CN205692999U - A kind of connecting terminal block - Google Patents

Abstract

The utility model discloses a kind of connecting terminal block, there is metallic plate agent structure (10) and shell fragment (40), described metallic plate agent structure (10) is rectangular hexahedron, it is provided with at least one concave part (30), so that the joint elastic with described shell fragment (40), between the first arm (12) and second arm (14) of described shell fragment (40), there is elasticity；It is characterized in that: the corner of sidewall (20) inconsistent with first arm (12) of described shell fragment and the second arm (14) in described concave part (30) be formed as symmetrical change into stairstepping.Make what shell fragment (40) can be assembled to be plugged in concave part, and shell fragment both sides snap in concave part and are unlikely to come off.

Description

A kind of connecting terminal block

Technical field

This utility model relates to the connection member of a kind of electrical equipment, especially a kind of connecting terminal block.

Background technology

In electrical equipment, widespread need uses bridging or bridge-set, or needs electric lead is carried out contacting.One The binding post planting the electric lead contacting being typically used for flexibility is screw terminal.Traditional screw terminal attached bag Including the screw of an electric lead for clamping flexibility, this screw is rotatable to be connected in corresponding screw hole, it would be desirable to even The flexible electric lead connect is clamped between the head of screw and connection member so that flexible electric lead is pressed from both sides with contact site Carry out contacting tightly.For avoiding the Flare of the electric lead rope-lay strand (often using thin copper wire) of flexibility to open, and in order to Guaranteeing the good contact between wire and target contact site, end generally uses metallic conduction adnexa and terminates.Traditional screw Screw must be fixed in screwed hole the electric lead flexible with clamping by binding post, and once screw gets loose, and electric lead is just Easily get loose, and its clampingly to operate be loaded down with trivial details.

Another kind of known binding post has elastic clip tight coupling.As Chinese invention patent CN102842785A discloses A kind of binding post structure-improved, including a box body, be formed in one part include a upper wall, two sidewalls, a lower wall, a hole Hole and a shell fragment, this upper wall, two sidewalls and lower wall are around going out a space, and this hole is opened in this upper wall and connects this space and be somebody's turn to do Box portion outside, this shell fragment is upwardly extended in this space by this lower wall and is extended with an end, and this end convexedly stretches in this hole；And One plug connector, including a Plug Division and a clamping part, this clamping part includes holding shrapnel and once holding shrapnel on the one of correspondence； This Plug Division penetrates this space and is plugged in this box body, and this end of this shell fragment is resisted against under this Plug Division, and this Plug Division and presses This end of this shell fragment is in this space.Design with this, make the present invention have increase overall construction intensity and improve shell fragment clamping The effect of power, when shell fragment is when clamping transmission line, can make transmission line more firmly be clamped by shell fragment.But this middle connecting terminal is still So use various parts combination, still inevitably occur during use producing showing of insufficient clamping force owing to part coordinates As.

Additionally, in connecting terminal block, in order to by the connecting terminal block short circuit of different units, conventional shorting pin is not to will Short circuit is carried out with the connecting terminal block of unit.And shell fragment is during grafting repeatedly, easily come off damage, so that wiring Terminal block loses connection function.

Utility model content

Thus setting out, one of the present utility model to solve the technical problem that being to improve shell fragment and the gold of connecting terminal block Belong to the Joint Properties of plate body, thus extend the service life of connecting terminal block.

Another solving the technical problem that of the present utility model is, reduce further shell fragment on clamping direction structure Width, to reduce the overall dimensions of connecting terminal block further.

This utility model provides a kind of connecting terminal block, has metallic plate agent structure and shell fragment, described metallic plate main body Structure is rectangular hexahedron, is provided with at least one concave part, in order to the joint elastic with described shell fragment, the of described shell fragment Between one arm and the second arm, there is elasticity；It is characterized in that: with first arm and of described shell fragment in described concave part The corner of the sidewall that two arms are inconsistent be formed as symmetrical change into stairstepping.

Preferably, described symmetrical change into stairstepping corner between formed there are three different sizes The clearance space of L1, L2 and L3, the wherein lateral dimension of metallic plate agent structure described in L1 ＜ L2 ＜ L3 ＜.

Preferably, the main body of described shell fragment has a lateral dimensions, and the end of two arms of described shell fragment has one Individual maximum lateral dimensions B and minimum lateral dimensions A, and size A ＜ B so that at two arms of described shell fragment End forms a recess, and described recess is suitable to engage with the described concave part of described metallic plate agent structure so that institute The end stating shell fragment always can suitably be matched with in described concave part in deformation process.

Preferably, size A ＜ L1 ＜ B ＜ L2.

Preferably, the bending section of described shell fragment is formed in the following manner: at the first arm and second arm of described shell fragment During the extension close to each other in portion so that described first arm of described shell fragment and the end of described second arm are described Folding at bending section and stick together, such folding reclines by making to constitute described first arm of described shell fragment and described Second arm bends 180 ° and realizes.

Preferably, described first arm and described second arm of described shell fragment are made up of two parts spring steel plate, described First arm and described second arm end connect against one another and constitute the bending section of described shell fragment.

The beneficial effects of the utility model are:

1. due to size B ＜ L2 so that what shell fragment can be assembled is plugged in concave part, and size A ＜ L1, so that Shell fragment both sides snap in concave part and are unlikely to come off.And size L3 of maximum is when also ensuring that assembling, shell fragment can assemble rapidly, and And ensure that when shorting pin inserts, shell fragment has sufficient deformation space.Size A ＜ L1 ＜ B ＜ L2 further preferably, so, bullet Sheet end engaging with concave part change into stairstepping in.

2. the bending section of shell fragment be at the first arm and the second arm in extension close to each other, gradually make The end of one arm and the second arm against one another, so makes shell fragment structure width on clamping direction be reduced, enters And optimize the physical dimension of whole binding post.

Accompanying drawing explanation

Fig. 1 is the axonometric chart in one direction of connecting terminal block of the present utility model.

Fig. 2 is the axonometric chart of the other direction of connecting terminal block of the present utility model.

Fig. 3 is the axonometric chart in the another direction of connecting terminal block of the present utility model.

Fig. 4 is the axonometric chart of the lower section of connecting terminal block of the present utility model.

Fig. 5 is the floor map of the metallic plate of connecting terminal block of the present utility model.

Fig. 6 is the side schematic view of connecting terminal block of the present utility model.

Detailed description of the invention

Below in conjunction with specific embodiment, this utility model is further described, but this utility model is not limited to In these detailed description of the invention.One skilled in the art would recognize that this utility model covers in Claims scope All alternatives, improvement project and the equivalents potentially included.

Embodiment 1

As Figure 1-4, this utility model provides a kind of connecting terminal block, the metallic plate agent structure of this connecting terminal block 10 substantially rectangular hexahedrons, are provided with at least one concave part 30 thereon, and preferred concave part 30 is through metallic plate master The through hole of body structure 10.And the corner of at least one sidewall 20 of concave part 30 be formed as level change into stairstepping.

Connecting terminal block also has shell fragment 40, and shell fragment has the bending section 13 significantly bending to U-shaped, and this bending section 13 has There is a pronounced bending radius, and when being in resting position, the first arm 12 and the second arm 14 of shell fragment can be made Between there is the elasticity being at least located remotely from each other.

The preferably close medium position of metallic plate agent structure 10, the longitudinal extension direction along metallic plate arranges two mirrors As symmetrical concave part 30, the corner of sidewall 20 inconsistent with the first arm 12 of shell fragment and the second arm 14 in concave part 30 Be formed as symmetrical change into stairstepping.

As it is shown in figure 5, in each concave part 30, symmetrical change into stairstepping corner between formed there are three Different size L1, the clearance space of L2 and L3, the wherein lateral dimension of L1 ＜ L2 ＜ L3 ＜ metallic plate agent structure.Preferably , the plurality of stairstepping corner is symmetrical arranged along the axis X in metallic plate agent structure 10 longitudinal extension direction, and these are many Individual stairstepping corner is symmetrical arranged about central transverse axis Y of metallic plate agent structure 10, and the plurality of stairstepping Corner may be contained within the direction of central transverse axis Y in concave part 30 away from metallic plate agent structure 10.

As shown in Figure 6, the main body of shell fragment 40 has a lateral dimensions, and the end of two arms 12,14 of shell fragment has One maximum lateral dimensions B and minimum lateral dimensions A, wherein A ＜ B so that in the end shape of shell fragment arm 12,14 Becoming at least one recess 50, the concave part 30 that this recess 50 is suitable to metallic plate main body 10 engages so that shell fragment arm 12, The end of 14 always can suitably be matched with in concave part 30 in deformation process.

Preferably, size B ＜ L2 so that what the end of the arm 12,14 of shell fragment 40 can be assembled is plugged in concave part 30 In, and size A ＜ L1, so that the end both sides of shell fragment 40 arm 12,14 snap in concave part 30 and are unlikely to come off.And When big size L3 also ensures that assembling, the end of the arm 12,14 of shell fragment 40 can assemble rapidly, and ensures shorting pin 60 During insertion, the end of the arm 12,14 of shell fragment 40 has sufficient deformation space.

Size A ＜ L1 ＜ B ＜ L2 further preferably, so, the engaging of the end of shell fragment and concave part change into stairstepping In.

Embodiment 2

Having a pronounced bending radius from shell fragment in embodiment 1 different, the bending section 13 of shell fragment is at the first arm 12 and second arm 14 in extension close to each other, the end gradually making the first arm 12 and the second arm 14 is mutual Recline, so make shell fragment structure width on clamping direction be reduced, and then optimize the structure chi of whole binding post Very little.

Preferably, the first arm 12 of shell fragment 40 and the end of the second arm 14 fold at bending section 13 and abut in one Rising, such folding reclines and is bent 180 ° by the first arm 12 and the second arm 14 making to constitute shell fragment 40 and realized, excellent The shell fragment of choosing is high-quality spring steel plate manufacture, folds and form in deformation process.

Alternatively, the first arm 12 and second arm 14 of shell fragment 40 can be made up of two parts spring steel plate, the most solely The first vertical arm 12 and the second independent arm 14 end connect against one another and constitute shell fragment 40.First arm 12 and second The end of arm 14 connects against one another and can include but not limited to rivet, welds, bonds or by coupling concaveconvex shape It is mutually connected to each other.

Preferably, bending section 13 can be by fixing (not shown), so that whole shell fragment 40 suitably works.

This utility model content is simply schematically illustrated by above-mentioned specific embodiment, does not represent this utility model content Restriction.It may occur to persons skilled in the art that, in this utility model, concrete structure can have a lot of versions, but The technical characteristics of the used technical solution is same or similar with this utility model, all should be covered by this utility model protection model In enclosing.

Claims (6)

1. a connecting terminal block, has metallic plate agent structure (10) and shell fragment (40), described metallic plate agent structure (10) For rectangular hexahedron, it is provided with at least one concave part (30), in order to the joint elastic with described shell fragment (40), described shell fragment (40) between the first arm (12) and the second arm (14), there is elasticity；It is characterized in that: with institute in described concave part (30) State the corner of first arm (12) of shell fragment and the inconsistent sidewall (20) of the second arm (14) be formed as symmetrical change into Stairstepping.

2. connecting terminal block as claimed in claim 1 a kind of, it is characterised in that: described symmetrical change into stairstepping Corner between formed there is three different sizes L1, the clearance space of L2 and L3, wherein metal described in L1 ＜ L2 ＜ L3 ＜ The lateral dimension of plate agent structure (10).

3. a kind of connecting terminal block as claimed in claim 2, it is characterised in that: the main body of described shell fragment (40) has a side To size, the end of two arms of described shell fragment (40) has maximum lateral dimensions B and a minimum lateral dimensions A, and size A ＜ B so that the end at two arms (12,14) of described shell fragment forms a recess (50), described recessed Enter portion (50) to be suitable to engage with the described concave part (30) of described metallic plate agent structure (10) so that the end of described shell fragment (40) End always can suitably be matched with in described concave part (30) in deformation process.

4. a kind of connecting terminal block as claimed in claim 3, it is characterised in that: size A ＜ L1 ＜ B ＜ L2.

5. a kind of connecting terminal block as claimed in claim 4, it is characterised in that: the bending section (13) of described shell fragment (40) passes through In the following manner is formed: in the first arm (12) and the extension process close to each other of the second arm (14) of described shell fragment (40) In so that described first arm (12) of described shell fragment (40) and the end of described second arm (14) are in described bending section (13) Place's folding sticks together, and described folding reclines by making to constitute described first arm (12) of described shell fragment (40) and described Second arm (14) bends 180 ° and realizes.

6. a kind of connecting terminal block as claimed in claim 5, it is characterised in that: described first arm of described shell fragment (40) (12) it is made up of two parts spring steel plate with described second arm (14), described first arm (12) and described second arm (14) End connects against one another and constitutes the bending section (13) of described shell fragment (40).