CN201364859Y

CN201364859Y - Novel connection terminal of breaker

Info

Publication number: CN201364859Y
Application number: CNU2009201135458U
Authority: CN
Inventors: 张晨; 邵忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-06
Filing date: 2009-02-06
Publication date: 2009-12-16
Anticipated expiration: 2019-02-06

Abstract

The utility model relates to a connection terminal of a breaker, in particular to a novel connection terminal of a breaker that can be separated from a breaker body rapidly to enable that power cut is not needed when repairing the breaker. The connection terminal comprises a plastic base, the shape and size of the front end of the plastic base are adapted to that of a wiring access of the breaker body, the front part and the rear part of the plastic base are communicated with each other, a metal binding post is sleeved in the front end of the plastic base, a screwed hole is arranged at the front end of the metal binding post, one end of a terminal board extends into the rear end of the plastic base and is fixedly and electrically connected with the metal binding post, and the other end thereof is exposed outside the plastic base. By adopting the connection terminal, the breaker body is labor-saving and convenient when in connection, and the electrical connection is reliable in performance, meanwhile, a power supply need not be cut when repairing the breaker body.

Description

Novel connecting terminal of circuit breaker

Technical field

The utility model relates to a kind of binding post of circuit breaker, thereby makes circuit breaker not need the novel connecting terminal of circuit breaker that has a power failure when keeping in repair particularly a kind of can the separation fast with breaker body.

Background technology

The common mode of connection of breaker of plastic casing has two kinds at present, a kind of is wiring before the plate, another kind is wiring behind the plate, these two kinds of modes of connection all are that power patch panel is directly connected on the connection jaws of circuit breaker, need keeping in repair in case circuit breaker breaks down like this, then must be earlier with whole power cut-off, and then each power patch panel separated from the connection jaws of circuit breaker one by one, thereby unload circuit breaker.Obvious this mode is very inconvenient, be directed to this, a kind of plug-type mode of connection now also appears, this mode of connection is that power patch panel is connected on the terminal block of a binding post, this binding post is fixedly mounted on circuit breaker and installs on the base plate, also be provided with the contact of one " tulip finger " shape on this binding post, and on the connection jaws of breaker body, connect a cylindrical binding post in addition, breaker body is realized being electrically connected be plugged in the contact of " tulip finger " shape of binding post by this cylindrical binding post in, when needing the circuit breaker maintenance like this, can easily breaker body be transferred to breaker body and power supply have been disconnected, therefore operate more convenient.But a problem also appears in the binding post of existing this band " tulip finger " shape contact: be exactly " tulip finger " then to make the electrical connection properties of breaker body and this binding post bad inadequately as if the elasticity power of holding tightly, it is unreliable to be electrically connected; And if guarantee that electrical connection properties makes " tulip finger " have enough elasticity and holds power tightly, then breaker body is required great effort again when plug very much, and, use the breaker body of this binding post owing to also need to add in addition cylindrical binding post, therefore increased operation again and also increased simultaneously cost.

The utility model content

The purpose of this utility model is to solve the deficiency of above-mentioned binding post, and a kind of reliable, novel connecting terminal of circuit breaker of not needing deenergization simultaneously when breaker body is repaiied of laborsaving convenience and electrical connection properties when breaker body is connected is provided.

The purpose of this utility model is achieved by the following technical solution: a kind of novel connecting terminal of circuit breaker, include plastic base, the connection jaws of the shape of the front end of this plastic base, size and breaker body is suitable, described plastic base is forward and backward to connect, in the front end of plastic base, be arranged with the metal connection post, the front end of this metal connection post is provided with screwed hole, advances terminal block one end and stretches into that plastic base fixedly is electrically connected with the rear end of metal connection post, the other end is exposed to outside the plastic base.

Further, the hole of the installation metal connection post of the front end of described plastic base is a stepped hole, and described metal connection post should be step-like mutually.

Further, be that polygon post hole constitutes described stepped hole thereby its front end of hole of described installation metal connection post is cylindrical hole, rear end, it is that cylinder, rear end are the polygon cylinder that described metal connection post corresponds to front end.

Further, the screwed hole of described metal connection post is a through hole, the sidewall of described plastic base is provided with flat square hole, advance that terminal block passes that this flat square hole is stretched the rear end that places the metal connection post and be close to the metal connection post by screw to fixedly connected, the front end of this screw and the front end face of screwed hole also differ certain distance.

Further, the rear end of described metal connection post is provided with flat square groove, describedly advances terminal block and is stretched into by the rear end of plastic base and be inserted in this flat square groove and with the metal connection post and weld.

Further, the rear end of described plastic base also is provided with capping, is provided with stealth and presets flat square hole in capping.

Further, the rear end of described plastic base also is provided with capping, is provided with flat square hole in capping, advances to be inserted in the flat square groove of metal connection post after terminal block passes this flat square hole.

Further, the sidewall of described plastic base is provided with stealth and presets flat square hole.

Further, described plastic base is the unit piece of a utmost point, is provided with syndeton at the dual-side of plastic base, and every two adjacent plastic base assembly units connect.

Further, respectively be provided with a symmetrical semicircle orifice on the dual-side of described plastic base.

Beneficial effect: power patch panel can be connected to advancing on the terminal block of this binding post earlier; and breaker body inserts along its wiring muzzle on the front end of plastic base then with screw and connects on the metal connection post of the connection jaws of breaker body and this binding post; just promptly realize the electrical connection of breaker body; realize simultaneously the well secured of breaker body again; and break down when needing repairing when breaker body; only just breaker body can be pulled out with unclamping screw (can adopt Insulating screw driver can protect safety operation); and do not need power supply is disconnected; and adopt screw connecting mode both to connect reliably, and dismantle easy and convenient.

Description of drawings

Fig. 1 is the schematic perspective view of the embodiment of wiring behind the plate of the present utility model

Fig. 2 is the attached view of the embodiment of wiring behind the plate of the present utility model

Fig. 3 is the A-A cutaway view of Fig. 2

Fig. 4 is the B-B cutaway view of Fig. 3

Fig. 5 is the schematic diagram of the metal connection post of the embodiment of wiring behind the plate of the present utility model

Fig. 6 is the structural representation of another embodiment of wiring behind the plate of the present utility model

Fig. 7 is the schematic perspective view of the embodiment of wiring before the plate of the present utility model

Fig. 8 is the attached view of the embodiment of wiring before the plate of the present utility model

Fig. 9 is the D-D cutaway view of Fig. 8

Embodiment

Now in conjunction with the accompanying drawings execution mode of the present utility model is further described:

Fig. 1 to Fig. 5 is the binding post of the mode of connection behind the employing plate, it is made up of three binding post unit, each binding post unit includes a plastic base 1, (this square is suitable with the connection jaws of breaker body to the front end of this plastic base 1 for square 11, if the connection jaws of breaker body is circular, the front end of this plastic base then also is cylindrical), before the described plastic base, after connect, in the front end of plastic base 11, be arranged with metal connection post 2, the front end of this metal connection post 2 is provided with screwed hole 21, the rear end is provided with flat square groove 22, generally, the rear end of plastic base 1 also can be provided with capping 4, in capping 4, be provided with the flat square hole 41 suitable with advancing terminal block 3, advance that terminal block 3 is inserted in this flat square groove 22 and with 2 welding of metal connection post good after, put this capping 4 again, it is to prevent that foreign material from falling in the plastic base that this capping 4 one is set, and play the effect that terminal block 3 is advanced in a support, make that into terminal block 3 is more steady, and in order to prevent that into terminal block and metal connection post drop out downwards, this advances terminal block 3 and also is made as staged, behind the cover upper cover, just can utilize capping to prop up into terminal block like this, thereby it can not dropped out.

As seen from the figure, the binding post of present embodiment is to adopt split mounting type, promptly being provided with syndeton at the side of the plastic base 1 of each unit (is to adopt the cylinder 13 and the arc groove 15 that surpass semicircle are set realize splicing among the figure, can certainly adopt the mode of dovetail groove to splice), adopt the benefit of split mounting type yes and can be combined into various number of poles formulas as required as three utmost points, various numbers of poles such as four utmost points, and add man-hour only with adopting a kind of die unit in manufacturing, can reduce cost greatly like this, composition module production, install on the base plate (not looking out among the figure) and be fixed on circuit breaker for the ease of binding post, on the dual-side of plastic base 1, respectively be provided with a symmetrical semicircle orifice 14, after being stitched together, adjacent plastic base 1 just forms a full circle hole like this, install on the base plate thereby can make mounting screw pass this circular hole and be fixed on circuit breaker, simultaneously, mounting screw can also pass the arc groove 15 that surpasses semicircle on the outside of the plastic base that is positioned at both sides and is fixed on circuit breaker and installs on the base plate.Need to prove, although it is adopt split mounting type to have above benefit,, also beyond all doubt within the utility model protection range as the mode of plastic base directly being made three utmost points or four utmost points even this binding post does not adopt split mounting type.

As shown in the figure, its front end of hole of the installation metal connection post of the front end of the plastic base 1 of present embodiment is a cylindrical hole, thereby the rear end is quadrangle post hole constitutes stepped hole, it is cylinder 23 that metal connection post 2 corresponds to front end, the rear end is a quadrangle cylinder 24, thereby metal connection post 2 packs into forward in stepped hole from the rear of plastic base 1, and because the screens effect of the step surface of stepped hole, therefore can guarantee that metal connection post 2 can not drop out from the front end of plastic base 1, firm reliability when utilizing breaker body to be installed on this binding post is promptly arranged, certainly undoubtedly, if its front end of metal connection post is a cylinder, the rear end is that the polygon of other limit number is (as five limits, hexagon etc.) or even its rear end for directly than front end cylindrical also can constitute step-like, binding post also has good effect when mounted like this, the utility model is not got rid of the metal connection post of adopting straight tube column type certainly yet, such as if adopt straight tube column type, during fabrication with the direct one injection molding material of metal connection post in plastic base, so also can guarantee the fastness between this binding post and plastic base when mounted.

As shown in the figure, present embodiment can also be provided with at the side of plastic base 1 stealth preset flat square hole 12 ', flat square hole 12 ' be meant with a pre-cover plate hole is sealed is preset in so-called stealth, when before the needs plate during wiring, can easily this this cover plate be broken, thereby this flat square hole is communicated, so just can stretch into and fixedly connected in the hole thus advancing terminal block with the metal connection post.

Figure 6 shows that another binding post that adopts the mode of connection behind the plate, the main difference of this binding post and foregoing binding post is that its direction of advancing terminal block is different, and the terminal block that advances among Fig. 6 just revolves and turn 90 degrees with respect to the terminal block that advances among Fig. 1.

Fig. 7 to Fig. 9 is the reference diagram of the binding post of mounting means behind the employing plate, as seen from the figure, present embodiment by the difference part of aforesaid first embodiment is: the screwed hole 21 of metal connection post 2 is through hole, on the sidewall of plastic base 1, be provided with flat square hole 12, advance that terminal block 3 passes that this flat square hole 12 is stretched the rear end that places metal connection post 2 and be close to metal connection post 2 to fixedly connected by screw 5, the front end face of the front end of this screw 5 and screwed hole 21 also differs certain distance makes this screwed hole also leave the attachment screw that breaker body is installed in enough spaces, and in capping 4, also can establish stealth preset flat square hole 41 ', so that when needing behind the plate wiring, with stealth preset flat square hole 41 ' pre-cover plate bucket brokenly just will advance terminal block and stretch into and fixedly be electrically connected in the hole thus with the metal connection post.

In fact, no matter be to adopt before the plate or the latter linked binding post of plate, when making plastic base, only need to use the plastic base that molded production one has standard shape, all establish stealth in the side of this plastic base and the capping and preset flat square hole, and fashionable in assembling, need which kind of mode of connection, flat square hole is preset in the then corresponding stealth of breaking in side or the capping, can reduce manufacturing cost effectively like this.

Should be understandable that, more than described in conjunction with the accompanying drawings embodiment only be optimal way of the present utility model, and be not sole mode, any improvement of being done mentally based on the present utility model all belongs within the protection range of the present utility model.

Claims

1. novel connecting terminal of circuit breaker, it is characterized in that: include plastic base, the connection jaws of the shape of the front end of this plastic base, size and breaker body is suitable, described plastic base is forward and backward to connect, in the front end of plastic base, be arranged with the metal connection post, the front end of this metal connection post is provided with screwed hole, advances terminal block one end and stretches into that plastic base fixedly is electrically connected with the rear end of metal connection post, the other end is exposed to outside the plastic base.

2. novel connecting terminal of circuit breaker according to claim 1 is characterized in that: the hole of the installation metal connection post of the front end of described plastic base is a stepped hole, and described metal connection post should be step-like mutually.

3. novel connecting terminal of circuit breaker according to claim 2, it is characterized in that: thereby its front end of hole of described installation metal connection post is cylindrical hole, rear end is that polygon post hole constitutes described stepped hole, and it is that cylinder, rear end are the polygon cylinder that described metal connection post corresponds to front end.

4. according to claim 1 or 2 or 3 described novel connecting terminal of circuit breaker, it is characterized in that: the screwed hole of described metal connection post is a through hole, the sidewall of described plastic base is provided with flat square hole, advance that terminal block passes that this flat square hole is stretched the rear end that places the metal connection post and be close to the metal connection post by screw to fixedly connected, the front end of this screw and the front end face of screwed hole also differ certain distance.

5. according to claim 1 or 2 or 3 described novel connecting terminal of circuit breaker, it is characterized in that: the rear end of described metal connection post is provided with flat square groove, describedly advances terminal block and is stretched into by the rear end of plastic base and be inserted in this flat square groove and with the metal connection post and weld.

6. novel connecting terminal of circuit breaker according to claim 4 is characterized in that: the rear end of described plastic base also is provided with capping, is provided with stealth and presets flat square hole in capping.

7. novel connecting terminal of circuit breaker according to claim 5 is characterized in that: the rear end of described plastic base also is provided with capping, is provided with flat square hole in capping, advances to be inserted in the flat square groove of metal connection post after terminal block passes this flat square hole.

8. novel connecting terminal of circuit breaker according to claim 7 is characterized in that: the sidewall of described plastic base is provided with stealth and presets flat square hole.

9. according to claim 1 or 2 or 3 or 6 or 7 or 8 described novel connecting terminal of circuit breaker, it is characterized in that: described plastic base is the unit piece of a utmost point, is provided with syndeton at the dual-side of plastic base, and every two adjacent plastic base assembly units connect.

10. novel connecting terminal of circuit breaker according to claim 9 is characterized in that: respectively be provided with a symmetrical semicircle orifice on the dual-side of described plastic base.