阅读说明：本技术 一种连接器 (A kind of interface unit ) 是由 蒋芳芳 唐继 李圣强 马波 于 2021-08-04 设计创作，主要内容包括：本发明公开了一种连接器,壳体a内安装有座安装板,壳体b内安装有头安装板,头安装板内的接触件与座安装板内的接触件插合,且壳体a和壳体b之间通过锁紧组件锁紧,头安装板的左侧壁或/和右侧壁安装有屏蔽件,座安装板上与头安装板对应的一侧安装有簧片,簧片与对应屏蔽件弹性接触,且头安装板和座安装板通过屏蔽件和簧片实现接地导通。本发明的有益效果是：壳体a和壳体b的锁紧采用了两种锁紧方式,为连接器提供双重锁紧保障,即使其中一种锁紧机构失效,不会影响连接器的正常使用,而且在有限空间内,提供多芯连接器的连接,并可以连接多芯线缆的多组屏蔽线,具有多芯小型化、集成化、同时处理多组屏蔽线缆的特点。(The invention discloses a connector, wherein a seat mounting plate is arranged in a shell a, a head mounting plate is arranged in a shell b, a contact element in the head mounting plate is inserted and combined with a contact element in the seat mounting plate, the shell a and the shell b are locked through a locking assembly, a shielding element is arranged on the left side wall or/and the right side wall of the head mounting plate, a reed is arranged on one side of the seat mounting plate corresponding to the head mounting plate and is in elastic contact with the corresponding shielding element, and the head mounting plate and the seat mounting plate are in grounding conduction through the shielding element and the reed. The invention has the beneficial effects that: the locking of casing an and casing b has adopted two kinds of locking modes, provides dual locking guarantee for the connector, even one of them locking mechanism is out of work, can not influence the normal use of connector, in limited space, provides the connection of multicore connector moreover to can connect the multiunit shielded wire of multicore cable, have multicore miniaturization, integrate, handle the characteristics of multiunit shielded wire simultaneously.)

1. A connector, characterized by: including casing an and casing b, install a mounting panel in the casing an, install the first mounting panel in the casing b, contact in the first mounting panel with contact in the mounting panel is inserted and is closed, just casing an with lock through locking Assembly between the casing b, the shield is installed to the left side wall or/and the right side wall of head mounting panel, on the mounting panel with the reed is installed to the one side that the first mounting panel corresponds, the reed with correspond shield elastic contact, just head mounting panel and mounting panel pass through the shield with the reed realizes that ground connection switches on.

2. A connector according to claim 1, wherein: the seat mounting plate is provided with a mounting portion b, the mounting portion b is provided with a fixing piece b, the fixing piece b is close to one side of the mounting portion b and is provided with a mounting table b, the mounting table b is mounted on the mounting portion b, a cavity is formed in the fixing piece b, the cavity is close to the side wall of one side of the mounting portion b, a back plate is arranged on the side wall of one side of the mounting portion b, the back plate protrudes out of the cavity, and a hook groove is formed in the top of the back plate.

3. A connector according to claim 2, wherein: the reed includes connecting portion and contact site, connecting portion with the contact site is connected, the bar hole has been seted up on the contact site, be close to on the bar hole be provided with the spring leaf of giving up on the lateral wall of connecting portion, the spring leaf of giving up is kept away from the seat mounting board slope sets up, just the top of spring leaf of giving up is provided with the portion of bending, the portion of bending is to keeping away from one side of seat mounting board is bent, the top of contact site is provided with colludes the portion, collude the portion and collude in the colluding inslot, the reed passes the cavity, just connecting portion pass through the retaining member and install on the mounting b of cavity below, bend the portion with the shielding part contact.

4. A connector according to claim 3, wherein: an inclined plane is arranged on the side wall of the cavity far away from the installation table b, a convex hull is arranged on one side of the connecting part far away from the installation table b, a positioning hole matched with the convex hull is formed in the side wall of the cavity, a groove is formed in the side wall, close to the reed, of the top of the back plate, and the bending part is located on one side of the groove.

5. A connector according to claim 4, wherein: be provided with installation department a on the head mounting panel, install mounting a on the installation department a, the mounting groove has been seted up on the mounting a, the shielding part passes through the retaining member to be installed in the mounting groove.

6. A connector according to claim 5, wherein: the shielding piece is all installed to the left side wall and the right side wall of head mounting panel, two the shielding piece passes through the shielding frame and connects, the shielding shelf location has a plurality of checkposts, the checkpost with the gap of threading has between the shielding frame.

7. A connector according to any one of claims 1 to 6, wherein: the locking assembly comprises a screw locking device, the screw locking device comprises a screw and an injection molding clamping sleeve, a step hole is formed in the top of the connecting end of the shell b, a counter bore is formed in the connecting end of the shell a, a thread sleeve a is installed in a small hole of the counter bore, the screw comprises a thread section, a transition section and a positioning section which are sequentially connected, after the shell a and the shell b are locked through the screw, the thread section is locked with the thread sleeve a, the positioning section penetrates out of the step hole, an annular groove is formed in one end, connected with the positioning section, of the transition section, a limiting step is formed on the end face between the annular groove and the positioning section, a flat face a is arranged on the positioning section, a center hole is formed in the top of the clamping sleeve, a waist-shaped through hole is formed in the bottom of the center hole, and a flat face b is arranged at the waist of the waist-shaped through hole, after the positioning section is inserted into the clamping sleeve from the waist-shaped through hole, the clamping sleeve is rotated to enable the limiting step to abut against the bottom of the central hole.

8. A connector according to claim 7, wherein: the bottom of the cutting sleeve is provided with a mounting groove, an elastic ring is mounted in the mounting groove, after the cutting sleeve is mounted, the elastic ring is extruded between the mounting groove and the stepped hole, the bottom of the cutting sleeve is further provided with a convex tooth, the convex tooth comprises a convex block and an arc-shaped convex part, the bottom of the convex block is a plane, a circular arc petal is arranged on the stepped surface of the stepped hole, the circular arc petal comprises an arc part, a sector part and a stopping part, the top of the stopping part is a plane, the top of the sector part is also a plane, the horizontal height of the plane of the stopping part is higher than that of the sector part, one end of the arc part is connected with the stopping part, the top of the arc part is flush with the top of the stopping part, the bottom of the arc part is flush with the bottom of the stopping cutting sleeve, after the cutting sleeve is mounted, the arc convex part with the cooperation of arc portion, the bottom of lug with the top laminating of sectorial portion.

9. A connector according to claim 8, wherein: the locking assembly further comprises a connecting screw locking device, the connecting end of the shell a is of a rectangular structure, the screw locking device is installed on one diagonal line of the shell a, the connecting screw locking device is arranged on the other diagonal line of the shell a, the connecting screw locking device comprises a threaded sleeve b, a connecting screw and a stopping ring, a step through hole a is formed in the diagonal line of the shell a, a large hole of the step through hole a is far away from the shell b, a threaded sleeve b is installed in the large hole of the step through hole a, a step through hole b is formed in the shell b, the large hole of the step through hole b is close to the shell a, the shell a is connected with the shell b through the connecting screw, the connecting screw penetrates through the step through hole b and is locked with the threaded sleeve b, and the stopping ring which prevents the connecting screw from falling down is sleeved on the connecting screw, the retaining ring is positioned in the big hole of the step through hole b.

10. A connector according to claim 9, wherein: the stopping ring comprises a ring body, a plurality of stopping pieces inclined at the bottom of the ring body are arranged on the inner side wall of the ring body and are adjacent to each other gaps are formed between the stopping pieces, a plurality of through holes are formed in the inner side wall of each stopping piece in a surrounding mode, the gaps extend to the through holes, the bottom of the ring body is provided with a skirt edge, the bottom of each stopping piece is not protruded, the skirt edge is formed by the head, the transition rod and the threaded rod which are connected in sequence, the diameter of the threaded rod is larger than that of the transition rod, the diameter of the through holes in the stopping ring is smaller than that of the threaded rod, and the diameter of the through holes in the stopping ring is larger than or equal to that of the transition section.

Technical Field

The invention relates to a connector for rail transit, in particular to a connector.

Background

The application environment of the connector for rail transit is a motion state, and when a locomotive, a motor car, a subway and the like move, vibration and impact can occur, the connector needs to be stably and reliably connected in the motion environment, the locking principle of a locking mechanism in a single locking mode is consistent, and once the locking mode fails, the connector can be disconnected or even fall off. In recent years, rail transit has also come to a halt due to a failure of a locking mechanism.

With the updating of train communication equipment, multi-core integration of the connector is required, and a plurality of shielding cables with multi-core wires are processed at the same time. The development trend of the connector is that the traditional connector is replaced by a novel connector meeting practical application.

Disclosure of Invention

The object of the present invention is to overcome the disadvantages of the prior art and to provide a connector.

The purpose of the invention is realized by the following technical scheme: the utility model provides a connector, including casing an and casing b, install a mounting panel in the casing a, install the head mounting panel in the casing b, contact in the head mounting panel is inserted with the contact in the mounting panel and is closed, and lock through locking Assembly between casing an and the casing b, the shielding part is installed to the left side wall or/and the right side wall of head mounting panel, the reed is installed with the one side that the head mounting panel corresponds on the mounting panel, the reed with correspond shielding part elastic contact, and head mounting panel and mounting panel realize through shielding part and reed that ground connection switches on.

Optionally, the seat mounting plate is provided with a mounting portion b, the mounting portion b is provided with a fixing member b, one side, close to the mounting portion b, of the fixing member b is provided with a mounting table b, the mounting table b is mounted on the mounting portion b, the mounting portion b is provided with a cavity, the cavity is provided with a back plate on the side wall, close to the mounting portion b, of the cavity, the back plate protrudes out of the cavity, and the top of the back plate is provided with a hook groove.

Optionally, the reed includes connecting portion and contact site, connecting portion and contact site are connected, the bar hole has been seted up in the contact site, be provided with the spring leaf on the lateral wall that is close to connecting portion on the bar hole, the spring leaf is kept away from a mounting panel slope and is set up, and the top of spring leaf is provided with the portion of bending, the portion of bending is bent to one side of keeping away from a mounting panel, the top of contact site is provided with colludes the portion, collude the portion and collude in colluding the inslot, the reed passes the cavity, and connecting portion pass through the retaining member and install on mounting b of cavity below, the portion of bending and shield contact.

Optionally, an inclined plane is arranged on the side wall of the cavity far away from the mounting table b, a convex hull is arranged on one side of the connecting part far away from the mounting table b, a positioning hole matched with the convex hull is formed in the side wall of the cavity, a groove is formed in the side wall, close to the reed, of the top of the back plate, and the bending part is located on one side of the groove.

Optionally, an installation part a is arranged on the head installation plate, a fixing part a is installed on the installation part a, an installation groove is formed in the fixing part a, and the shielding part is installed in the installation groove through the locking part.

Optionally, the shielding piece is installed on the left side wall and the right side wall of the head installation plate, the two shielding pieces are connected through the shielding frame, a plurality of clips are installed on the shielding frame, and a threading gap is formed between each clip and the shielding frame.

Optionally, the locking assembly comprises a screw locking device, the screw locking device comprises a screw and an injection-molded ferrule, the top of the connecting end of the housing b is provided with a stepped hole, the connecting end of the housing a is provided with a counter bore, a threaded sleeve a is installed in a small hole of the counter bore, the screw comprises a threaded section, a transition section and a positioning section which are connected in sequence, after the housing a and the housing b are locked by the screw, the screw thread section is locked with thread bush a, the positioning section penetrates out of the step hole, the annular groove is formed in one end, connected with the positioning section, of the transition section, the end face between the annular groove and the positioning section forms a limit step, a flat face a is arranged on the positioning section, the top of the clamping sleeve is provided with a center hole, the bottom of the center hole is provided with a waist-shaped through hole, the waist of the waist-shaped through hole is provided with a flat face b, and after the positioning section is inserted into the clamping sleeve from the waist-shaped through hole, the clamping sleeve is rotated to enable the limit step to abut against the bottom of the center hole.

Optionally, the mounting groove has been seted up to the bottom of cutting ferrule, install the elastic ring in the mounting groove, the cutting ferrule is installed the back, the elastic ring extrusion is between mounting groove and step hole, the bottom of cutting ferrule still is provided with the dogtooth, the dogtooth includes lug and arc convex part, the bottom of lug is the plane, be provided with the circular arc lamella on the step face in step hole, the circular arc lamella includes the arc portion, sector and stopping portion, the top of stopping portion is a plane, the top of sector also is a plane, and the level at the plane place of stopping portion is higher than the level at sector place, the one end and the stopping portion of arc portion are connected, and the top of arc portion flushes with the top of stopping portion, the bottom of arc portion flushes with the bottom of stopping portion, after the cutting ferrule has been installed, arc convex part and the cooperation of arc portion, the bottom of lug is laminated with the top of sector.

Optionally, the locking assembly further comprises a connecting screw locking device, the connecting end of the shell a is of a rectangular structure, a screw locking device is installed on one diagonal line of the shell a, the connecting screw locking device is arranged on the other diagonal line of the shell a, the connecting screw locking device comprises a threaded sleeve b, a connecting screw and a stopping ring, a step through hole a is formed in the diagonal line of the shell a, a large hole of the step through hole a is far away from the shell b, the threaded sleeve b is installed in the large hole of the step through hole a, a step through hole b is formed in the shell b, the large hole of the step through hole b is close to the shell a, the shell a and the shell b are connected through the connecting screw, the connecting screw penetrates through the step through hole b and is locked with the threaded sleeve b, the stopping ring which prevents the connecting screw from falling off is sleeved on the connecting screw, and the stopping ring is located in the large hole of the step through hole b.

Optionally, the stopping ring comprises a ring body, a plurality of stopping pieces inclined towards the bottom of the ring body are arranged on the inner side wall of the ring body, gaps are formed between every two adjacent stopping pieces, via holes are formed by surrounding the inner side walls of the plurality of stopping pieces, the gaps extend to the via holes, a skirt edge is arranged at the bottom of the ring body, the skirt edge does not protrude out of the bottom of each stopping piece, the connecting screw comprises a head, a transition rod and a threaded rod which are connected in sequence, the diameter of the threaded rod is larger than that of the transition rod, the diameter of the via holes in the stopping ring is smaller than that of the threaded rod, and the diameter of the via holes in the stopping ring is larger than or equal to that of the transition section.

The invention has the following advantages: the shell a and the shell b of the connector are locked by adopting two locking modes, double locking guarantee is provided for the connector, even if one locking mechanism fails, the normal use of the connector cannot be influenced, the multi-core connector is connected in a limited space, a plurality of groups of shielding wires of a multi-core cable can be connected, and the connector has the characteristics of multi-core miniaturization, integration and simultaneous processing of a plurality of groups of shielding wires.

Drawings

FIG. 1 is a schematic structural diagram of the present invention

FIG. 2 is a schematic view of the connection of the head mounting plate and the base mounting plate

FIG. 3 is a schematic view of the installation of the fastener a;

FIG. 4 is a schematic view of the installation of the fixing member b;

FIG. 5 is a schematic view of the structure of the head mounting plate;

FIG. 6 is a schematic structural view of a seat mounting plate;

FIG. 7 is a schematic structural view of a fastener a;

FIG. 8 is a schematic structural view of a fixing member b;

FIG. 9 is a schematic cross-sectional view of fastener b;

FIG. 10 is a schematic view of the structure of the reed;

FIG. 11 is a first schematic view of the installation of the spring plate and the fixing member b;

FIG. 12 is a second schematic view of the installation of the spring plate and the fixing member b;

FIG. 13 is a schematic view of the locking member

FIG. 14 is a schematic structural view of a case b with a circular arc lobe

FIG. 15 is a schematic view of the installation of the screw

Fig. 16 is a schematic structural view of the ferrule

FIG. 17 is a schematic view of a circular arc lobe structure

FIG. 18 is a schematic view of a screw

FIG. 19 is a schematic view of a retaining ring

FIG. 20 is a schematic view of a retaining ring

FIG. 21 is a schematic view of the attachment of a connecting screw

FIG. 22 is a schematic view of the structure of the connection screw

Fig. 23 is a schematic structural view of a housing b;

FIG. 24 is a schematic view of the structure of the housing a

FIG. 25 is a schematic view of a rectangular connecting frame

FIG. 26 is a schematic structural view of the housing body

In the figure, 10-head mounting plate, 11-shielding piece, 12-fixing piece a, 13-locking piece, 14-mounting part a, 15-shielding frame, 16-clip, 20-seat mounting plate, 21-fixing piece b, 22-reed, 23-mounting part b, 121-mounting groove, 122-mounting table a, 131-locking screw, 132-gasket, 133-convex part, 211-mounting table b, 212-back plate, 213-cavity, 214-groove, 215-hook groove, 216-inclined surface, 217-positioning hole, 218-screw hole, 221-connecting part, 222-contact part, 223-hook part, 224-strip-shaped hole, 225-spring-cut, 226-convex packet, 227-bending part, 71-shell a, 72-shell b, 41-thread bushing a, 42-cutting ferrule, 43-elastic ring, 44-screw rod, 45-counter bore, 46-step bore, 47-arc petal, 422-mounting groove, 423-kidney through hole, 424-flat surface a, 425-convex tooth, 426-arc convex part, 427-convex block, 441-thread section, 442-transition section, 443-annular groove, 444-positioning section, 445-flat surface b, 446-limit step, 471-arc part, 472-sector part, 473-retaining part, 60-retaining ring, 61-ring body, 62-retaining sheet, 63-via hole, 64-skirt edge, 65-gap, 73-connecting screw, 74-thread bushing b, 75-step through hole a, 76-step through hole b, 77-gasket, 731-head, 732-transition rod, 733-threaded rod; 711-housing body, 712-rectangular connection frame, 713-connection board, 714-ground plane.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a connector, as shown in fig. 1 and 2, includes a housing a and a housing b, a seat mounting plate is installed in the housing a, a head mounting plate is installed in the housing b, a contact element in the head mounting plate is inserted into a contact element in the seat mounting plate, and the housing a and the housing b are locked by a locking assembly.

In this embodiment, as shown in fig. 3 and 5, the head mounting plate 10 is provided with a mounting portion a14, preferably, the mounting portion a14 is rectangular, the mounting portion a14 is located at the middle position of the head mounting plate 10, a hole is formed in the mounting portion a14, as shown in fig. 23, a rib is formed on the inner cavity side wall of the housing b72, a threaded hole is formed in the rib, the size of the hole in the mounting portion a14 matches the size of the threaded hole in the housing b72, a fastener a12 is mounted on the mounting portion a14, preferably, as shown in fig. 7, a mounting platform a122 is provided on the side of the fastener a12 close to the mounting portion a14, the mounting platform a122 is also provided with a hole, the mounting platform a122 is mounted on the mounting portion a14 by a screw, the screw is further screwed with the threaded hole in the housing b72, and the screw, the mounting platform a122 and the housing b72 are all conductive, so that the housing b72 and the fastener a12 are conductive by the screw, the shielding effect of the connector is further ensured.

In this embodiment, as shown in fig. 4 and 6, the seat mounting plate 20 has a rectangular symmetrical structure, a mounting portion b23 is provided at the middle portion of the seat mounting plate 20, a hole for mounting a fastener b21 is provided on the mounting portion b23, a fastener b21 is mounted on the mounting portion b23, and the reed 22 is mounted on the fastener b21, in this embodiment, the inner cavity of the housing a71 is also provided with a threaded hole, as shown in fig. 8 and 9, a mounting table b211 is provided on the side of the fastener b21 close to the mounting portion b23, a hole is provided on the mounting table b211, the mounting table b211 is mounted on the mounting portion b23 by a screw, and the screw is locked with the threaded hole on the housing a71, so that the housing a71 is conducted with the fastener b21, and the shielding effect of the connector is further ensured.

In this embodiment, as shown in fig. 10, the spring plate 22 includes a connecting portion 221 and a contact portion 222, the connecting portion 221 and the contact portion 222 are connected, preferably, the connecting portion 22 is a U-shaped card, the connecting portion 221 is mounted on a fixing member b21, and the contact portion 222 is in elastic contact with the shielding member 11, so that a fixing member a12 and a fixing member b21 are communicated through the spring plate 22, and when in use, the fixing member a12 is communicated with a housing b72 and the fixing member b21 is communicated with a housing a71, thereby ensuring the shielding performance of the connector.

In this embodiment, as shown in fig. 10, a strip-shaped hole 224 is formed on the contact portion 222, a spring-cutting blade 225 is disposed on a side wall of the strip-shaped hole 224 close to the connecting portion 221, the spring-cutting blade 225 is disposed away from the seat mounting plate 20 in an inclined manner, so that the spring-cutting blade 225 has a certain elasticity, during the mounting process, the spring-cutting blade 225 is compressed, so that the spring-cutting blade 225 has an elastic restoring force, so that the spring-cutting blade 225 is always in contact with the shielding element 11 under the elastic restoring force, further, a bending portion 227 is disposed on a top of the spring-cutting blade 225, the bending portion 227 is bent towards a side away from the seat mounting plate 20, and the bending portion 227 is in contact with the shielding element 11, the bending portion 227 makes the spring-cutting blade 225 in contact with the shielding element 11 in a linear-planar manner, and the bending portion 227 is arc-shaped, after the spring-cutting blade 22 is mounted, the bending portion 227 can always be in contact with the shielding element 11, in this embodiment, the shielding element 11 is in a sheet shape, and adopt electrically conductive material to make, seted up mounting groove 121 on mounting a12, shield 11 is then installed in mounting groove 121 through retaining member 13.

In this embodiment, as shown in fig. 8 and 9, the fixing member b21 has a cavity 213, the side wall of the cavity 213 near the mounting portion b23 has a back plate 212, the back plate 212 protrudes out of the cavity 213, the top of the back plate 212 has a hook groove 215, as shown in fig. 11 and 12, the hook 223 is hooked in the hook groove 215, the spring leaf 22 passes through the cavity 213, and the connecting portion 221 is connected to the fixing member b21 below the cavity 213, in this embodiment, the side wall of the cavity 213 far from the mounting portion b211 has an inclined surface 216, the cavity 213 has a U-shaped structure, the connecting portion 221 can pass in and out from the cavity 213, and the inclined surface 216 has a guiding function to facilitate the mounting of the spring leaf 22, further, the side of the connecting portion 221 far from the mounting portion b211 has a convex hull 226, the side wall of the cavity 213 has a positioning hole 217 matching with the convex hull 226, after the spring leaf 22 is mounted, the top of the reed 22 is positioned by the hook part 223 and the hook groove 215, the middle part of the reed 22 is positioned by the convex hull 226 and the positioning hole 217, and the bottom of the reed 22, namely the connecting part 221 is connected with the fixing part b21, so that the mounting stability of the reed 22 is improved, and the use reliability of the reed 22 is ensured.

In this embodiment, the top of backplate 212 has seted up recess 214 on being close to the lateral wall of reed 22, bend 227 is located one side of recess 214, recess 214 can increase reed 22 elastic deformation space, after reed 22 is compressed, the portion 227 of bending of reed 22 can enter into recess 214 for reed 22 simple to operate, simultaneously because reed 22 receives external force after, has the space that contracts that moves back, in the use, external force is difficult for making reed 22 warp, thereby reed 22's life has been guaranteed.

In this embodiment, as shown in fig. 13, the locking member 13 includes a locking screw 131 and a washer 132, a plurality of protrusions 133 are formed on the bottom surface of the washer 132, the washer 132 is formed by stamping, after the washer 132 is formed, the washer 132 is square, the gasket 132 has four protrusions 133 on the bottom surface thereof, and further, the gasket 132, after being press-molded, has a concave surface inwardly recessed, in use, the ground wire is wrapped around the locking screw 131, and the concave surface can receive the ground wire, when the locking member 13 is locked, the ground wire is pressed between the washer 132 and the fixing member a12, and the protrusion 133 presses the ground wire, ensuring the stability of the ground wire, thereby further ensuring the grounding performance of the connector, and further, the connection part 221 and the fixing part b21 are also locked by the locking member 13, that is, the fixing member b21 is provided with a screw hole 218 that is screwed to the locking screw 131.

In this embodiment, the shielding members 11 are mounted on the left side wall and the right side wall of the head mounting plate 10, the two shielding members 11 are connected through the shielding frame 15, the plurality of clips 16 are mounted on the shielding frame 15, and a threading gap is formed between each clip 16 and the shielding frame 15, so that the shielding structure has a plurality of grounding points.

In this embodiment, locking Assembly includes screw rod locking device, screw rod locking device includes screw rod 44 and injection moulding's cutting ferrule 42, step hole 46 has been seted up at casing b 72's link top, counter bore 45 has been seted up to casing a 71's link, in this embodiment, casing b72 and casing a 71's link all has a engaging lug, and step hole 46 and counter bore 45 set up on the engaging lug that corresponds, and step hole 46 and counter bore 45 are two at least, and be diagonal distribution, and cutting ferrule 42 adopts injection moulding, after receiving the extrusion, can take place certain deformation.

In this embodiment, as shown in fig. 14 and 15, a thread bushing a41 is installed in a small hole of the counter bore 45, the thread bushing a41 is a revolving body structure, a threaded hole is formed along the axial lead of the thread bushing, and the thread bushing a41 is connected with the small hole of the counter bore 45 in a tight fit manner, so that the thread bushing a41 is difficult to drop in the using process, when the thread of the thread bushing a41 is damaged, the shell b72 does not need to be replaced, only the thread bushing a41 needs to be replaced, and the manufacturing cost of the thread bushing a41 is far less than that of the shell b72, thereby reducing the operation cost.

In this embodiment, as shown in fig. 18, the screw 44 includes a threaded section 441, a transition section 442, and a positioning section 444, which are connected in sequence, after the housing a71 and the housing b72 are locked by the screw 44, the threaded section 441 is locked with a threaded sleeve a41, the positioning section 444 penetrates through a stepped hole 46, an annular groove 443 is formed at one end of the transition section 442 connected with the positioning section 444, an end surface between the annular groove 443 and the positioning section 444 forms a limit step 446, the positioning section 444 is provided with a flat surface a424, a top of the ferrule 42 is provided with a central hole, a bottom of the central hole is provided with a waist-shaped through hole 423, a waist of the waist-shaped through hole 423 is provided with a flat surface b445, when the ferrule 42 is installed, the flat surface b445 on the ferrule 42 is aligned with the flat surface a424, the ferrule 42 and the positioning section 444 are inserted into the central hole beyond the waist-shaped through hole 423, further, after the positioning section 444 is inserted into the ferrule 42 from the waist-shaped through hole 423, the ferrule 42 is rotated, make spacing step 446 support in the bottom of centre bore, the cutting ferrule 42 then can't take out at this moment to realize the locking of casing a71 and casing b72, when needing to separate casing a71 and casing b72, only need to rotate cutting ferrule 42, make flat surface b445 and flat surface a424 align, then just can take out cutting ferrule 42, realize the separation of casing a71 and casing b 72.

In this embodiment, as shown in fig. 16, a mounting groove 422 is formed at the bottom of the ferrule 42, an elastic ring 43 is mounted in the mounting groove 422, after the ferrule 42 is mounted, the elastic ring 43 is extruded between the mounting groove 422 and the stepped hole 46, after the elastic ring 43 is extruded, the elastic ring 43 generates an elastic restoring force, and the ferrule 42 makes the limit step 446 always abut against the bottom of the central hole under the action of the elastic restoring force, so that the stability of the ferrule 42 connected with the positioning section 444 is ensured.

In this embodiment, as shown in fig. 16, the bottom of the ferrule 42 is further provided with a protruding tooth 425, the step surface of the step hole 46 is provided with arc petals 47 for preventing the ferrule 42 from rotating in the reverse direction, after the ferrule 42 is installed, the protruding tooth 425 is matched with one arc petal 47, further, the four arc petals 47 are uniformly distributed on the same circumference, the protruding teeth 425 are two and uniformly distributed on the same circumference, preferably, as shown in fig. 17, the arc petal 47 comprises an arc portion 471, a sector portion 472 and a retaining portion 473, the top of the retaining portion 473 is a plane, the top of the sector portion 472 is also a plane, the horizontal height of the plane of the retaining portion 473 is higher than that of the sector portion 472, one end of the arc portion 471 is connected with the retaining portion, the top of the arc portion 471 is flush with the top of the retaining portion 473, the bottom of the arc portion 471 is flush with the bottom of the retaining portion 473, and the protruding tooth 427 comprises a protruding block and an arc protrusion 426, the bottom of the protrusion 427 is a flat surface, after the ferrule 42 is installed, the arc-shaped protrusion 426 is matched with the arc-shaped portion 471, the bottom of the protrusion 427 is attached to the top of the fan-shaped portion 472, when the ferrule 42 is installed, after the flat surfaces a424 and b445 are aligned, the positioning section 444 is inserted into the ferrule 42, further, the two flat surfaces a424 are symmetrically arranged on the positioning section 444, the two flat surfaces b445 are arranged, and the distance between the two flat surfaces b445 is equal to the distance between the two flat surfaces a424, therefore, the positioning section 444 can be inserted into the ferrule 42 only after the flat surfaces a424 and the corresponding flat surfaces b445 are aligned between the positioning section 444 and the ferrule 42, when the ferrule 42 and the positioning section 444 are axially moved relative to each other, the elastic ring 43 is deformed when in contact with the elastic ring 43, when the position-limiting step 446 passes over the kidney-shaped through hole 423, the ferrule 42 is rotated, so that the position-limiting step 446 is attached to the bottom of the central hole, and after the convex tooth 425 is matched with the arc petal 47, the cutting sleeve 42 does not need to be rotated, the cutting sleeve 42 is loosened, the cutting sleeve 42 is under the action of the elastic restoring force of the elastic ring 43, so that the limiting step 446 is always tightly attached to the bottom of the central hole, the locking reliability of the shell a71 and the shell b72 is ensured, after the convex tooth 425 is matched with the arc petal 47, the arc convex part 426 of the convex tooth 425 is matched with the arc part 471, the bottom of the bump 427 is attached to the top of the fan-shaped part 472, so that the bump 427 cannot reversely rotate to exceed the backstop part 473, preferably, the top plane of the backstop part 473 is flush with the top of the step hole 46, when the shell a71 is required to be separated from the shell b72, the cutting sleeve 42 is rotated clockwise, due to the existence of the arc part 471, the arc part 471 has a guiding function, so that the arc convex part 426 moves along the arc part 471, and in the moving process, the arc part 471 can extrude the arc convex part 426, after the arc-shaped convex part 426 is pressed, the cutting sleeve 42 is deformed to a certain extent, so that the arc-shaped convex part 426 can slide along the arc part 471 and can also cross the retaining part 473, and in the rotating process of the cutting sleeve 42, when the flat surface a424 is flush with the flat surface b445, the cutting sleeve 42 can be taken out, and the separation of the shell a71 and the shell b72 is realized.

In this embodiment, the locking assembly further includes a screw locking device, the connecting end of the housing a71 is of a rectangular structure, a pair of diagonals of the housing a71 is provided with a screw locking device, the other diagonal of the housing a71 is provided with a screw locking device, further, the screw locking device includes a threaded sleeve b74, a connecting screw 73 and a retaining ring 60, a pair of diagonals of the housing a71 is provided with a stepped through hole a75, a large hole of the stepped through hole a75 is far away from the housing b72, a large hole of the stepped through hole a75 is provided with a threaded sleeve b74, a stepped through hole b76 is provided on the housing b72, a large hole of the stepped through hole b76 is close to the housing a71, preferably, the connecting end of the housing a71 is provided with a flange lug a, the connecting end of the housing b72 is provided with a flange lug b, the stepped through hole a75 is provided on the flange lug a, and the stepped through hole b76 is provided on the flange lug b.

In the present embodiment, the connection screw 73 penetrates through the stepped through hole b76 and is locked with the threaded sleeve b74, preferably, as shown in fig. 21 and 22, the connection screw 73 includes a head 731, a transition rod 732 and a threaded rod 733, one end of the transition rod 732 is connected with the head 731, the other end of the transition rod 732 is connected with the threaded rod 733, the diameter of the threaded rod 733 is larger than that of the transition rod 732, a threaded hole which is in threaded mating with the threaded rod 733 is formed in the threaded sleeve b74, preferably, the threaded sleeve b74 is in a stepped column shape and has a limit step, when the connection screw is installed, the small end of the threaded sleeve b74 is installed in the small hole of the stepped through hole a75 and is in tight fit connection, and the limit step abuts against the step surface in the stepped through hole a 75.

In the present embodiment, as shown in fig. 19 and 20, the above-mentioned retaining ring 60 is sleeved on the connecting screw 73, the retaining ring 60 is located in the large hole of the stepped through hole b76, further, as shown in fig. 1 and 2, the retaining ring 60 includes a ring body 61, a plurality of retaining pieces 62 inclined toward the bottom of the ring body 61 are provided on the inner side wall of the ring body 61, a gap 65 is provided between adjacent retaining pieces 62, the inner side walls of the plurality of retaining pieces 62 surround a through hole 63, and the gap 65 extends to the through hole 63, preferably, a skirt 64 is provided at the bottom of the ring body 61, the skirt 64 does not protrude from the bottom of the retaining pieces 62, the ring body 61 is a circular ring, the retaining pieces 62 are fan-shaped on the projection surface of the ring body 61, when being installed, a screw rod penetrates through the small hole of the stepped through hole b76, and passes through the retaining ring 60 in turn, and then is locked with the threaded sleeve b74 in the stepped through hole a75, and the inclined direction of the retaining pieces 62 is toward the threaded rod of 733, when the shell a71 and the shell b72 are separated, the threaded sleeve b74 is difficult to drop because the threaded sleeve b74 and the shell a71 are connected in a tight fit mode, and in the embodiment, the retaining ring 60 is formed in a one-step stamping mode.

In this embodiment, the diameter of the via hole 63 on the retaining ring 60 is smaller than the diameter of the threaded rod 733, and the diameter of the via hole 63 on the retaining ring 60 is greater than or equal to the diameter of the transition rod 732, preferably, the diameter of the via hole 63 on the retaining ring 60 is equal to the diameter of the transition rod 732, so the threaded rod 733 is clamped by the retaining ring 60, and the connecting screw 73 is not separated from the housing b72, thereby preventing the connecting screw 73 from falling off, even in the transportation, carrying and dismounting processes, the connecting screw 73 is not easy to fall off, thereby reducing the loss of consumables in the overhauling and carrying processes, avoiding worrying about the falling of the connecting screw 73, and facilitating the dismounting of the connector.

In this embodiment, the transition bar 732 is further sleeved with a plurality of washers 77, the washers 77 are tightly pressed between the head 731 and the shell b72, and the washers 77 can adjust the length of the threaded shaft 733 of the connecting screw 73 in threaded engagement with the threaded sleeve b 74.

In this embodiment, as shown in fig. 24, 25 and 26, the case a71 includes a case body 711 and a rectangular connecting frame 712, the rectangular connecting frame 712 is connected to the case body 711, and the rectangular connecting frame 712 is located between the case body 711 and the case b, further, a connecting plate 713 is provided at the bottom of the rectangular connecting frame 712, a hole is formed on the connecting plate 713, a threaded hole corresponding to the hole is formed on the case body 711, the case body 711 and the rectangular connecting frame 712 are connected by a screw, a rib is also provided on the rectangular connecting frame 712, a threaded hole is formed on the rib, the screw at the mounting base b211 is locked with the threaded hole on the rib, the left and right sides of the rectangular connecting frame 712 have hanging lugs, countersunk holes 45 are formed at two ends of a diagonal line of the rectangular connecting frame 712, and stepped through holes 76 are formed at two ends of another diagonal line of the rectangular connecting frame 712, the sealing ring is arranged at the joint of the rectangular connecting frame 712 and the shell body 711, so that the waterproof performance of the connector is ensured.

In this embodiment, the left and right sides of the bottom of the housing body 711 are provided with a duck foot-shaped mounting ear, the mounting ears are provided with mounting holes, one of the mounting ears is provided with a ground plane 714, and the ground plane 714 is provided with a ground line mounting hole, so that the housing body 711 is provided with a ground point for facilitating the mounting of the ground line.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.