CN203026650U

CN203026650U - Wiring terminal and terminal seat

Info

Publication number: CN203026650U
Application number: CN 201220580119
Authority: CN
Inventors: 郑青焕
Original assignee: SHENZHEN SHENGLAN ELECTRIC CO Ltd
Current assignee: SHENZHEN SHENGLAN ELECTRIC CO Ltd
Priority date: 2012-11-06
Filing date: 2012-11-06
Publication date: 2013-06-26
Anticipated expiration: 2022-11-06

Abstract

The utility model relates to the technical field of electrical connection and discloses a wiring terminal and a terminal seat. The wiring terminal comprises a shell with a cavity. The cavity is internally provided with a metal piece. One end of the metal piece extends to the outside of the shell. An upper end of the shell is provided with a through hole which is communicated with the cavity and is inserted by a conducting wire. The cavity is internally provided with an elastic strip with a bended shape. One end of the elastic strip is bent to a position under the through hole. The shell is movably inserted with a movable block which can press against the end of the elastic strip. A lower end of the movable block extends into the cavity and is positioned at an upper end of the elastic strip. Compared with the prior art, when a conducting wire is needed to be connected to the wiring terminal, the movable block is directly pressed, thus the movable block pushes and opens one end of the elastic strip, the conducting wire passes through the end, thus a force which acts on the movable block is eliminated, one end of the elastic strip firmly fixes the conducting wire, thus the conducting wire is stably connected to the metal piece, the whole operation process is simple, and a tool operation is not needed.

Description

Binding post and terminal base

Technical field

The utility model relates to the technical field of electrical connection, relates in particular to binding post and the terminal base that comprises this binding post.

Background technology

Terminal base which is provided with at least one binding post as the accessory product of electrical connection, uses as the connection that facilitates wire.

In prior art, binding post comprises the shell with inner chamber, be provided with sheet metal in inner chamber, sheet metal one end extends to outside shell, also is provided with the through hole of communication with cavity on shell, stretches into for outside wire, after the wire of outside stretches in inner chamber, screw on the turn shell is pressed on wire on sheet metal, thereby realizes the electric connection of wire and sheet metal.

In above-mentioned binding post, due to each access wire or remove wire, all need specially like this, if operate, to be not easy to operation in comparatively narrow electric equipment according to the turn screw; In addition, in long-time use procedure, due to vibration, screw easily occurs loosening, thereby the phenomenon that wire breaks away from binding post occurs, affects the electric equipment normal operation.

The utility model content

The purpose of this utility model is to provide binding post, is intended to solve in binding post of the prior art, utilizes screw access wire, thereby causes being awkward and wire easily breaks away from the problem of binding post.

The utility model is to realize like this, binding post, comprise the shell with inner chamber, be provided with sheet metal in described inner chamber, described sheet metal one end extends to outside shell, described shell upper end is provided with the through hole that is communicated with described inner chamber and inserts for wire, be provided with the elastic strip that is bending in described inner chamber, one end of described elastic strip is bent to below described through hole, the movable movable block that can press on described elastic strip one end that is inserted with on described shell, described movable block lower end extends to described inner chamber, and is positioned at described elastic strip upper end.

Further, described interior cavity wall is provided with projection, and the bending place of described elastic strip is placed on described projection, and an end extends to below described through hole, and the other end presses on described interior cavity wall.

Further, described elastic strip bending place is circular-arc, and its arc angle is less than 60 °.

Further, described elastic strip two ends angle is less than 70 °.

Further, described shell upper end is provided with the groove that is communicated with described inner chamber, and described movable block is actively located in described groove.

Further, be provided with the described activity of restriction between described groove and described movable block with respect to moving the position limiting structure of distance on described shell.

Further, but described position limiting structure comprise the projection that is convexly set in described groove lower end and be located at described movable block lower end and the hook piece of the described projection lower surface of butt.

Further, described movable block upper surface is provided with groove.

The utility model also provides terminal base, comprises pedestal, and described pedestal is provided with at least one above-mentioned binding post.

Compared with prior art, when needs access wire in binding post, directly press movable block, make movable block back down an end of elastic strip, pass for wire, like this, removal acts on the power on movable block, and elastic strip one end can firmly be fixed wire, makes firm being connected on sheet metal of wire, whole operating process is simple, does not need to act on tool operation.

Description of drawings

Fig. 1 is the schematic perspective view one of the terminal base that provides of the utility model embodiment;

Fig. 2 is the schematic perspective view two of the terminal base that provides of the utility model embodiment;

Fig. 3 is the three-dimensional explosive view of the binding post that provides of the utility model embodiment;

Fig. 4 is the cut-away illustration of the binding post that provides of the utility model embodiment;

Fig. 5 is the cut-away illustration that binding post that the utility model embodiment provides is in operating process;

Fig. 6 is the cut-away illustration that binding post that the utility model embodiment provides coordinates with wire.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

The utility model provides binding post, comprise the shell with inner chamber, be provided with sheet metal in described inner chamber, described sheet metal one end extends to outside shell, described shell upper end is provided with the through hole that is communicated with described inner chamber and inserts for wire, be provided with the elastic strip that is bending in described inner chamber, one end of described elastic strip is bent to below described through hole, the movable movable block that can press on described elastic strip one end that is inserted with on described shell, described movable block lower end extends to described inner chamber, and is positioned at described elastic strip upper end.

In the utility model, utilize the interaction between movable block and elastic strip, make wire to penetrate in inner chamber, and be connected on sheet metal, utilize elastic strip that wire is firmly fixing, it is simple to operate, and is easy to use.

Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.

As shown in Fig. 1 ~ 6, the preferred embodiment that provides for the utility model.

With reference to Fig. 1 ~ 2, terminal base 2 comprises pedestal 21 and is arranged at least one binding post 1 on pedestal 21, according to actual needs, generally, a plurality of binding posts 1 can be set all on pedestal 21.

Terminal base 2 is as the accessory of electrical connection, and binding post 1 is connected on electric equipment, and outside terminal can connect on thereon binding post 1, thereby, utilize binding post 1 to realize electric connection between outer lead 3 and electric equipment.

Fig. 1 and Fig. 2 are respectively two kinds of difform terminal bases 2, and be basic identical but its structure forms, and is all the binding post 1 that comprises pedestal 21 and be arranged on pedestal 21, and according to actual needs, its shape can differently arrange.

with reference to Fig. 3 ~ 4, binding post 1 comprises shell 11, is provided with inner chamber 15 in this shell 11, is provided with sheet metal 14 in inner chamber 15, and an end of this sheet metal 14 extends to outside shell 11, is used for and the electric connection such as electric equipment, shell 11 upper ends are provided with through hole 12, these through hole 12 communication with cavity 15 can be inserted for the wire 3 of outside, after the wire 3 of outside directly inserts in inner chamber 15 by this through hole 12, it can be electrically connected with sheet metal 14, thereby realizes the electric connection of wire 3 and sheet metal 14, be provided with the elastic strip 17 of bending in inner chamber 15, an end of this elastic strip 17 extends to the below of through hole 12, also activity is inserted with movable block 13 in the upper end of shell 11, this movable block 13 is under the effect of external force, can move up and down in shell 11, and its lower end extends in inner chamber 15, be positioned at the top of elastic strip 17 1 ends, like this, when movable block 13 moves down, can be connected to an end of elastic strip 17, make elastic strip 17 1 ends swing to the other end, and and the madial wall of inner chamber 15 between the gap appears, like this, outside wire 3 can pass by this gap, be connected on sheet metal 14, like this, remove the active force of movable block 13 upper ends, under the elastic reaction of elastic strip 17, one end of elastic strip 17 swings to inner chamber 15 side-walls, wire 3 is blocked, make wire 3 can not detach inner chamber 15, the firm connection that keeps sheet metal 14, simultaneously, movable block 13 also moves up.

Utilize above-mentioned binding post 1, when needs access wire 3, directly press (or utilizing some strip instruments) movable block 13, movable block 13 is moved in inner chamber 15, can insert wire 3 in through hole 12, when the active force on taking-up

movable block

13,3 ends by elastic strip 17 of wire are firmly compressing, and concrete operations as shown in Figure 5.Whole operating process is simple, does not need professional tool to operate, even in comparatively narrow space, also unusual convenient operation, in addition, after long-time the use, elastic strip 17 power that can not follow the string easily makes wire 3 also can firmly connect, and can not spin off from the inner chamber 15 of shell 11.As shown in Figure 6, be connected to schematic diagram in shell 11 inner chambers 15 for wire 3.

Particularly, the sidewall of inner chamber 15 is provided with projection 16, the bending place of above-mentioned elastic strip 17 is enclosed within on this projection 16, the one end extends to through hole 12 belows, the other end is connected on the inwall of inner chamber 15, like this, in the process that an end of elastic strip 17 is swinging, it can be take projection 16 as the swinging deformation center.

Projection 16 is cylinder, and the bending place of elastic strip 17 is also circular-arc, and the arc angle of this bending place is not more than 60 °, like this, is convenient to the swinging deformation of elastic strip 17.

Under nature, the angle between elastic strip 17 two ends is not more than 70 °.

Certainly, above-mentioned angle limits scope can depending on actual conditions, be not limited to the regulation in the present embodiment.

In the present embodiment, shell 11 upper ends are provided with groove, and this groove is communicated with the inner chamber 15 of shell 11, is positioned at a side of through hole 12, and is positioned at the top of elastic strip 17 1 ends, and above-mentioned movable block 13 activities are plugged in this groove, and the lower end extends in inner chamber 15.

Certainly, in order to prevent that when the pressure that acts on movable block 13 upper ends was eliminated, movable block 13 can be ejected in groove by the elastic force of elastic strip 17, be provided with restraint piece 13 between groove and movable block 13 with respect to the move up position limiting structure of scope of groove.

Particularly, above-mentioned position limiting structure comprises the projection 19 that is arranged on the groove lower end and the hook piece that is arranged on movable block 13 lower ends, hook piece and pass groove, be positioned at the below of projection 19, and can be connected on projection 19, like this, under the restriction of projection 19, when hooking piece and be connected to the lower surface of projection 19, the extreme position that moves up for movable block 13.

For the ease of coordinating of movable block 13 and external tool, movable block 13 upper surfaces are provided with groove 18, can directly coordinate with groove 18 such as the screwdriver of outside etc., thereby realize pressing movable block 13.

According to actual needs, a plurality of inner chambers 15 can be set in shell 11, certainly, accordingly, sheet metal 14 and elastic strip 17 be set in each inner chamber 15, and through hole 12 and groove are set on shell 11, movable block 13 is set in groove.Specifically arrange can depending on actual conditions.

In the present embodiment, above-mentioned shell 11 comprises outer cover body 112 and shrouding 111, and shrouding 111 is sticked in a side of outer cover body 112, encloses the inner chamber 15 that is above-mentioned.Like this, be convenient to shell 11 is dismantled, pair of wire connection terminals 1 is keeped in repair.

Above-mentioned binding post 1 is used in terminal base 2, is convenient to the operation of terminal base 2, also can not make wire 3 spin off from binding post 1.

The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.

Claims

1. binding post, comprise the shell with inner chamber, be provided with sheet metal in described inner chamber, described sheet metal one end extends to outside shell, described shell upper end is provided with the through hole that is communicated with described inner chamber and inserts for wire, it is characterized in that, be provided with the elastic strip that is bending in described inner chamber, one end of described elastic strip is bent to below described through hole, the movable movable block that can press on described elastic strip one end that is inserted with on described shell, described movable block lower end extends to described inner chamber, and is positioned at described elastic strip upper end.

2. binding post as claimed in claim 1, is characterized in that, described interior cavity wall is provided with projection, and the bending place of described elastic strip is placed on described projection, and an end extends to below described through hole, and the other end presses on described interior cavity wall.

3. binding post as claimed in claim 1 or 2, is characterized in that, described elastic strip bending place is circular-arc, and its arc angle is less than 60 °.

4. binding post as claimed in claim 1 or 2, is characterized in that, described elastic strip two ends angle is less than 70 °.

5. binding post as claimed in claim 1 or 2, is characterized in that, described shell upper end is provided with the groove that is communicated with described inner chamber, and described movable block is actively located in described groove.

6. binding post as claimed in claim 5, is characterized in that, is provided with the described activity of restriction between described groove and described movable block with respect to moving the position limiting structure of distance on described shell.

7. binding post as claimed in claim 6, is characterized in that, but described position limiting structure comprises the projection that is convexly set in described groove lower end and is located at described movable block lower end and the hook piece of the described projection lower surface of butt.

8. binding post as claimed in claim 1 or 2, is characterized in that, described movable block upper surface is provided with groove.

9. terminal base, comprise pedestal, it is characterized in that, described pedestal is provided with the described binding post of at least one claim 1 ~ 8 any one.