a wire clamping jaw 15, a wire sealing ring 16, a quick lock plug shell 17, a quick lock plug lock rod 18, a screw plug shell 19 and a plug screw 20.

[0038] The head seat sealing ring 1, the head seat sealing ring 2, the locking screw 3, the socket shell 4 and the socket motor sealing ring 5 jointly constitute a matched sealing frame system.

[0039] The head seat sealing ring 1, the head seat sealing ring 2 and the socket motor sealing ring 5 are sleeved on the corresponding grooves of the socket shell 4.

[0040] The head seat sealing ring 2, the socket rubber core 6, the signal and brake male terminal 7, the socket power terminal 8 and the socket grounding terminal 9 jointly constitute a male terminal rubber core assembly contact system, and the signal and brake male terminal 7 is directly pressed into the corresponding plastic hole position of the socket rubber core 6.

[0041] The socket power terminal 8 and the socket grounding terminal 9 are pressed into the corresponding hole positions of the socket rubber core 6.

[0042] The locking screw 3 constitutes a socket by the matched sealing frame system and the male terminal rubber core assembly system, and is connected by a cantilever buckle. The screw plug is composed of the tail clamp nut 14, the wire clamping jaw 15, the wire sealing ring 16, the screw plug shell 19 and the plug screw 20 to form a wire sealing system.

[0043] The wire on the braid is welded on the welding cup of 10

[0044] The quick lock plug lock rod 18 is clamped on the protruding cylinder of the quick lock plug shell 17, and the tail clamp nut 14, the wire clamping jaw 15 and the wire sealing ring 16 are preassembled in order.

[0045] The socket motor sealing ring 5 constitutes a female terminal rubber core assembly contact system by the metal shielding shell 10, the integrated rubber core 11, the plug signal and brake female terminal 12 and the power female terminal 13, the metal shielding shell 10 is preassembled to the corresponding rubber core position, then the plug signal and brake female terminal 12 and the power female terminal 13 are riveted to the wire and inserted into the corresponding hole position, and the wire on the braid is welded on the welding cup of the metal shielding shell 10.

[0046] The socket rubber core 6 is composed of a wire sealing system and a female terminal rubber core assembly contact system to constitute a plug, the female terminal rubber core assembly contact system wire is first threaded through the corresponding wire outlet hole, and then pressed into the corresponding groove position 11-a and groove position 11-b of 11.

[0047] The socket grounding terminal 9 is designed with two locking screw holes 4-a for locking the screw type plug next to the root of the quick lock column, and a screw type plug shell is designed, so that the socket can be matched with two different plugs of screw type and quick lock type.

[0048] The outer surface of the screw plug shell 19 is provided with a back fence 4-b around the periphery, so as to facilitate the glue sealing

[0049] The inside of the integrated glue core 11 is provided with a glue core assembly frame composed of a power glue core, a signal glue core and a metal buckle, which is simplified as one part of the integrated glue core; the split type is small in size and not easy to operate, the integrated glue core is higher in wiring efficiency and easier to assemble, and the production efficiency is improved.

[0050] In the application, the back fence structure of the socket shell is designed to facilitate the glue sealing, and the IP67 waterproof requirement of the single socket is solved; the integrated glue core of the socket is designed, the power glue core and the signal glue core are integrated on the whole glue core, the structure is simplified, two parts are saved, the raw material cost is reduced, and the problem of low wiring efficiency of the split type socket glue core is solved; the single piece signal pin structure of the socket is designed, the problems of low position precision of the signal pin and poor consistency of the electrical performance index caused by the deformation of the pin itself are solved; the sealing structure at the butt joint surface of the plug and socket shell is designed, and the single channel sealing is improved to double channel sealing, and the sealing reliability between the plug and the socket is improved.

[0051] In the application, compared with similar products on the market, the problem that the socket for small power servo motor cannot be compatible with screw locking and quick lock buckling at the same time is solved; two screw type plug locking screw holes are designed next to the root of the quick lock column, and a screw type plug shell is designed, so that a socket can be matched with two different plugs of screw type and quick lock type; the single socket of the compatible socket has IP67 level waterproof function and can be applied to more complex and harsh environments. The back fence is increased to facilitate the glue sealing, the IP67 waterproof requirement of the single socket can be met, the cost is reduced, two parts are saved, and the raw material cost is reduced; the split type is small in size and not easy to operate, the integrated glue core is higher in wiring efficiency and easier to assemble, and the production efficiency is improved; the problem that the two-piece structure of the signal terminal is easy to split and unstable in contact is solved; the signal pin is changed from the crimped two-piece structure to the welded single-piece structure, the single-piece pin structure is simple in size and high in precision, the distance between the pins and the position degree after assembly are more accurate, and the product electrical performance index is better in consistency; the sealing structure at the butt joint surface of the plug and socket shell is increased, the plug and socket are double sealed, and the sealing performance between the plug and the socket is more reliable.

[0052] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0053] The above examples are merely used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A screw and quick-lock compatible structure for an MT connector, characterized by: The MT connector screw and quick lock compatible structure consists of a socket, a screw version plug and a quick lock version plug; The MT connector screw and quick lock compatible structure includes a head seat sealing ring 1 (1), a head seat sealing ring 2 (2), a locking screw (3), a socket shell (4), a socket motor sealing ring (5), a socket rubber core (6), a signal and brake male terminal (7), a socket power terminal (8), a socket grounding terminal (9), a metal shielding shell (10), an integrated rubber core (11), a plug signal and brake female terminal (12), a power female terminal (13), a tail clamp nut (14), an outlet claw (15), an outlet sealing ring (16), a quick lock plug shell (17), a quick lock plug locking rod (18), a screw plug shell (19) and a plug screw (20); The head seat sealing ring 1 (1), the head seat sealing ring 2 (2), the locking screw (3), the socket shell (4) and the socket motor sealing ring (5) together constitute a matching sealing frame system; The head seat sealing ring 1 (1), the head seat sealing ring 2 (2) and the socket motor sealing ring (5) are sleeved on the corresponding grooves of the socket shell (4); The second headstock sealing ring (2), the socket rubber core (6), the signal and brake male terminals (7), the socket power terminal (8) and the socket ground terminal (9) together constitute the male terminal rubber core component contact system, and the signal and brake male terminals (7) are directly pressed into the corresponding plastic holes of the socket rubber core (6); The socket power terminal (8) and the socket ground terminal (9) are pressed into corresponding holes of the socket rubber core (6).

2. The MT connector screw and quick-lock compatible structure according to claim 1, characterized in that: The locking screw (3) is composed of a matching sealing frame system and a male terminal rubber core component system to form a socket, which is connected by a cantilever buckle.

3. The screw and quick-lock compatible structure of an MT connector according to claim 1, characterized in that: The screw plug is composed of a tail clamp nut (14), a wire outlet claw (15), a wire outlet sealing ring (16), a screw plug shell (19) and a plug screw (20) to form a wire sealing system.

4. The screw and quick-lock compatible structure of an MT connector according to claim 1, characterized in that: The plug screw (20) is installed in the screw through hole of the screw plug shell (19), and the wire is inserted into the corresponding hole position, and then the braiding on the wire is welded to the welding cup 10.

5. The MT connector screw and quick lock compatible structure according to claim 1, characterized in that: The quick-lock plug locking rod (18) is clamped on the raised cylinder of the quick-lock plug housing (17), and the tail clamp nut (14), the outlet clamping claw (15) and the outlet sealing ring (16) are pre-assembled in sequence.

6. The MT connector screw and quick lock compatible structure according to claim 1, characterized in that: The socket motor sealing ring (5) is composed of a metal shielding shell (10), an integrated rubber core (11), a plug signal, a brake female terminal (12) and a power female terminal (13) to form a female terminal rubber core component contact system. The metal shielding shell (10) is pre-installed at the corresponding rubber core position, and then the plug signal, the brake female terminal (12) and the power female terminal (13) are riveted with wires and inserted into the corresponding hole positions, and then the braid on the wire is welded to the welding cup of the metal shielding shell (10).

7. The MT connector screw and quick lock compatible structure according to claim 1, characterized in that: The socket rubber core (6) is composed of a wire sealing system and a female terminal rubber core assembly contact system to form a plug. The wires of the female terminal rubber core assembly contact system are first passed through the corresponding outlet holes and then pressed into the corresponding slots 1 (11-a) and 11-b.

8. The MT connector screw and quick lock compatible structure according to claim 1, characterized in that: The socket grounding terminal (9) is designed with two locking threaded holes (4-a) for screw-type plugs to be locked next to the base of the quick-lock column. A new screw-type plug shell is designed, and one socket can be matched with two different types of plugs, screw-type and quick-lock type.

9. The MT connector screw and quick lock compatible structure according to claim 1, characterized in that: A back fence (4-b) is provided around the outer surface of the screw plug housing (19) to facilitate glue filling.

10. The MT connector screw and quick lock compatible structure according to claim 1, characterized in that: The integrated rubber core (11) is provided with a power supply rubber core, a signal rubber core and a metal buckle to form a rubber core component frame, which is now simplified into one integrated rubber core part; the split type is small in size and not easy to operate, and the integrated rubber core has higher wiring efficiency and is easier to assemble, thereby improving production efficiency.

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