阅读说明：本技术 外压接屏蔽套及使用该外压接屏蔽套的接线器 (External crimping shielding sleeve and wire connector using same ) 是由 娄鹏 于 2018-12-24 设计创作，主要内容包括：本发明涉及一种外压接屏蔽套及使用该外压接屏蔽套的接线器,外压接屏蔽套包括用于与线缆屏蔽层压接接触的套体,定义外压接屏蔽套的插接端为前端,所述套体的前端设有向外翻折且沿套体的周向延伸的翻边,所述翻边的前侧面上焊接有环体,所述环体上设有向前弹起的用于与相应安装面板弹性顶压的弹片。与现有技术相比,将具有弹片的环体与套体分体焊接连接制成外压接屏蔽套,可以使环体和套体单独加工,降低了外压接屏蔽套的加工难度；且在套体的前端设置向外翻折的翻边,使环体焊接在翻边上,保证了环体与套体焊接连接的稳定性。(The invention relates to an external pressure connection shielding sleeve and a wire connector using the same, wherein the external pressure connection shielding sleeve comprises a sleeve body which is used for being in pressure connection contact with a cable shielding layer, the inserting end of the external pressure connection shielding sleeve is defined as the front end, the front end of the sleeve body is provided with a flanging which is turned outwards and extends along the circumferential direction of the sleeve body, the front side surface of the flanging is welded with a ring body, and the ring body is provided with an elastic sheet which is sprung forwards and is used for being elastically pressed with a corresponding installation panel. Compared with the prior art, the ring body with the elastic sheet and the sleeve body are welded and connected in a split manner to form the external pressing connection shielding sleeve, so that the ring body and the sleeve body can be processed independently, and the processing difficulty of the external pressing connection shielding sleeve is reduced; and the front end of the sleeve body is provided with a flange which is turned outwards, so that the ring body is welded on the flange, and the stability of the welding connection of the ring body and the sleeve body is ensured.)

1. Outer crimping shield cover is including being used for pressing the cover body of contact with the cable shielding layer, its characterized in that: the plug-in end of the external crimping shielding sleeve is defined as the front end, the front end of the sleeve body is provided with a turned-over edge which is turned over outwards and extends along the circumferential direction of the sleeve body, the front side face of the turned-over edge is welded with a ring body, and the ring body is provided with an elastic sheet which is bounced forwards and used for elastically jacking and pressing the corresponding mounting panel.

2. The external crimping shield according to claim 1, wherein: the elastic sheet extends along the circumferential direction of the ring body.

3. External crimping shielding according to claim 1 or 2, characterized in that: the ring body include with the identical grafting cover section of pegging graft of cover body front end, the front end of grafting cover section be equipped with turn-ups roof pressure cooperation and along the outer edge that extends or distribute of circumference, outer edge with turn-ups welded connection, shell fragment an organic whole sets up on the outer edge.

4. The external crimping shield according to claim 3, wherein: the flanging die is characterized in that at least two limiting convex parts distributed along the circumferential direction of the sleeve body at intervals are arranged on the front side face of the flanging, notches used for avoiding the limiting convex parts are arranged on the flanging edges, the flanging edges between two adjacent notches are the edges of the ring body welded on the flanging, the welding section is arranged along one end of the circumferential direction of the ring body and is provided with the elastic sheet, and the end face of the other end is used for being matched with the limiting convex parts in a positioning mode when the ring body is welded on the flanging edge.

5. The wire connector, which comprises a housin, be equipped with the through wires hole of at least one perpendicular to installation panel in the casing, install the external pressure crimping shield cover that is used for contacting with the cable shield layer in the through wires hole, the grafting end of definition wire connector is the front end, and the front end of external pressure crimping shield cover stretches out the front end of through wires hole, the external pressure crimping shield cover is including the cover body that is used for contacting with the cable shield layer, its characterized in that: the front end of the sleeve body is provided with a turned-over edge which is turned over outwards and extends along the circumferential direction of the sleeve body, a ring body is welded on the front side face of the turned-over edge, and the ring body is provided with an elastic sheet which is bounced forwards and used for elastically jacking and pressing the corresponding installation panel.

6. The connector of claim 5, wherein: the elastic sheet extends along the circumferential direction of the ring body.

7. The connector of claim 5 or 6, wherein: the ring body include with the identical grafting cover section of pegging graft of cover body front end, the front end of grafting cover section be equipped with turn-ups roof pressure cooperation and along the outer edge that extends or distribute of circumference, outer edge with turn-ups welded connection, shell fragment an organic whole sets up on the outer edge.

8. The connector of claim 7, wherein: the flanging die is characterized in that at least two limiting convex parts distributed along the circumferential direction of the sleeve body at intervals are arranged on the front side face of the flanging, notches used for avoiding the limiting convex parts are arranged on the flanging edges, the flanging edges between two adjacent notches are the edges of the ring body welded on the flanging, the welding section is arranged along one end of the circumferential direction of the ring body and is provided with the elastic sheet, and the end face of the other end is used for being matched with the limiting convex parts in a positioning mode when the ring body is welded on the flanging edge.

9. The connector of claim 5 or 6, wherein: the inner pressing connection shielding sleeve of the wire connector is matched with the outer pressing connection shielding sleeve insertion sleeve to clamp the cable shielding layer between the inner pressing connection shielding sleeve and the outer pressing connection shielding sleeve insertion sleeve, a rotation stopping key which extends outwards along the radial direction of the inner pressing connection shielding sleeve is arranged on the turning edge of the inner pressing connection shielding sleeve, and a key groove which extends along the inserting direction and is in circumferential stop fit with the rotation stopping key is arranged on the inner wall of the shell.

10. The connector of claim 5 or 6, wherein: the shell is a metal shell.

Technical Field

The invention relates to an external pressure connection shielding sleeve and a wire connector using the same.

Background

When connecting cables to the inside of the equipment box, a connector needs to be installed on a box panel first, and the cables penetrating through the box panel are fixed and sealed through the connector. In the use environment of some equipment boxes, the wire connectors are also required to shield the external electric field.

The chinese patent application with application publication No. CN106785591A discloses a shielding sleeve, which includes a sleeve body, wherein an elastic arm for elastically pressing against a step surface of a step hole on an installation panel is outwardly turned at the front end of the sleeve body, a limit protrusion for pushing and matching with the step surface of the step hole on the installation panel is further disposed at the front end of the sleeve body, the height of the limit protrusion is greater than the thickness of the elastic arm and smaller than the distance between the front end and the rear end of the elastic arm, a stop arm perpendicular to the axis of the sleeve body is outwardly turned at the front end of the sleeve body, and the limit protrusion is disposed on the stop arm. The limiting convex part, the elastic arm and the sleeve body are integrally formed, so that the structure of the shielding sleeve is complex, and the shielding sleeve is inconvenient to process.

Disclosure of Invention

The invention aims to provide an external pressure connection shielding sleeve, which solves the problems that the structure of the shielding sleeve is more complex and the shielding sleeve is inconvenient to process due to the fact that a limiting convex part, an elastic arm and a sleeve body are integrally formed in the prior art; the invention also aims to provide a wire connector using the external pressure connection shielding sleeve, so as to solve the problem of low production efficiency of the connector caused by difficult processing of the shielding sleeve.

In order to achieve the purpose, the technical scheme of the external pressure connection shielding sleeve is as follows:

the outer crimping shield sleeve comprises a sleeve body which is used for being in contact with a cable shielding layer in a splicing mode, the splicing end of the outer crimping shield sleeve is defined to be the front end, the front end of the sleeve body is provided with a flanging which is turned outwards and extends along the circumferential direction of the sleeve body, a ring body is welded on the front side face of the flanging, and the ring body is provided with an elastic sheet which is bounced forwards and used for being elastically jacked and pressed by a corresponding installation panel.

The invention has the beneficial effects that: compared with the prior art, the ring body with the elastic sheet and the sleeve body are welded and connected in a split manner to form the external pressing connection shielding sleeve, so that the ring body and the sleeve body can be processed independently, and the processing difficulty of the external pressing connection shielding sleeve is reduced; and the front end of the sleeve body is provided with a flange which is turned outwards, so that the ring body is welded on the flange, and the stability of the welding connection of the ring body and the sleeve body is ensured.

The elastic sheet extends along the circumferential direction of the ring body. Under the condition of not increasing the size of the ring body, the length of the elastic sheet can be increased, so that the stability of elastic jacking of the elastic sheet and the installation panel is improved.

The ring body include with the identical grafting cover section of pegging graft of cover body front end, the front end of grafting cover section be equipped with turn-ups roof pressure cooperation and along the outer edge that extends or distribute of circumference, outer edge with turn-ups welded connection, shell fragment an organic whole sets up on the outer edge. During welding, the outward turning edge of the ring body is attached to the front side face of the turned edge, and the inserting sleeve section of the ring body is inserted into the front end of the sleeve body in a matching mode, so that the ring body is limited on the sleeve body in the axial direction and the radial direction, and the ring body is conveniently welded on the turned edge.

The flanging die is characterized in that at least two limiting convex parts distributed along the circumferential direction of the sleeve body at intervals are arranged on the front side face of the flanging, notches used for avoiding the limiting convex parts are arranged on the flanging edges, the flanging edges between two adjacent notches are the edges of the ring body welded on the flanging, the welding section is arranged along one end of the circumferential direction of the ring body and is provided with the elastic sheet, and the end face of the other end is used for being matched with the limiting convex parts in a positioning mode when the ring body is welded on the flanging edge. Set up spacing arch on the turn-ups and can guarantee ring body welded accuracy along the circumference location of the cover body to the ring body.

In order to achieve the purpose, the technical scheme of the wire connector is as follows:

the connector includes the casing, be equipped with the through wires hole of at least one perpendicular to installation panel in the casing, install in the through wires hole and be used for the external pressure pressfitting housing in contact with the cable shield, the grafting end of definition connector is the front end, and the front end of external pressure pressfitting housing stretches out the front end of through wires hole, the external pressure pressfitting housing is including the cover body that is used for in contact with the cable shield, the front end of the cover body is equipped with the turn-ups that turns over to the book outward and extend along the circumference of the cover body, the welding has the ring body on the turn-ups leading flank, be equipped with the shell fragment that is used for with the elastic roof pressure of corresponding installation panel that bounces forward on the ring body.

The invention has the beneficial effects that: compared with the prior art, the ring body with the elastic sheet and the sleeve body are welded and connected in a split manner to form the external pressing connection shielding sleeve, so that the ring body and the sleeve body can be processed independently, and the processing difficulty of the external pressing connection shielding sleeve is reduced; and the front end of the sleeve body is provided with a flange which is turned outwards, so that the ring body is welded on the flange, and the stability of the welding connection of the ring body and the sleeve body is ensured.

The elastic sheet extends along the circumferential direction of the ring body. Under the condition of not increasing the size of the ring body, the length of the elastic sheet can be increased, so that the stability of elastic jacking of the elastic sheet and the installation panel is improved.

The ring body include with the identical grafting cover section of pegging graft of cover body front end, the front end of grafting cover section be equipped with turn-ups roof pressure cooperation and along the outer edge that extends or distribute of circumference, outer edge with turn-ups welded connection, shell fragment an organic whole sets up on the outer edge. During welding, the outward turning edge of the ring body is attached to the front side face of the turned edge, and the inserting sleeve section of the ring body is inserted into the front end of the sleeve body in a matching mode, so that the ring body is limited on the sleeve body in the axial direction and the radial direction, and the ring body is conveniently welded on the turned edge.

The flanging die is characterized in that at least two limiting convex parts distributed along the circumferential direction of the sleeve body at intervals are arranged on the front side face of the flanging, notches used for avoiding the limiting convex parts are arranged on the flanging edges, the flanging edges between two adjacent notches are the edges of the ring body welded on the flanging, the welding section is arranged along one end of the circumferential direction of the ring body and is provided with the elastic sheet, and the end face of the other end is used for being matched with the limiting convex parts in a positioning mode when the ring body is welded on the flanging edge. Set up spacing arch on the turn-ups and can guarantee ring body welded accuracy along the circumference location of the cover body to the ring body.

The inner pressing connection shielding sleeve of the wire connector is matched with the outer pressing connection shielding sleeve insertion sleeve to clamp the cable shielding layer between the inner pressing connection shielding sleeve and the outer pressing connection shielding sleeve insertion sleeve, a rotation stopping key which extends outwards along the radial direction of the inner pressing connection shielding sleeve is arranged on the turning edge of the inner pressing connection shielding sleeve, and a key groove which extends along the inserting direction and is in circumferential stop fit with the rotation stopping key is arranged on the inner wall of the shell. Through the circumferential stop matching of the stop key on the inner pressing connection shielding sleeve and the key groove on the inner wall of the shell, the cable can be prevented from rotating, and the stress of the terminal in the equipment box body is avoided.

The shell is a metal shell. The strength of the connector is improved, and the reliability is high.

Drawings

FIG. 1 is a schematic view of the construction of the connector of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a schematic structural view of the outer crimp sleeve of the wire connector of the present invention;

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a schematic view of the construction of the crimp sleeve of the connector of the present invention;

fig. 7 is a schematic view of the connector of the present invention with the outer crimp sheath removed and the inner crimp sheath removed.

In the figure: 1-a shell; 2-a connecting flange; 21-a fixation hole; 3-a plug section; 4-a housing seal ring; 5-pressing and connecting a shielding sleeve; 51-a rotation stop key; 6-external pressure connection of a shielding sleeve; 61-a limit protrusion; 62-flanging; 63-sleeve body; 7-cable sealing ring; 8-tail cover; 9-ring body; 91-spring plate; 92-splicing sleeve section; 93-outward turning edge; 94-notch; 95-a welding section; 10-a keyway; 11-baffle table.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

In a specific embodiment of the connector of the present invention, as shown in fig. 1 and 2, the connector includes a housing 1, and the housing 1 is a metal shell to enhance the strength of the connector, but in other embodiments, the housing may be an existing plastic shell. The outside of casing 1 is equipped with flange 2 that has fixed orifices 21, and when using, the connector passes through flange 2 to be installed on the installation panel of equipment, is equipped with the step hole that supplies the connector cable to pass on the installation panel, and the major diameter section in step hole is located the outside of installation panel. In this embodiment, be equipped with two through wires holes that are perpendicular to installation panel setting in the casing 1, of course, in other embodiments, the quantity of through wires hole is one or more than three, specifically according to the service environment setting of connector can. As shown in fig. 2 and 3, an external press-fit shielding sleeve 6 is installed inside the threading hole, the inserting end of the wire connector is defined as a front end, and the front end of the external press-fit shielding sleeve 6 extends out of the front end of the threading hole. The part of the front end of the threading hole, which forwards exceeds the connecting flange 2, is an inserting section 3, and the inserting section 3 is inserted into the large-diameter section of the stepped hole of the mounting panel and is in inserting fit with the mounting panel; in this embodiment, the plug section 3 is provided with the casing seal ring 4 to realize the sealing of the plug section 3 after the plug section is in plug fit with the large-diameter section of the step hole of the mounting panel.

As shown in fig. 4 and 5, in this embodiment, the external press-fit shielding sleeve 6 includes a sleeve body 63, a turned-over edge 62 turned over outward is disposed at the front end of the sleeve body 63, a ring body 9 is welded to the front end surface of the turned-over edge 62, an elastic sheet 91 that is sprung forward and used for elastically pressing against a step surface of a step hole on the mounting panel is disposed on the ring body 9, and the external press-fit shielding sleeve 6 is grounded through the elastic sheet 91 to realize shielding. Compared with the prior art, the ring body 9 with the elastic sheet 91 and the sleeve body 63 are separately welded and connected to form the external pressure connection shielding sleeve 6, so that the ring body 9 and the sleeve body 63 can be separately processed, and the processing difficulty of the external pressure connection shielding sleeve 6 is reduced; and the front end of the sleeve body 63 is provided with a flange 62 which is turned over outwards, so that the ring body 9 is welded on the flange 62, and the stability of the welding connection of the ring body 9 and the sleeve body 63 is ensured. In this embodiment, the elastic piece 91 extends along the circumferential direction of the ring body 9, and the length of the elastic piece 91 can be increased without increasing the size of the ring body, so that the stability of elastic pressing between the elastic piece 91 and the step surface of the step hole on the mounting panel is improved. In other embodiments, the resilient tab extends radially of the ring body.

In this embodiment, the ring body 9 has an outward turned edge 93 attached to the front side of the turned-over edge 62 and an insertion sleeve section 92 attached to the inner side of the front end of the sleeve body 63 so that the ring body 9 is axially and radially limited on the turned-over edge 62 along the sleeve body 63 during welding, the ring body 9 is welded to the turned-over edge 62 through the outward turned edge 93, and the elastic sheet 91 is disposed on the outward turned edge 93. In other embodiments, the ring body only includes an outwardly turned edge, and the ring body may move along the radial direction of the sleeve body during welding to affect the welding of the ring body. In this embodiment, four limiting convex portions 61 are arranged on the turned-up edge 62, notches 94 for avoiding the limiting convex portions 61 are arranged on the turned-up edge 93, the turned-up edge 93 between two adjacent notches 94 is a welding section 95 for welding the ring body 9 on the turned-up edge 62, the elastic piece 91 is arranged at one circumferential end of the welding section 95 along the ring body 9, and the end face of the other end is used for being in positioning fit with the limiting convex portions 61 when the ring body 9 is welded on the turned-up edge 62, so that the accuracy of welding the ring body 9 is ensured. In other embodiments, the number of the limiting protrusions can be set according to actual conditions. In this embodiment, the height of the limiting convex portion 61 is greater than the thickness of the elastic sheet 91 and is smaller than the vertical distance between the front end and the rear end of the elastic sheet 91, the distance between the step surface of the step hole and the front side surface of the flange 62 can be ensured through the limiting convex portion, and the phenomenon that the distance between the step surface of the step hole and the front side surface of the flange 62 is smaller when the connector is installed on the installation panel, so that the elastic sheet 91 is flattened to cause the elastic sheet 91 to lose elasticity is avoided. In other embodiments, the strength of the elastic sheet is higher, and the limit convex part is not arranged on the flanging; or the limiting convex part is arranged on the ring body.

As shown in fig. 2 and fig. 6, in the present embodiment, the connector further includes an internal crimping shielding sleeve 5 installed in the threading hole, the internal crimping shielding sleeve 5 is inserted and matched with the external crimping shielding sleeve 6 to clamp the cable shielding layer therebetween, a turn-over edge of the internal crimping shielding sleeve 5 is provided with a rotation-stopping key 51 extending outward along a radial direction of the internal crimping shielding sleeve 5, as shown in fig. 7, a key slot 10 extending along a plugging direction and circumferentially stop-matching with the rotation-stopping key 51 is provided on an inner wall of the housing 1, and by circumferentially stop-matching the rotation-stopping key 51 on the internal crimping shielding sleeve 5 and the key slot 10 on the inner wall of the housing 1, the cable can be prevented from rotating, and a terminal inside the equipment box can be prevented from being stressed. In other embodiments, the turned edge of the external press-fit shielding sleeve is bent to form a folded edge extending along the axial direction of the sleeve body, a notch for inserting the folded edge is formed in the baffle table in the shell, and the external press-fit shielding sleeve and the shell are in circumferential rotation-stopping fit through the folded edge and the notch.

As shown in fig. 2 and 3, a cable seal ring 7 for holding the cable tightly to seal the cable in the radial direction is mounted at a rear position of the stopper 11 in the threading hole, and a tail cover 8 for plugging the cable seal ring 7 in the threading hole is mounted at a rear position of the threading hole on the housing 1. Wherein, the inner peripheral surface of cable sealing washer 7 is equipped with the ripple structure, and after the hole of cable sealing washer 7 was passed to the cable, take place extrusion deformation between ripple structure and the cable to realize sealed. 8 demountable installation of tail-hood on casing 1, the rear end of casing 1 is equipped with the outer face of cylinder that supplies 8 cartridge of tail-hood, is equipped with the joint lug on this outer face of cylinder, is equipped with the draw-in groove with joint lug looks lock on the corresponding tail-hood 8, and tail-hood 8 passes through the buckle cooperation realization of joint lug and draw-in groove and casing 1's demountable installation, easy dismounting.

In the specific embodiment of the external press-connection shielding sleeve of the present invention, the structure of the external press-connection shielding sleeve in this embodiment is the same as that of the external press-connection shielding sleeve in the specific embodiment of the wire connector, and details are not repeated.