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Application of composite watchband contact finger in switch


Release time:

2022-05-30

The utility model relates to a high-voltage switch device, in particular to a composite watchband touch finger fixing structure. At present, the application of composite watchband contact finger in switching equipment is more and more extensive, but most of them are used on cylindrical conductors, or on contacts, or on contact bases, which are ring-shaped and used on Simpler. To be sure, after opening a dovetail groove on the contact plane of the conductor, directly install the strip contact finger in the groove, and then knock off the end of the dovetail groove to prevent the strip contact finger from falling off. In the above assembly process, it is very difficult to process the dovetail groove on the contact seat, and the fixing method of the end is not reliable.

Application of composite watchband contact finger in switch

The utility model relates to a high-voltage switch device, in particular to a composite watchband touch finger fixing structure.

Background technology:

At present, the application of composite watchband contact finger in switching equipment is more and more extensive, but most of them are used on cylindrical conductors, or on contacts, or on contact bases, which are ring-shaped and used on Simpler. To be sure, after opening a dovetail groove on the contact plane of the conductor, directly install the strip contact finger in the groove, and then knock off the end of the dovetail groove to prevent the strip contact finger from falling off. In the above assembly process, it is very difficult to process the dovetail groove on the contact seat, and the fixing method of the end is not reliable.

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Composite watchband touch finger utility model content

The purpose of the utility model is to provide a watchband touch finger fixing structure with simple processing and firm fixing. In order to achieve the above object, the technical solution of the present invention is that the present invention is a watchband contact finger fixing structure, comprising a watchband clip, a watchband contact finger and a contact finger base. The belt clip clipped on the finger frame is fixed on the side wall of the U-shaped finger frame. In the side wall of the U-shaped contact base, at least one straight wide groove is formed in the longitudinal direction, and a straight narrow groove is formed at the bottom surface of the wide groove near the wall surface of the two grooves. The lower part of the watchband is stuck in the narrow groove, the upper part of the watchband clip protrudes from the bottom surface of the wide groove of the finger base and folds inward, and the inner folding surface and the bottom surface form a wide groove separating the finger base; the gap between the inner folding surface of the watchband clip and the bottom surface of the wide groove of the contact base is clamped with two long sides of the contact finger. The inner folding surface of the upper part of the band clamp is bent inward at the notch end of the narrow groove of the contact base. The lower part of the band clamp is U-shaped, and the width is slightly larger than the width of the narrow groove of the finger seat. The contact finger base has two wide slots and four narrow slots. After the utility model adopts the above scheme, the belt clamp is installed in the narrow groove of the finger seat, because the lower part of the belt clamp is U-shaped, made of stainless steel, and has a spring structure. When the strap clip is pressed into the narrow slot of the finger clip, the U-shaped lower part of the strap clip will rebound after being pressed. Since the stainless steel is harder than the aluminum used for the finger clip, the lower part of the watch with the clip will be firmly clamped into the narrow slot of the finger holder. With this structure, the band clip is fixed in the narrow groove and the straight groove of the contact finger base, and the band contact finger is fixed at the same position by both sides of the band clip. Since the wide groove and the narrow groove on the side wall of the contact base of the present invention are straight grooves, it is easy to process.

The concrete realization of the touch finger of the composite watchband

The utility model relates to a composite watchband touch finger fixing structure, which comprises a watchband clip, a watchband touch finger and a touch finger base. On the side wall of the U-shaped contact base, there are two straight wide grooves along the longitudinal direction, and straight narrow grooves are respectively opened at the bottom surface of the wide groove and the wall surface close to the two grooves. The lower part is U-shaped, and the width is slightly larger than the width of the narrow groove of the finger seat (four in total). The bottom surface of the wide groove of the finger seat is folded outward and inward, and the inner folding surface is spaced from the bottom surface of the wide groove of the finger seat and the inner folding surface of the upper part of the band clamp at the notch end of the narrow groove of the finger seat. The inward bending, preferably at a bending angle, serves to prevent the contact fingers of the strip from coming out of the wide grooves of the contact finger base. When the band contact finger is inserted into the wide groove of the contact finger base, the two long sides of the band contact finger are clamped in the gap between the inner folding surface of the band clamp and the bottom surface of the wide groove of the connector. Touch the finger seat. Fold one end of the band clamp down and inward to form an angle with the plane, and then gently press the band clamp into the narrow groove of the finger clamp.

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