CN205406744U

CN205406744U - Connection terminal base

Info

Publication number: CN205406744U
Application number: CN201620160423.4U
Authority: CN
Inventors: 刘怀珍
Original assignee: Nanjing Liuwu Technology Industries Co Ltd
Current assignee: Nanjing Liuwu Technology Industries Co Ltd
Priority date: 2016-03-02
Filing date: 2016-03-02
Publication date: 2016-07-27
Anticipated expiration: 2026-03-02

Abstract

The utility model discloses a connection terminal base, including the base, the chamber is placed to inside sunken being formed with in the surface of base, places the intracavity and is provided with the conducting strip, and the bottom of placing the chamber is provided with the through -hole, place and be provided with the apron on the chamber, the apron to place the chamber sunken be formed with with the nip portion of the free end butt of conducting strip, the both ends of apron are formed with goes on dismantling the fixed part of being connected with the base. Through placing the intracavity with the conducting strip setting, through the nip portion undercut with the downward pressfitting of conducting strip, can contact each other with the bottom of conducting strip after making the cable wear to establish the through -hole, the height dimensions who prevents the conducting strip takes place after the deviation, can't carry out the problem that contacts with the cable, nip portion makes the conducting strip take place to warp downwards, even the height dimensions of conducting strip has produced the error, make conducting strip and cable contact, prevent when the conducting strip from leading to absolutely when being connected with the electricity between the cable, make the stability of circuit better.

Description

Terminal block

Technical field

This utility model relates to electric connector field, particularly to a kind of terminal block.

Background technology

Binding post is a kind of aftermarket product for realizing electrical connection, the industrial category being divided into adapter. more and more higher along with industrial automatization and Industry Control requirement is increasingly stricter, accurate, the consumption of binding post goes up gradually, development along with electron trade, the use scope of binding post gets more and more, and kind also gets more and more.

In prior art, the patent of invention that application number is " 201210226360.4 " discloses a kind of shield terminal, it is disclosed that the structure of a kind of binding post, in particular, this middle connecting terminal is a kind of for by cable clamping fixture on metallic conduction sheet.

Simultaneously, as shown in Figure of description 1, this is also the structure of a kind of binding post, that includes the base being mounted with metallic conduction sheet, and base is provided with cover plate, but in use find, metallic conduction sheet after built-in bending is due to internal stress reason or places for a long time, the elastic reduction of metallic conduction sheet, and metallic conduction sheet there occurs downwards movement, there is intermittent open circuit in the conductive effect making terminal block, affects the use of power equipment.

Utility model content

The purpose of this utility model is to provide the terminal block that a kind of circuit stability is good.

Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of terminal block, including base, the surface of described base caves inward and is formed with placed cavity, it is provided with conducting strip in described placed cavity, the bottom of described placed cavity is provided with through hole, being provided with cover plate on described placed cavity, described cover plate is formed with, to placed cavity depression, the nip portion that the free end with conducting strip abuts, and the two ends of described cover plate are formed and carry out, with base, the fixed part that removably connects.

By adopting technique scheme, conducting strip is arranged in placed cavity, then pass through nip portion concave downward by downward for conducting strip pressing, can contact with each other with the bottom of conducting strip after making cable be fed through through hole, after preventing the height dimension generation deviation of conducting strip, the problem that cannot carry out contacting with cable, nip portion makes conducting strip deform downwards, even if the height dimension of conducting strip creates error, it also is able to make conducting strip naturally define downward radian by nip portion, conducting strip is made to contact with cable, prevent the electrical connection switch-on and-off between conducting strip and cable, the stability making circuit is better.

As preferably, described fixed part includes being downwardly extending clamping part, the inwall of described clamping part and base clamping along the short transverse of cover plate.

By adopting technique scheme, it is that cover plate is fixed by the clamping with base of clamping part, strengthens the fixed effect between cover plate and base, also allow for carrying out the dismounting between cover plate and base simultaneously, facilitate the installation of terminal block.

As preferably, being bent outwardly between described nip portion and clamping part and be formed with rib.

By adopting technique scheme, it is provided by rib, serve the structural strength strengthening cover plate, rib is outwards curved simultaneously, namely defines natural arc at the two ends of cover plate, compared to the cover plate that right angle is arranged, the problem that stress is concentrated will not be there is in this position, cambered surface owing to being bent to form has the effect well disperseing stress, namely in the process opening cover plate, will not rupture between nip portion and clamping part.

As preferably, the cross sectional shape of described nip portion is in the circular arc caved inward.

By adopting technique scheme, the cross sectional shape of nip portion is in the circular arc caved inward, by contacting of the side of circular arc nip portion and conducting strip, conducting strip can be curved downwards, without the need for being provided with downwardly projecting unnecessary part, relative saves the material producing terminal block.

As preferably, the cross sectional shape of described rib is outwardly circular arc.

As preferably, the outline contact of a curve of described rib and nip portion.

By adopting technique scheme, tangent by the outline curve of rib and nip portion, the stagewise avoiding rib and nip portion is arranged, an entirety can be formed, particularly in the process opening cover plate, it is primarily due to the nip portion caved inward, lid can aduncate radian bigger, simultaneously again due to bandy rib, the dissipation of ferees of this position effective, stress will be occurred to concentrate in this position, the problem that namely fracture will not occur, simultaneously in fixing process, because the nip portion of concave downward, so the both sides of cover plate receive inside active force, the both sides of cover plate constantly inwardly compress, enhance fixing effect, when particularly nip portion is subject to the ejecting force upwards of conducting strip, the both sides of cover plate can inwardly be tightened up further, fixed effect is better.

As preferably, described clamping part includes the vertical plate that is connected with cover plate and is arranged on the pothook bottom vertical plate, the sidewall of described base caves inward and is formed for the first cascaded surface that vertical plate is placed, and described first cascaded surface caves inward and is formed for the second-order tread of pothook inlay card.

By adopting technique scheme, first cascaded surface is to hold vertical plate, prevent vertical plate from protruding from the side of base, prevent in the process used, the surface of vertical plate receives the abrasion in the external world, second-order tread is to match with the first cascaded surface, thus forming the horizontal plane of enough pothook inlay cards, strengthens fixed effect.

As preferably, described pothook includes the first horizontal plane with the laminating of the bottom of the first cascaded surface and the first vertical plane of second-order tread laminating, outward-dipping spigot surface and the second horizontal plane from inside to outside successively.

By adopting technique scheme, the bottom of the first horizontal plane and the first cascaded surface is bonded to each other, it is prevented that cover plate, at the play of the vertical direction of base, strengthens fixed effect；First vertical plane is bonded to each other with second-order tread simultaneously, it is prevented that the left and right play of the horizontal direction of cover plate and base；The effect of spigot surface is when cover plate is opened, spigot surface can be bonded to each other with second-order tread, decrease the scuffing on the second-order tread surface that the acute angle between the first vertical plane and the second horizontal plane causes, it is simultaneously directed to face and can reduce in the process that cover plate is opened simultaneously, reduce the deflection of nip portion.

As preferably, the side opposing with pothook, the side of described vertical plate is outward extended with the inlay card portion for pulling vertical plate.

By adopting technique scheme, inlay card portion stretches into for the fingernail for finger, conveniently carries out extracting of cover plate.

As preferably, being provided with cavity in described pothook, be filled with gum elastic in described cavity.

By adopting technique scheme, by being filled with gum elastic in cavity, one enhances the structural strength of pothook, and after pothook stress, rubber serves good damping effect；It is two after pothook ruptures, and the sidewall of cavity is all had certain adhesion sister-in-law by gum elastic, it is prevented that post-rift chip produces.

In sum, this utility model has the advantages that

1, nip portion is to the downward pressing of conducting strip, strengthens the electrical connection stability of conducting strip and the cable in through hole；

2, the rib of circular arc strengthens the anti crack performance of the both sides of cover plate, it is to avoid the cover plate structural strength when opening and closing；

3, the combined effect of rib and nip portion is, due to both outline contact of a curve, so when opening with closure flap, stress will be occurred to concentrate in the position that rib and nip portion connect, thus situation about rupturing；

4, vertical plate and pothook strengthen fixed effect when it is installed, and conveniently carry out dismantling and fixing.

Accompanying drawing explanation

Fig. 1 is the structural representation of binding post of the prior art；

Fig. 2 is the structural representation of embodiment one；

Fig. 3 is the generalized section one of embodiment one, for showing the annexation of cover plate and base；

Fig. 4 is the structural representation of embodiment two；

Fig. 5 is the generalized section one of embodiment two, for embodying the annexation between conducting strip, base and cover plate；

Fig. 6 is the generalized section two of embodiment two, for embodying the annexation of clamping part；

Fig. 7 is the dismounting schematic diagram of embodiment two.

In figure, 0, cable；1, base；11, placed cavity；12, conducting strip；13, through hole；14, the first cascaded surface；15, second-order tread；2, cover plate；21, nip portion；22, clamping part；221, vertical plate；222, pothook；23, rib；24, inlay card portion；25, cavity；26, gum elastic；31, the first horizontal plane；32, the first vertical plane；33, spigot surface；34, the second horizontal plane.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made the amendment not having creative contribution as required by those skilled in the art after reading this specification, but as long as being affected by the protection of Patent Law in right of the present utility model.

nullEmbodiment 1: a kind of terminal block，As shown in Figure 2，Including base 1，The placed cavity 11 placing conducting strip 12 it is provided with in base 1，As shown in Figure 3，The shape of conducting strip 12 is in the T-shaped of upset，The bottom of placed cavity 11 is provided with through hole 13，Through hole 13 wears for cable 0 or supplies the contact of pcb board to wear，Thus electrically connecting with conducting strip 12，The top of placed cavity 11 is covered with cover plate 2，The both sides of placed cavity 11 are provided with groove，Then the both sides card embedded groove of cover plate 2 achieve fixing，The both sides of groove and cover plate 2 define fixed part，During the center of cover plate 2, concave downward forms nip portion 21，Note thickness consistent of plate simultaneously，One piece of additional projection can also be set downwards，Thus having compressed the upper surface of conducting strip 12，Make the position closer to through hole 13, the bottom of T-shaped conducting strip 12，Strengthen the contact effect of conducting strip 12.

The installation process of embodiment 1 is, as shown in Figure 3, T-shaped conducting strip 12 is placed in placed cavity 11, then the side of cover plate 2 is first placed in groove, then in the opposite side of cover plate 2 card entry slot again, the center concave downward of cover plate 2 simultaneously, by downward for conducting strip 12 pressing, it is achieved that fixing of conducting strip 12.

In the use procedure of embodiment 1, the left and right sides of the conducting strip 12 of terminal block electrically connects with circuit, and the top of conducting strip 12 electrically connects with circuit simultaneously, it is achieved that the mixed connection of circuit.

nullEmbodiment 2: a kind of terminal block，As shown in Figures 4 to 7，It is distinctive in that with embodiment，Because the structure of fixed part is different，So the attachment structure that result between fixed part and nip portion 21 is all made that improvement，In embodiment 2，Fixed part includes the clamping part 22 that cover plate 2 downwardly extends out，Clamping part 22 includes vertical plate 221 and is arranged on the pothook 222 of the inside side of vertical plate 221，The shape of pothook 222 includes the first horizontal plane 31、First vertical plane 32、The first outward-dipping spigot surface 33 and the second horizontal plane 34，The shape of the second horizontal plane 34 can also be arranged to arc chord angle，The shape of base 1 is because pothook 222 also adjusts simultaneously，The position contacted with pothook 222 in the side of base 1 caves inward and is formed for the first cascaded surface 14 that vertical plate 221 is placed，First cascaded surface 14 caves inward and is formed for the second-order tread 15 of pothook 222 inlay card，First horizontal plane 31 is that the bottom with the first cascaded surface 14 fits simultaneously，First vertical plane 32 fits with second-order tread 15.

As Fig. 7 shows, the side of vertical plate 221 being provided with inlay card portion 24, inlay card portion 24 stretches into for fingernail, and the section shape in inlay card portion 24 is an arc upwards dug simultaneously, defines, with the side of vertical plate 221, the chamber stirring cover plate 2 for fingernail stretched into for fingernail.

As shown in Figure 6, because being provided with vertical plate 221, and mounted and dismounted by this interface arrangment, the link position that general right angle is arranged is very easy to rupture due to outside bending, it is formed with rib 23 so being bent outwardly between nip portion 21 and clamping part 22, the cross sectional shape of nip portion 21 is in the circular arc caved inward, the cross sectional shape of rib 23 is outwardly circular arc, rib 23 and the outline contact of a curve of nip portion 21, then define integral part of arc shape.

nullThe installation process of embodiment 2 is，By by downward for cover plate 2 pressing，Then due to the existence of spigot surface 33，Vertical plate 221 expands outwardly，The sidewall sliding of the first vertical plane 32 and the first cascaded surface 14，The rib 23 of circular arc does not bend simultaneously，The nip portion 21 making the circular arc caved inward curves inwardly further，The position connected in nip portion 21 and vertical plate 221 is avoided to deform and produce fracture，Reinforcement structure intensity，When pothook 222 is moved downward to second-order tread 15，First horizontal plane 31 abuts with the bottom of the first cascaded surface 14，Prevent cover plate 2 prolapse upwards，First vertical plane 32 fits with second-order tread 15 simultaneously，Strengthen fixed effect，The nip portion 21 of cover plate 2 extrudes conducting strip 12 simultaneously，Conducting strip 12 is made to electrically connect with the cable 0 in through hole 13，Conducting strip 12 is due to deformation，So upwards ejecting，Decrease the gap bottom the first horizontal plane 31 and the first cascaded surface 14，Prevent cover plate 2 from shaking in the height direction，Complete the installation process of terminal block.

The unloading process of embodiment 2 is, as shown in Figure 7, by fingernail card is embedded in inlay card portion 24, then cover plate 2 is rotated to side, spigot surface 33 can be bonded to each other with second-order tread 15, decreases the scuffing on second-order tread 15 surface that the acute angle between the first vertical plane 32 and the second horizontal plane 34 causes, is simultaneously directed to face 33 in the process that cover plate 2 is opened, decreasing the deflection that nip portion 21 is deformed inward, the process of being specially is decrease the face of being directed to 33 to arrange a small distance in acute angle.

Simultaneously embodiment 1 with in embodiment 2, cavity 25 can be provided with in pothook 222, be filled with gum elastic 26 in cavity 25 simultaneously, both can enhance the structural strength of pothook 222, after pothook 222 stress, rubber serves good damping effect；Simultaneously after pothook 222 ruptures, the sidewall of cavity 25 is all had certain adhesion sister-in-law by gum elastic 26, it is prevented that post-rift chip produces.

Claims

1. a terminal block, including base (1), the surface of described base (1) caves inward and is formed with placed cavity (11), conducting strip (12) it is provided with in described placed cavity (11), the bottom of described placed cavity (11) is provided with through hole (13), described placed cavity (11) is provided with cover plate (2), it is characterized in that: described cover plate (2) is formed with, to placed cavity (11) depression, the nip portion (21) that the free end with conducting strip (12) abuts, the two ends of described cover plate (2) are formed and carry out, with base (1), the fixed part that removably connects.

2. terminal block according to claim 1, it is characterized in that: described fixed part includes being downwardly extending clamping part (22), the inwall of described clamping part (22) and base (1) clamping along the short transverse of cover plate (2).

3. terminal block according to claim 2, it is characterised in that: it is bent outwardly between described nip portion (21) and clamping part (22) and is formed with rib (23).

4. terminal block according to claim 3, it is characterised in that: the cross sectional shape of described nip portion (21) is in the circular arc caved inward.

5. terminal block according to claim 4, it is characterised in that: the cross sectional shape of described rib (23) is outwardly circular arc.

6. terminal block according to claim 5, it is characterised in that: the outline contact of a curve of described rib (23) and nip portion (21).

7. terminal block according to claim 2, it is characterized in that: described clamping part (22) includes the vertical plate (221) being connected with cover plate (2) and the pothook (222) being arranged on vertical plate (221) bottom, the sidewall of described base (1) caves inward and is formed for the first cascaded surface (14) that vertical plate (221) is placed, and described first cascaded surface (14) caves inward and is formed for the second-order tread (15) of pothook (222) inlay card.

8. terminal block according to claim 7, it is characterised in that: described pothook (222) includes the first vertical plane (32), outward-dipping spigot surface (33) and the second horizontal plane (34) that the first horizontal plane (31) and second-order tread (15) with the laminating of the bottom of the first cascaded surface (14) are fitted from inside to outside successively.

9. terminal block according to claim 7, it is characterised in that: the opposing side of the side of described vertical plate (221) and pothook (222) is outward extended with the inlay card portion (24) for pulling vertical plate (221).

10. terminal block according to claim 7, it is characterised in that: it is provided with cavity (25) in described pothook (222), in described cavity (25), is filled with gum elastic (26).