CN209045449U - A kind of U-shaped spring and relay - Google Patents

Abstract

The utility model provides a kind of U-shaped spring and the relay with the U-shaped spring, U-shaped spring includes being connected by the first end of the first sheet body and the second sheet body and forming flexible U-shaped ontology, the second end of first sheet body and the second sheet body is equipped with for connecting external interconnecting piece, first sheet body is equipped with the blocking rib tilted outward, it handles before plating, in electroplating process, rib is stopped to effectively prevent being overlapped between U-shaped spring, it will not be overlapped because of part and cause rough surface, plating leakage etc. is bad, improve part plating production qualification rate, it ensure that part can be higher using production efficiency simultaneously, the better barrel plating mode of quality of coating is electroplated, significant increase electroplating efficiency, reduce the cost of part plating；And structure is simple.

Description

A kind of U-shaped spring and relay

Technical field

The utility model relates to relay field, the design of part inside relay is further related to, is specially provided The U-shaped spring that a kind of structure is simple, part can be prevented to be overlapped and the relay with the U-shaped spring.

Background technique

U-shaped spring 1 ' used in existing relay (such as one cubic inch of relay) as shown in Figure 1, use silver alloy sheet material It is stamping.For the connection structure of U-shaped spring 1 ' as shown in Fig. 2, the upper end of U-shaped spring 1 ' connects supporting spring 4 ', lower end connects transition plate 3 ', And exit 2 ' is connected by the transition plate 3 ', and then be resiliently attached between supporting spring 4 ' and exit 2 '.

Existing U-shaped spring 1 ' before assembly, needs that individually U-shaped spring part is electroplated, if before plating pickling when zero The overlapped position of part can generate coarse trace, and the coarse trace after electroplating gold is caused to become apparent.And part in the plating process Overlapping leads to the plating leakage of part portion region, causes U-shaped spring electroplating process fraction defective, scrappage high.In the prior art, to avoid zero Part overlapping has to be electroplated by the way of rack plating, but rack plating mode production efficiency is low, at high cost.

Utility model content

For this purpose, the utility model is improved for the structure of U-shaped spring, the U that a kind of structure is simple, part can be prevented to be overlapped is provided Shape spring and relay with the U-shaped spring.

To achieve the above object, the technical scheme that the utility model is provided is as follows:

A kind of U-shaped spring forms flexible U-shaped sheet including being connected by the first end of the first sheet body and the second sheet body The second end of body, first sheet body and the second sheet body is equipped with for connecting external interconnecting piece, is set on first sheet body There is the blocking rib tilted outward.

Further, by the first sheet body, integrally punching is bent the blocking rib.

Further, first sheet body stops rib to be equipped with two, and respectively corresponds the two sides position of the first sheet body.

Further, also bending extends to form extension to the second end of first sheet body and the second sheet body outward, institute Interconnecting piece is stated to be arranged on extension.

Further, the interconnecting piece is slot or connection-peg.

Further, the blocking rib tilted outward is equipped with also on second sheet body.

Further, first sheet body and the second sheet body are integrated connection structure.

A kind of relay, including at least U-shaped spring described above.

By technical solution provided by the utility model, have the following beneficial effects:

It is set on the first sheet body of U-shaped spring to the blocking rib tilted outward, is handled before plating, in electroplating process, resistance Block reinforcement item effectively prevent being overlapped between U-shaped spring, will not be overlapped because of part and cause rough surface, plating leakage etc. bad, improve Part plating production qualification rate, at the same ensure that part can using production efficiency higher, quality of coating better barrel plating side Formula is electroplated, significant increase electroplating efficiency, the cost for reducing part plating；And structure is simple.

Detailed description of the invention

Fig. 1 show the structural schematic diagram of the U-shaped spring of relay in the prior art；

Fig. 2 show the attachment structure schematic diagram of U-shaped spring in the prior art；

Fig. 3 show the stereoscopic schematic diagram of the U-shaped spring of relay in the present embodiment；

Fig. 4 show the side view of the U-shaped spring of relay in the present embodiment；

The U-shaped spring that Fig. 5 show relay in the present embodiment prevents the schematic diagram of superposition；

Fig. 6 show the attachment structure schematic diagram of U-shaped spring in the present embodiment；

Fig. 7 show the structural decomposition diagram of relay in the present embodiment.

Specific embodiment

To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.

Now in conjunction with the drawings and specific embodiments, the present invention will be further described.

Referring to shown in Fig. 3, Fig. 4, a kind of U-shaped spring 1 provided in this embodiment, including by the first sheet body 11 and the second sheet body 12 First end be connected and form flexible U-shaped ontology, specifically, the first sheet body 11 and the second sheet body 12 are integrated connection Structure is formed by a sheet metal integrated punching, and preparation is easy.Of course, in other embodiments, the first sheet body 11 and second Body 12 is also possible to individual sheet body, subsequently through assembling or be welded and fixed.

The second end of first sheet body 11 and the second sheet body 12 is equipped with for connecting external interconnecting piece, specifically, The interconnecting piece of the second end of first sheet body 11 is connection-peg 151, and the interconnecting piece of the second end of second sheet body 12 is slot 152.Of course, in other embodiments, the structure of interconnecting piece is also possible to the structure conventionally used for connection in the prior art, such as Clamping structure or spiro connection structure etc..

Specifically, the first sheet body 11 described in the present embodiment is equipped with the blocking rib 13 tilted outward, stop rib 13 Equipped with two, integrally it is punched and is bent by the two sides of the first sheet body 11, is i.e. the two sides of the first sheet body 11 are punched to form item After the bead structures of shape, then bend so that the rib tilts outward, and then is formed and stop rib 13.Stop rib 13 by first 11 one punching of body is bent, and can be directly obtained on the basis of original structure, increases part without additional, structure is simple, system It is standby easy.Of course, in other embodiments, stopping the quantity of rib 13 also to can be set one or two or more, barrier rib Item 13, which is also possible to integrally be punched by the middle position of the first sheet body 11, to be bent.

Stop the effect of rib 13 to be: before plating processing, in electroplating process, the blocking rib 13 prevent U-shaped spring 1 it Between be overlapped, the schematic diagram of anti-overlapping is as shown in Figure 5.

Further, in the present embodiment, the second end of first sheet body 11 and the second sheet body 12 also prolong outward by bending It stretches to form extension 14, the interconnecting piece is arranged on extension 14.The extension for bending extension outward 14 is set, so that U-shaped ontology can keep it hanging, be less prone to overlapping far from external structure.

In the present embodiment, only setting stops rib 13 in other embodiments can also on the first sheet body 11 of U-shaped spring 1 Same blocking rib is arranged in the first sheet body 12, the effect of anti-overlapping is more preferable.

Continue shown in Fig. 6, Fig. 7, the present embodiment provides a kind of relays, specially one cubic inch of relay, at least wrap U-shaped spring 1 described above is included, the U-shaped ontology is arranged in hanging, the second end of first sheet body 11 and the second sheet body 12 Interconnecting piece is separately connected the transition plate 4 on supporting spring 5 and exit 3, i.e. 151 grafting of connection-peg of the second end of the first sheet body 11 To supporting spring 5, the slot 152 of the second end of the second sheet body 12 is plugged on the transition plate 4 on exit 3.First sheet body The corresponding supporting spring 5 of the blocking rib 13 tilted on 11, i.e. blocking rib 13 are between the first sheet body 11 and supporting spring 5, the barrier rib Item 13 does not influence the structure and movement of relay.

Further, being also sticked between the first sheet body 11 and the second sheet body 12 of the U-shaped spring 1 has a small-sized U-shaped spring 2, The small-sized U-shaped spring 2 can enhance the structure of U-shaped spring 1, effectively delay the elastic fatigue of U-shaped spring 1.

By the scheme of above-mentioned offer, set on the first sheet body 11 of U-shaped spring 1 to the blocking rib 13 tilted outward, In pre-electroplating treatment, electroplating process, the effect of rib 13 is stopped to be to prevent from being overlapped between U-shaped spring 1, it will not be because of part Overlapping causes rough surface, plating leakage etc. bad, improves part plating production qualification rate, while ensure that part can be using life It produces more efficient, the better barrel plating mode of quality of coating to be electroplated, significant increase electroplating efficiency reduces part plating Cost；And structure is simple.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims (8)

1. a kind of U-shaped spring, it is characterised in that: formed including being connected by the first end of the first sheet body and the second sheet body with bullet Property U-shaped ontology, the second end of first sheet body and the second sheet body is equipped with for connecting external interconnecting piece, described first Sheet body is equipped with the blocking rib tilted outward.

2. U-shaped spring according to claim 1, it is characterised in that: the blocking rib is by the integrally punching bending of the first sheet body It forms.

3. U-shaped spring according to claim 1 or 2, it is characterised in that: the blocking rib on first sheet body is equipped with two It is a, and respectively correspond the two sides position of the first sheet body.

4. U-shaped spring according to claim 1, it is characterised in that: the second end of first sheet body and the second sheet body also to Outside bending extends to form extension, and the interconnecting piece is arranged on extension.

5. U-shaped spring according to claim 1 or 4, it is characterised in that: the interconnecting piece is slot or connection-peg.

6. U-shaped spring according to claim 1, it is characterised in that: be equipped with the resistance tilted outward also on second sheet body Block reinforcement item.

7. U-shaped spring according to claim 1, it is characterised in that: first sheet body and the second sheet body are integrated connection knot Structure.

8. a kind of relay, it is characterised in that: including at least any U-shaped spring of the claims 1-7.