The wire resilient protection plate of a kind of side screw compression joint type binding post
Technical field
The utility model relates to a kind of binding post of heavy-duty connector, refers in particular to a kind of architecture advances of wire resilient protection plate of screw crimping binding post binding post.
Background technology
At present, in the plug-in unit die cavity that heavy-duty connector is provided with, be embedded with binding post, binding post head is provided with connecting groove, and the opening of connecting groove and plug-in unit die cavity is towards consistent.In this connecting groove, be equiped with wire resilient protection plate; one hold-down screw runs through corresponding plug-in unit die cavity and the sidewall of binding post reaches in connecting groove; to support the wire resilient protection plate in connecting groove, be pressed in the wire or bare wire inserting from plug-in unit die cavity by this wire resilient protection plate.
Existing wire resilient protection plate 10 is as shown in Figure 1 similar to left side or the right-hand part shape of U-shaped.Specifically, existing wire resilient protection plate 10 includes a straight sole 11, and a side edge bending of sole 11 upwards forms a protection side plate 12, and on sole 11, the dual-side convex vertical with this side is provided with the flank 13 of reversed acanthoid.
Straight sole 11 is as shown in Figure 2 placed in the bottom surface of the connecting groove 21 of binding post 20, and in the draw-in groove being provided with by flank 13 these connecting grooves 21 of embedding of reversed acanthoid, to reach the effect of fixing cord resilient protection plate 10.
The fixed form of above-mentioned wire resilient protection plate 10 mainly contains following hidden danger: 1., because flank 13 adopts damascene structures, add and as too smallly in red needle flank 13 effectively cannot be fixed on the connecting groove 21 of binding post 20 man-hour; If excessive, easily the connecting groove of binding post 20 21 is rushed to distortion; 2. this structure is because adopting flank 13 to embed the fixed form of connecting groove 21 bottom draw-in grooves, and wire resilient protection plate 10 has a direct stressed process when fixing, adds and easily causes man-hour wire resilient protection plate 10 to be out of shape and its function of remote-effects.
Utility model content
For the deficiencies in the prior art part, the utility model provides the wire resilient protection plate of a kind of side screw compression joint type binding post.It is firm that this wire resilient protection plate is combined with binding post, and ensure that wire resilient protection plate is indeformable among binding post, with the useful life of extension lead resilient protection plate.
For achieving the above object, technical solutions of the utility model are:
The wire resilient protection plate of a kind of side screw compression joint type binding post; this binding post head is provided with connecting groove; in this connecting groove, be equiped with wire resilient protection plate, the sidewall that hold-down screw runs through binding post reaches in connecting groove, to support the wire resilient protection plate in connecting groove.Described wire resilient protection plate is the leg U-shaped that one is long and the other is short, and this U-shaped member comprises a bottom panel, and its main part is a flat face; The left and right side of bottom panel bends respectively and upwards forms the left and right protection side plate that one is long and the other is short, and long protection side plate comprises that one from the upwards transition curved portions of arc bending of bottom panel respective side edge, is connected the vertical component effect of this transition curved portions with one; Short protection side plate is for being tilted to the swash plate of upper bending from bottom panel respective side edge, the end of this swash plate is against on the connecting groove sidewall of binding post; The front and back side of bottom panel is riveted on the cell wall of connecting groove.
Foregoing wire resilient protection plate, the transition arc part of long protection side plate is supported the below of wire resilient protection board position in hold-down screw.
Foregoing wire resilient protection plate, before and after bottom panel, side is the circular arc identical with connecting groove bottom shape.
Foregoing wire resilient protection plate, the radius distance value of the transition curved portions of described long protection side plate is 1.2-1.5mm.The inclination angle of the swash plate of described short protection side plate is 100-110 °.
The usefulness of technique scheme is:
What the utility model changed wire resilient protection plate in prior art is shaped as the leg U-shaped shape that one is long and the other is short.The circular-arc-shaped exterior contour of wire resilient protection plate bottom panel and connecting groove inner bottom surface round-shaped suitable; and bottom panel is mainly flat face, therefore this structure is more conducive to wire and puts into connecting groove, then passes through lock-screw; force screw extrusion elastic, thereby compress wire.Be applied to two riveting point A of wire resilient protection plate bottom panel side and the short protection side plate of perk, can ensure that the bottom panel of wire resilient protection plate is indeformable.After the power applying at release side hold-down screw, can rely on the transition curved portions of long protection side plate that wire resilient protection plate is restored to the original state, ensure the useful life of wire resilient protection plate.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the perspective view of prior art wire resilient protection plate;
Fig. 2 is the use state perspective view of prior art wire resilient protection plate;
Fig. 3 is the perspective view of the utility model wire resilient protection plate;
Fig. 4 is the sectional structure schematic diagram that uses the connector of the utility model wire resilient protection plate;
Fig. 5 uses the utility model wire resilient protection to harden to be combined in the sectional structure schematic diagram in binding post;
Fig. 6 uses the utility model wire resilient protection to harden to be combined in the perspective view in binding post;
Fig. 7 is the use state sectional structure schematic diagram of the utility model wire resilient protection plate.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, clear, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
A kind of side screw compression joint type binding post as shown in Fig. 4-7, this binding post 10 is embedded in the plug-in unit die cavity 20 being provided with at heavy-duty connector.These binding post 10 heads are provided with connecting groove 11, are equiped with a wire resilient protection plate 30 in this connecting groove 11, and the sidewall that hold-down screw 40 runs through binding post 10 reaches in connecting groove 11, to support the wire resilient protection plate 30 in connecting groove 11.
As shown in Figure 3,4, this wire resilient protection plate 30 is the leg U-shaped that one is long and the other is short to the utility model wire resilient protection plate.This U-shaped member comprises a bottom panel 31, and its main part is a flat face.The front and back side 311 of bottom panel 31 is the circular arc identical with connecting groove 11 bottom shapes.The left and right side of bottom panel 31 bends respectively and upwards forms the left and right protection side plate 32,33 that one is long and the other is short.This structure is more conducive to wire 50 and puts into connecting groove 11 bottoms, by the screw 40 that is locked, forces spiral shell to push tight wire resilient protection plate 30, thereby reaches the object of reliable locking wire 50.And this leg U-shaped wire resilient protection plate 30 that one is long and the other is short is simple in structure, is convenient to machine-shaping, utilizes corresponding riveting press equipment can realize the batch production of this kind of binding post.
Described long protection side plate 32 comprises that one from the upwards transition curved portions 322 of arc bending of bottom panel 31 respective side edge, is connected the vertical component effect 321 of this transition curved portions 322 with one.The radius distance value of this transition curved portions 322 is 1.2-1.5mm, and after this vertical component effect 321 extends upwardly to the top of connecting groove 11, connecting groove 11 is extended in bending.Described transition arc part is supported the below of wire resilient protection board position in hold-down screw, in case the favorable elasticity distortion that wire resilient protection plate 30 fractures and keeps wire resilient protection plate 30.
33 of described short protection side plates are to be tilted to upper bending from bottom panel 31 respective side edge
tiltedly plate, the inclination angle of this swash plate is 100-110 °, so that the end of this swash plate is against on connecting groove 11 sidewalls of binding post.Short protection side plate that this is obliquely installed 33 plays the effect of guide effect and support wire baffle simultaneously in wire resilient protection plate 30 injects the process of connecting groove 11.
The front and back side 311 of described bottom panel 31 is riveted on the cell wall of connecting groove 11, and the riveting point of riveted joint place is shown in the A place shown in figure.Thereby wire resilient protection plate 30 is fixed among binding post 10 reliably, and then has ensured the reliability linking between wire 50 and binding post 10.
The operation principle of the utility model terminal-connecting lead; be the plug-in unit die cavity 20 of wire 50 being put into binding post 10; round-shaped suitable because of the circular-arc-shaped exterior contour of wire resilient protection plate 30 bottom panels 31 and connecting groove 11 inner bottom surfaces; and bottom panel is mainly flat face; therefore this structure is more conducive to wire 50 and puts into connecting groove 11; by lock-screw, force screw extrusion elastic again, thereby compress wire 50.Because these wire resilient protection plate 30 bottom panel 31 sides are applied in two riveting point A, and wire resilient protection plate 30 front ends have a perk end, can ensure that the bottom panel 31 of wire resilient protection plate 30 is indeformable.After the power that release side hold-down screw 40 applies, can rely on the transition curved portions 322 of long protection side plate 32 that wire resilient protection plate 30 is restored to the original state, ensure the useful life of wire resilient protection plate 30.
Above-mentioned explanation illustrates and has described preferred embodiment of the present utility model, as previously mentioned, be to be understood that the utility model is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, amendment and environment, and can, in utility model contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not depart from spirit and scope of the present utility model, all should be in the protection range of the utility model claims.