Safety plug-in type connector structure

Abstract

The utility model relates to the technical field of joints, and discloses a safe plug-in type joint structure which comprises a shell, two clamping plates are arranged at the rear end of the shell, sheaths are fixedly connected to the upper end and the lower end of the interior of the shell, an EMC elastic piece is arranged at one end of each sheath, a main body is installed at the bottom of each sheath, and a plug-in type plug-in type joint is installed on the main body. The front end of one main body is fixedly connected with a plurality of terminals, the bottom of the main body is provided with a positioning block, the positioning block is internally provided with two Chinese character'zhong 'holes, one end of the positioning block is fixedly connected with a clamping groove hook I, one end of the positioning block is fixedly connected with a clamping hook, and the top of the other main body is fixedly connected with a Chinese character'zhong' table. According to the utility model, the clamping hook and the main body are positioned and matched in the shape of the Chinese character'zhong ', the contact area is enlarged, the stable plugging force, excellent crosstalk resistance and stable characteristic impedance are ensured, the U-shaped and elastic sheet type design of the clamping hook is convenient for PCBA welding and fixing, the plugging service life is prolonged, and the compressive strength of the PCB is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of joint, especially a safe plug-in joint structure. BACKGROUND

[0002] The plug-in joint structure is a key component for connecting various lines, and can realize electrical signal or power transmission between electrical equipment, such as the connection of household appliance plug and socket, and the butt joint of industrial equipment lines. Through the plug-in and plug-out mode, the connection can be quickly established or disconnected, the installation and maintenance process is simplified, and the plug-in joint structure is widely used in many fields such as electronics, electric power and communication.

[0003] The safe plug-in joint is composed of a plug and a socket, the pin of the plug is accurately matched with the socket, and electrical connection is realized. The principle is based on the contact conduction of the conductor to conduct current, and the safety is guaranteed by wrapping the insulating material.

[0004] In the prior art, during the use of the plug-in joint, if the latch does not match well during the plug-in and plug-out of the plug, the plug-in and plug-out stability and accuracy will be affected. The signal is easy to crosstalk, the communication quality is reduced, the PCBA is not fixed firmly, the service life is reduced, the EMC shielding is insufficient, the interference is easy to occur, the design defect of the shell increases the cost and electrical risk, and the overall performance and reliability are affected. Therefore, a safe plug-in joint structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a safe plug-in joint structure, which aims at improving the problem that the plug-in and plug-out stability and accuracy are affected during the use of the plug in the prior art, and the signal is easy to crosstalk, which reduces the communication quality.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A safe plug-in joint structure, comprising a shell, two clamping plates are formed in the rear end of the shell, a sheath is fixedly connected to the upper and lower ends in the shell, an EMC spring plate is formed in one end of the sheath, a main body is installed at the bottom of the sheath, a plurality of terminals are fixedly connected to the front end of the main body, a positioning block is installed at the bottom of the main body, two Chinese character holes are formed in the inside of the positioning block, a clamping groove hook one is fixedly connected to one end of the positioning block, a latch is fixedly connected to one end of the positioning block, another main body is fixedly connected to the top of the main body, a stable block is fixedly connected to the top of one main body, two link blocks are fixedly connected to the top of one main body, a circular table is fixedly connected to the top of one main body, and a positioning assembly is fixedly connected to the inside of the sheath.

[0008] As a further description of the above technical scheme:

[0009] The positioning assembly comprises a protruding block, one end of the protruding block is fixed at one end of the top of the other sheath, two positioning holes are arranged in the interior of the sheath, a square hole one is arranged at one end of the sheath, two square hole twos are arranged at one end of the other sheath, a recessed groove table is arranged at one end of the top of the sheath, and a plurality of through holes are arranged in the interior of the EMC elastic sheet;

[0010] As a further description of the above technical solution:

[0011] One end of the positioning block is fixedly connected with an end head, and one end of the positioning block is fixedly connected with a clamping groove hook two.

[0012] As a further description of the above technical solution:

[0013] One end of the other main body is fixedly connected with a mounting table, the top of the mounting table is fixedly connected with a protruding table, and one end of the mounting table is fixedly connected with a chamfer.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1、The utility model discloses a "middle" shape positioning cooperation of clamping hook and main body, expands the contact area, ensures that the plug-in force is stable, prevents the left and right deviation of clamping hook, and the signal Pin communication reflection surface is optimized to metal, and the anti -aliasing performance is excellent, and the characteristic impedance is stable, and the clamping hook "U" shape and the elastic sheet type design are convenient for PCBA welding fixed, enhance the plug-in life and PCB pressure -resisting strength. The EMC elastic sheet is integrally formed with the sheath, enhances shielding and anti -interference ability, avoids various electrical risks, and the shell design not only promotes the pressure -resisting strength, reduces the ground impedance, but also can save the cost, ensures high -frequency characteristic stability. DRAWINGS

[0016] Figure 1 A three-dimensional schematic view of a safe plug-in connector structure is provided for the utility model;

[0017] Figure 2 A structure schematic view of the clamping hook of the safe plug-in connector structure is provided for the utility model;

[0018] Figure 3 A structure schematic view of the square hole one of the safe plug-in connector structure is provided for the utility model;

[0019] Figure 4 A structure schematic view of the protruding block of the safe plug-in connector structure is provided for the utility model;

[0020] Figure 5 A structure schematic view of the link block of the safe plug-in connector structure is provided for the utility model;

[0021] Figure 6 A structure diagram of a through hole of a safe plug-in connector structure is provided in the utility model.

[0022] Figure 7 A structure diagram of a middle table of a safe plug-in connector structure is provided in the utility model.

[0023] Figure 8 A structure diagram of a terminal of a safe plug-in connector structure is provided in the utility model.

[0024] Figure 9 A structure diagram of a boss of a safe plug-in connector structure is provided in the utility model.

[0025] Figure 10 A structure diagram of a clamp plate of a safe plug-in connector structure is provided in the utility model.

[0026] Legend:

[0027] 1, sheath; 11, positioning hole; 12, square hole one; 13, square hole two; 14, protruding block; 15, recessed groove table; 2, EMC elastic sheet; 21, through hole; 3, terminal; 31, end; 4, shell; 41, clamp plate; 5, clamping hook; 51, middle hole; 52, positioning block; 53, clamping groove hook one; 54, clamping groove hook two; 6, main body; 61, middle table; 62, stabilizing block; 63, connecting block; 64, circular table; 65, boss; 66, mounting table; 67, chamfer. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] With reference to Figures 1 to 3 The utility model provides an embodiment: a safe plug-in connector structure, including shell 4, shell 4 is as the external protection structure of whole connector, provides protection and support for internal component, the rear end of shell 4 is equipped with two clamp plates 41, clamp plate 41 can enhance the stability of connector and circuit board connection in subsequent welding etc. operation, the inside upper and lower end of shell 4 is fixedly connected with sheath 1, sheath 1 not only plays the role of insulation, but also provides positioning and installation base for other internal components.

[0030] With reference to Figures 6 to 8, The end of the sheath 1 is provided with an EMC spring piece 2, the EMC spring piece 2 can effectively enhance the electromagnetic shielding effect, reduce the influence of electromagnetic interference on signal transmission, the bottom of the sheath 1 is provided with a main body 6, the main body 6 is the core bearing component of the whole connector structure, the front end of the main body 6 is fixedly connected with a plurality of terminals 3, the terminals 3 are responsible for realizing electrical connection, the bottom of the main body 6 is provided with a positioning block 52, the positioning block 52 plays a precise positioning role on the installation position of the main body 6, the inside of the positioning block 52 is provided with two Chinese character holes 51, the Chinese character holes 51 can increase the stability of mutual installation of the device, one end of the positioning block 52 is fixedly connected with a clamping groove hook one 53, the clamping groove hook one 53 can be clamped with other components, and the stability of connection is enhanced, one end of the positioning block 52 is fixedly connected with a clamping hook 5, the clamping hook 5 plays an auxiliary fixing and connecting role in the overall structure, the top of the other main body 6 is fixedly connected with a Chinese character table 61, the Chinese character table 61 is correspondingly matched with the Chinese character hole 51 on the positioning block 52, to realize more stable connection and positioning between the main body 6 and the positioning block 52, the top of one main body 6 is fixedly connected with a stabilizing block 62, the stabilizing block 62 can enhance the stability of the top structure of the main body 6, the top of one main body 6 is fixedly connected with two link blocks 63, the two link blocks 63 are used for linking with other related components, so that the connection of the whole structure is more compact and reasonable, the top of one main body 6 is fixedly connected with a circular table 64, the circular table 64 plays an auxiliary role of guiding or positioning when cooperating with other components.

[0031] Referring to Figures 3 to 5 The inside of the sheath 1 is fixedly connected with a positioning assembly, the positioning assembly comprises a protruding block 14, one end of the protruding block 14 is fixed to the top end of the other sheath 1, the protruding block 14 can enhance the connection stability between the two sheaths 1, the inside of the sheath 1 is provided with two positioning holes 11, the positioning holes 11 can be matched with the positioning pin structure and the like on other components, one end of the sheath 1 is provided with a square hole one 12, one end of the other sheath 1 is provided with two square hole twos 13, the square hole one 12 and the square hole two 13 can facilitate installation, one end of the top of the sheath 1 is provided with a recess table 15, the recess table 15 can be used for installing a specific small component or for weight reduction, a plurality of through holes 21 are formed in the inside of the EMC spring piece 2, on the one hand, the through holes 21 can reduce the weight of the spring piece.

[0032] Referring to Figures 8 to 10 One end of the positioning block 52 is fixedly connected with an end 31, the end 31 can transmit electric energy, one end of the positioning block 52 is fixedly connected with a clamping groove hook two 54, the clamping groove hook two 54 is similar to the clamping groove hook one 53, and further enhances the firmness of the connection between the positioning block 52 and other components, one end of the other main body 6 is fixedly connected with a mounting table 66, the top of the mounting table 66 is fixedly connected with a boss 65, the mounting table 66 can play a fixing role for the boss 65, one end of the mounting table 66 is fixedly connected with a chamfer 67, and the chamfer 67 can play a clamping role.

[0033] Working principle: two "middle" holes 51 are designed at the hook 5 and are positioned and matched with the "middle" convex column 65 at the main body 6, the "middle" shape matching area is increased, so that the hook assembly will not be left and right deviation after assembly, the insertion and extraction force is stable, the signal Pin at the end 31 is avoided by the card slot hook one 53 and the card slot hook two 54, the signal Pin communication reflection surface is metal, the anti-crosstalk is better than the reflection surface of plastic, the characteristic impedance is more stable, the positioning block 52 is designed as "U" shape structure and is matched with PCBA, the positive and negative surfaces are welded to better fix PCBA, the card slot hook one 53 is designed as spring type, the hook spring type structure has good compatibility with the plug-in force, the plug-in force is small for the clamping piece in the female seat, the plug-in life is enhanced, the double-sided clamping plate 41 is also welded to enhance the compression strength of the PCB and the plug, the broken head is not easy, the EMC spring 2 is lengthened as a whole, the shielding effect and anti-crosstalk ability are effectively enhanced, the EMC spring 2 and the sheath 1 are integrally injection molded, effectively preventing EMC deformation and structure 0.18 size more stability; the frame opening size variation is small after SMT furnace, the SMT process can not be added to the plug processing; the sheath 1 uses MD structure to increase the thickness specification of the tail (such as two point four, three point zero, three point two, three point six mm), the cost is low, the time is short; the sheath 1 MD full sealing structure also solves the risk of short circuit and high pressure failure of the end 31 and the shell 4; the hook built-in assembly structure avoids the short circuit or high voltage / insulation risk of the external structure and the upper and lower end 31, the sheath 1 is designed with two positioning holes 11, two side holes one 12, two side holes two 13, stable block 62, link block 63, round table 64 of the main body 6 are positioned with each other, which can better prevent the product from being misaligned after assembly, the EMC spring 2 is designed with three convexes to better connect with the sheath 1, the main body 6 is designed with a convex column 65, the installation table 66 is higher than the plane by zero point three, and the chamfer 67 is staggered, which can prevent secondary injection into the glue, the sheath 1 is designed with a convex column 65, the high plane is staggered by zero point three, and the chamfer 67 is staggered, which can prevent secondary injection into the glue, the sheath 1 is designed with a recessed table 15, the low plane is staggered by zero point three, and the chamfer 67 is staggered, which can prevent secondary injection into the glue, the opening clamping plate 41 of the shell 4 is lengthened, the compression strength of the welding plate can reach 15 KGF, which can replace the brass, save the wire cost, and the grounding impedance is lower after the shell 4 welding plate is connected, the high frequency characteristics are more stable.

[0034] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A safety plug connection structure comprising a housing (4), characterized in that: The rear end of the shell (4) is provided with two clamping plates (41), the upper and lower ends of the inside of the shell (4) are fixedly connected with a sheath (1), one end of the sheath (1) is provided with an EMC elastic sheet (2), the bottom of the sheath (1) is provided with a main body (6), the front end of the main body (6) is fixedly connected with a plurality of terminals (3), the bottom of the main body (6) is provided with a positioning block (52), the inside of the positioning block (52) is provided with two Chinese character holes (51), one end of the positioning block (52) is fixedly connected with a clamping groove hook (53), one end of the positioning block (52) is fixedly connected with a clamping hook (5), the top of the other main body (6) is fixedly connected with a Chinese character table (61), the top of one of the main bodies (6) is fixedly connected with a stabilizing block (62), the top of one of the main bodies (6) is fixedly connected with two link blocks (63), the top of one of the main bodies (6) is fixedly connected with a circular table (64), and the inside of the sheath (1) is fixedly connected with a positioning assembly.

2. The safety plug-in connector structure according to claim 1, wherein: The positioning assembly comprises a protruding block (14), one end of the protruding block (14) is fixed to the top of the other sheath (1), the inside of the sheath (1) is provided with two positioning holes (11), one end of the sheath (1) is provided with a square hole (12), one end of the other sheath (1) is provided with two square holes (13), one end of the top of the sheath (1) is provided with a recessed table (15), and the inside of the EMC elastic sheet (2) is provided with a plurality of through holes (21).

3. The safety plug-in connector structure according to claim 1, wherein: One end of the positioning block (52) is fixedly connected with an end (31), and one end of the positioning block (52) is fixedly connected with a clamping groove hook (54).

4. The safety plug-in connector structure according to claim 1, wherein: One end of the other main body (6) is fixedly connected with a mounting table (66), the top of the mounting table (66) is fixedly connected with a protruding table (65), and one end of the mounting table (66) is fixedly connected with a chamfer (67). One end of the other main body (6) is fixedly connected with a mounting table (66), the top of the mounting table (66) is fixedly connected with a protruding table (65), and one end of the mounting table (66) is fixedly connected with a chamfer (67).

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