CN207353177U - The wire connection terminal and breaker of breaker - Google Patents
The wire connection terminal and breaker of breaker Download PDFInfo
- Publication number
- CN207353177U CN207353177U CN201721480831.9U CN201721480831U CN207353177U CN 207353177 U CN207353177 U CN 207353177U CN 201721480831 U CN201721480831 U CN 201721480831U CN 207353177 U CN207353177 U CN 207353177U
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- Prior art keywords
- terminal
- breaker
- wire connection
- binding post
- cable
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Abstract
The wire connection terminal and breaker of a kind of breaker, the wire connection terminal of breaker include wire connection board of circuit breaker and the termination being fixed on wire connection board of circuit breaker, feature：Termination includes binding post and insulated terminal cover, and binding post is used to connect wire connection board of circuit breaker and cable, is provided with the terminal screw for compressing cable；The insulated terminal cover is generally shaped as similar parallelepiped, the cavity for passing through for terminal screw is offered on its roof, among it formed with the binding post installation cavity for accommodating binding post, its rear wall is formed with the protrusion passed through for current supply cable, and when termination is fixed on wire connection board of circuit breaker, the length direction of the protrusion along the housing of breaker extends and protrudes from outside housing.Breaker includes above-mentioned wire connection terminal.Installation process is time saving and energy saving, efficiently convenient, and production and application is more economical, available for the fast-wiring of wireless nose cable, and enhances alternate electrical insulation strength.
Description
Technical field
The utility model belongs to low voltage electrical apparatus technology field, and in particular to a kind of wire connection terminal of breaker, and also relate to
And the breaker using the wire connection terminal.
Background technology
In the prior art, as shown in Figure 1, user when installing and using breaker, it is necessary to by terminal screw or bolt by electricity
The line nose of cable is connected on wire connection board of circuit breaker, therefore, for the cable of no line nose, due in addition also needing configuration to change
Connector, causes wiring cumbersome, also, dedicated operation instrument is also needed in installation process, heavy workload, and operation is not
Just, particularly when mounted, its installation is very big, and the substantial amounts of time is wasted in product wiring for the breaker of plastic casing of voltage switchgear
On, workload is increased, it is time-consuming and laborious, it is inconvenient for use.In addition, existing small cage breaker of plastic casing, its phase spacing is smaller, such as
The breaker of plastic casing of 100A cage, phase spacing only have 25-30mm, cause electric clearance at wire connection terminal and creepage distance not
Foot, influences dielectric strength.
It is complicated for breaker connection in the prior art, it is time-consuming and laborious, it is not easy to install, and the technology of insulation performance difference is asked
Topic, it is necessary to reasonably improved the connection terminal structure of existing breaker.For this reason, the applicant has made beneficial set
Meter, technical solution described below produce in this background.
The content of the invention
It is time saving and energy saving, efficiently convenient that the top priority of the utility model is to provide a kind of installation process, and insulation performance
Height, the wire connection terminal of the more economical breaker of production and application.
Another task of the utility model, which also resides in, provides a kind of breaker, which can ensure described in wire connection terminal
Comprehensive embodiment of technique effect.
To complete top priority, technical solution provided by the utility model is a kind of wire connection terminal of breaker, including
Wire connection board of circuit breaker and the termination being fixed on wire connection board of circuit breaker, the termination include binding post and insulating end
Son cover, the binding post are used to connect wire connection board of circuit breaker and cable, are provided with the terminal screw for compressing cable；
The insulated terminal cover is generally shaped as similar parallelepiped, and the sky for passing through for terminal screw is offered on its roof
Chamber, among it formed with the binding post installation cavity for accommodating binding post, its rear wall is formed with the projection passed through for current supply cable
Portion, and when termination is fixed on wire connection board of circuit breaker, length direction of the protrusion along the housing of breaker
Extend and protrude from housing.
In a specific embodiment of the utility model, the protrusion is a hollow insulating sleeve, can be wrapped
Wrap the insulating layer of cable.
In another specific embodiment of the utility model, formed with passing through on the pedestal of the housing of the breaker
The terminal cover installation straight slot of the pedestal is worn, the insulated terminal cover is arranged in terminal cover installation straight slot, the terminal cover
The cell wall both sides of installation straight slot are extended with flange respectively, the both sides of the insulated terminal cover open up respectively it is jagged, by lacking
Mouthful insulated terminal cover is arranged on terminal cover and is installed in straight slot with the tight fit of flange.
In another specific embodiment of the utility model, the transverse direction of the binding post is equipped with the first wiring
Hole, for first wiring hole formed with upper and lower two layers, upper strata wiring hole can accommodate cable, and lower floor's wiring hole can accommodate wiring
Plate.
In another specific embodiment of the utility model, it is additionally provided with to accommodate on the longitudinal direction of the binding post and connects
The screw mounting hole of line screw, the screw mounting hole are interconnected with first wiring hole；The terminal screw
It is extend into after through screw mounting hole in the first wiring hole and compresses cable and terminal plate.
The utility model so that in a specific embodiment, on the pedestal of the housing of the breaker formed with
Through the pedestal terminal cover install straight slot, the terminal cover be arranged on terminal cover installation straight slot in, and with the shell of breaker
The middle cover card of body is matched somebody with somebody.
In the utility model more and in a specific embodiment, the terminal cover top is equipped with fixture block, described
Middle cover has the card slot for being used for matching somebody with somebody with fixture block card.
In the utility model again and then in a specific embodiment, the transverse direction of the binding post connects equipped with second
String holes, second wiring hole can accommodate cable.
The utility model again more and in a specific embodiment, longitudinal upper and lower part of the binding post
The screwing mounting hole that can accommodate terminal screw and trip bolt is not offered and lower screw mounting hole, the terminal screw are worn
Cross the screwing mounting hole to extend into second wiring hole and compress cable, the trip bolt breaks through described
Terminal plate is fixed on binding post after the through hole of road device terminal plate and lower screw mounting hole.
To complete another task, technical solution provided by the utility model is a kind of breaker, is set on the breaker
There is the wire connection terminal of breaker recited above.
After the utility model is as a result of said structure, have the advantage that：Installation process is time saving and energy saving, efficiently just
Victory, production and application is more economical, available for the fast-wiring of wireless nose cable, and enhances alternate electrical insulation strength.
Brief description of the drawings
Fig. 1 shows the structure diagram of the prior art.
Fig. 2 (a) shows the breaker assembling schematic perspective view of embodiment 1 in the utility model.
Fig. 2 (b) shows the breaker assembling side elevation of embodiment 1 in the utility model.
Fig. 2 (c) shows the breaker assembling plan view of embodiment 1 in the utility model.
Fig. 3 shows the breaker partial sectional view of embodiment 1 in the utility model.
Fig. 4 shows the wire connection terminal assembling explosion schematic diagram of the breaker of embodiment 1 in the utility model.
Fig. 5 shows the wire connection terminal assembling explosion schematic diagram of the breaker of embodiment 1 in the utility model.
Fig. 6 (a) shows the structure diagram of binding post described in embodiment 1 in the utility model.
Fig. 6 (b) shows the side view of binding post described in embodiment 1 in the utility model.
Fig. 7 (a) shows the side stereogram of insulated terminal cover described in embodiment 1 in the utility model.
Fig. 7 (b) shows the opposite side stereogram of insulated terminal cover described in embodiment 1 in the utility model.
Fig. 8 (a) shows the breaker assembling schematic perspective view of embodiment 2 in the utility model.
Fig. 8 (b) shows the breaker assembling side elevation of embodiment 2 in the utility model.
Fig. 8 (c) shows the breaker assembling plan view of embodiment 2 in the utility model.
Fig. 9 shows the breaker partial sectional view of embodiment 2 in the utility model.
Figure 10 shows the wire connection terminal assembling schematic diagram of the breaker of embodiment 2 in the utility model.
Figure 11 shows the connection terminal structure schematic diagram of the breaker of embodiment 2 in the utility model.
Figure 12 shows the wire connection terminal explosion schematic diagram of the breaker of embodiment 2 in the utility model.
Figure 13 (a) shows the side view of binding post described in embodiment 2 in the utility model.
Figure 13 (b) shows the structure diagram of binding post described in embodiment 2 in the utility model.
Figure 14 (a) shows the side stereogram of insulated terminal cover described in embodiment 2 in the utility model.
Figure 14 (b) shows the opposite side stereogram of insulated terminal cover described in embodiment 2 in the utility model.
In figure：1. in housing, 11. pedestals, 111. terminal covers installation straight slot, 1111. flanges, 11111. receiving portions, 12.
Lid, 121. card slots, 13. tegillums；2. wire connection board of circuit breaker, 21. through holes；3. binding post, 31. first wiring holes, 311. upper stratas connect
String holes, 312. lower floor's wiring holes, 32. screw mounting holes, 33. second wiring holes, 34. screwing mounting holes, 35. times screw installations
Hole；4. insulated terminal cover, 41. binding post installation cavitys, 42. notches, 421. protuberances, 43. cavitys, 44. protrusions, 45. fixture blocks,
46. open slot；5. terminal screw；6. trip bolt.
Embodiment
Applicant below will be described in detail specific embodiment of the present utility model with reference to attached drawing, but applicant is to reality
The description for applying example is not the limitation to technical solution, and any changed in the form rather than substance according to the utility model design all should
When being considered as the scope of protection of the utility model.
The concept of the every directionality for being related to upper, lower, left, right, front and rear or directionality is all in the following description
On the basis of the position shown in Fig. 4, thus the special limit to technical solution provided by the utility model cannot be understood as
It is fixed.
As shown in Figure 2 and Figure 8, a kind of breaker is the utility model is related to, breaker has insulation shell 1, the insulation shell
Body 1 is made of pedestal 11, middle cover 12 and 13 three parts of tegillum, and mains side, load-side are formed in the rear and front end portion of breaker
Wire connection board of circuit breaker 2, form has the wire connection terminal of the utility model herein.
Embodiment 1
As shown in Figure 2 to 7, a kind of wire connection terminal of breaker, including 2 He of wire connection board of circuit breaker be the utility model is related to
The termination being fixed on wire connection board of circuit breaker 2, the termination includes binding post 3 and insulated terminal cover 4, described
Binding post 3 is used to connect wire connection board of circuit breaker 2 and cable, is provided with the terminal screw 5 for compressing cable；Described is exhausted
Edge terminal cover 4, which is generally shaped as including one, has rear wall, antetheca, two side walls, roof parallelepiped similar with bottom wall,
The cavity 43 for passing through for terminal screw 5 is offered on its roof, is opened on its antetheca formed with what is be inserted into when installing binding post 3
Mouthful, between antetheca and rear wall（I.e. among insulated terminal cover 4）Formed with the binding post installation cavity 41 for accommodating binding post 3, its
Formed with the protrusion 44 passed through for current supply cable on rear wall.The binding post 3 is arranged in binding post installation cavity 41, preferably
Ground, the outer contour shape of binding post 3 is consistent with the Internal periphery shape of binding post installation cavity 41, consequently facilitating binding post 3 with absolutely
Edge terminal cover 4 stablizes cooperation.As shown in fig. 7, the protrusion 44 is a hollow insulating sleeve, in the protrusion 44
Between be mutually communicated with binding post installation cavity 41, and the size of protrusion 44 is more than and is connected cross-section of cable size, can so wrap up
The firmly insulating layer of cable.
Further, as shown in Figure 3 and Figure 4, it is formed through the pedestal on the pedestal 11 of the breaker middle casing 1
11 terminal cover installation straight slot 111, the insulated terminal cover 4 are arranged in terminal cover installation straight slot 111, the terminal cover
The cell wall both sides of installation straight slot 111 are extended with flange 1111 respectively, are offered respectively in 4 two side walls of insulated terminal cover
Notch 42, in this way, in assembling, insulated terminal cover 4 is contained in terminal cover installation straight slot 111, and passes through flange 1111 and institute
The notch 42 stated, which is formed, to be engaged by clamping, so that insulated terminal cover 4 is located on the base 11.In addition, in insulated terminal cover 4
When notch 42 is engaged by clamping with the flange 1111, in order to improve the stability that insulated terminal cover 4 coordinates with pedestal 11
And compactness, it is preferable that as shown in figure 4, formed with protuberance 421 on notch 42, it is preferable that the protuberance 421 is semi arch
Shape, meanwhile, as shown in figure 5, being formed and the matched receiving portion 11111 of protuberance 421 on the bottom of the flange 1111.This
Sample, insulated terminal cover 4 can be stably placed in terminal cover installation straight slot 111 and form well stable match somebody with somebody with flange 1111
Close, tight fit is formed after assembling, can prevent insulated terminal cover 4 from front and rear play and preventing from dropping out on the base 11.At this time, binding post
3 in the binding post installation cavity 41 of insulated terminal cover 4.
Further, as shown in fig. 6, the transverse direction of the binding post 3 is equipped with the first wiring hole 31, first wiring hole
31 be a U-shaped cavity, and, formed with upper and lower two layers, upper strata wiring hole 311 can accommodate cable for it, and lower floor's wiring hole 312 can accommodate disconnected
Road device terminal plate 2.Preferably, the width d1 of its lower floor's wiring hole 312 is larger, and height h1 is smaller, for being assemblied in breaker
On terminal plate 2, the width d2 of upper strata wiring hole 311 is smaller（Less than the width of wire connection board of circuit breaker 2）, height h2 is larger, is used for
Cable connection.In addition, width d2, the size of height h2 are all higher than cable dimension.Being additionally provided with the longitudinal direction of the binding post 3 to hold
Receive the screw mounting hole 32 of terminal screw 5, which is interconnected for threaded hole and with the first wiring hole 31；It is described
Terminal screw 5 pass through screw mounting hole 32 after extend into the first wiring hole 31 and compress cable and terminal plate 2.
During wiring, binding post 3 is placed in the binding post installation cavity 41 of insulated terminal cover 4, and the terminal screw 5 is through absolutely
The cavity 43 of edge terminal cover 4 is arranged in the screw mounting hole 32 on binding post 3, and is integrally fastened to wire connection board of circuit breaker together
On 2, wire connection board of circuit breaker 2 is inserted into lower floor's wiring hole 312 at this time, and cable enters the upper strata in binding post 3 by protrusion 44
Wiring hole 311, is made electrical contact with cable conductor portion compresses and wire connection board of circuit breaker 2 with terminal screw 5, and when termination is consolidated
When being scheduled on wire connection board of circuit breaker 2,11 length direction of pedestal of the protrusion 44 along breaker middle casing 1 extends and dashes forward
Outside for pedestal 11, the exposed metal part of cable should be no more than the side wall of insulated terminal cover 4, be conducive to improve alternate electric
Gap and creepage distance.
Embodiment 2
As shown in Fig. 8~Figure 14, the present embodiment is related to a kind of wire connection terminal of breaker, including can accommodate the metal of cable
The binding post 3 of conductor part, for compressing the terminal screw 5 of cable metal conductor, the insulated terminal for reinforced insulation performance
Cover 4, and the trip bolt 6 for binding post 3 being fixed on wire connection board of circuit breaker 2, the insulated terminal cover 4 formed with
In the binding post installation cavity 41 for accommodating binding post 3, binding post 3 is arranged in binding post installation cavity 41, it is preferable that binding post 3
Outer contour shape is consistent with the Internal periphery shape of binding post installation cavity 41, consequently facilitating the stabilization of binding post 3 and insulated terminal cover 4
Coordinate.The terminal screw 5 is arranged on binding post 3 through insulated terminal cover 4, and is integrally fastened to breaker connection together
On plate 2.Further, the terminal cover installation straight slot of the pedestal 11 is formed through on the pedestal 11 of the breaker middle casing 1
111, terminal cover 4 is arranged in terminal cover installation straight slot 111, and 4 top of terminal cover is equipped with fixture block 45, the middle cover
12 offer the card slot 121 matched somebody with somebody with the card of fixture block 45.In this way, insulated terminal cover 4, which can be stablized, is arranged on terminal cover installation straight slot 111
In, it effectively prevent the front and rear play of insulated terminal cover 4 on the base 11.At this time, binding post 3 is located at connecing for insulated terminal cover 4
In terminal installation cavity 41.
Further, as shown in figure 13, the transverse direction of the binding post 3 is equipped with the second wiring hole 33, and described second
Wiring hole 33 can accommodate cable.Longitudinal upper and lower part of the binding post 3 is equipped with respectively can accommodate terminal screw 5 and fastening spiral shell
The screwing mounting hole 34 and lower screw mounting hole 35 of nail 6, the terminal screw 5 are extend into after passing through screwing mounting hole 34
In second wiring hole 33 and cable is compressed, the trip bolt 6 passes through through hole 21 and lower spiral shell on the terminal plate 2
Terminal plate 2 is fixed on binding post 3 after nail mounting hole 35.Same as Example 1 be the insulated terminal cover 4 substantially into
Shape is similar parallelepiped, offers the cavity 43 for passing through for terminal screw 5 on its roof, on its antetheca formed with
In, formed with the protrusion 44 passed through for current supply cable, described is prominent on the binding post installation cavity 41 for accommodating binding post 3, its rear wall
It is a hollow insulating sleeve to play portion 44, its diameter D is more than the sectional dimension for being connected cable, to accommodate the insulating layer of cable.
In addition, different with embodiment 1 be：As shown in figure 14, insulated terminal cover 4 on the contact surface of terminal plate 2 with offering opening
Groove 46, passes through for trip bolt 6.During wiring, the wire connection terminal is fixed on the terminal plate 2 of breaker by trip bolt 6
On, cable enters the first wiring hole 31 in binding post 3 by protrusion 44, is pressed cable conductor part with terminal screw 5
Tightly made electrical contact with terminal plate 2,11 length direction of pedestal of the protrusion 44 along breaker middle casing 1 extends and protrudes from
Outside pedestal 11, the exposed metal part of cable should be no more than the side wall of insulated terminal cover 4, be conducive to improve alternate electric clearance
And creepage distance.
Claims (10)
1. a kind of wire connection terminal of breaker, including wire connection board of circuit breaker (2) and the wiring be fixed on wire connection board of circuit breaker (2)
Device, it is characterised in that：The termination includes binding post (3) and insulated terminal cover (4), and the binding post (3) is used
In connection wire connection board of circuit breaker (2) and cable, the terminal screw (5) for compressing cable is provided with；The insulating end
Son cover (4) is generally shaped as similar parallelepiped, and the cavity for passing through for terminal screw (5) is offered on its roof
(43), among it formed with the binding post installation cavity (41) for accommodating binding post (3), its rear wall for current supply cable formed with leading to
The protrusion (44) crossed, and when termination is fixed on wire connection board of circuit breaker (2), the protrusion (44) is along open circuit
The length direction of the housing (1) of device extends and protrudes from housing (1).
2. the wire connection terminal of breaker according to claim 1, it is characterised in that the protrusion (44) is hollow for one
Insulating sleeve, the insulating layer of cable can be wrapped.
3. the wire connection terminal of breaker according to claim 1, it is characterised in that the base of the housing (1) of the breaker
The terminal cover installation straight slot (111) of the pedestal (11) is formed through on seat (11), the insulated terminal cover (4) is arranged on end
In son cover installation straight slot (111), the cell wall both sides of terminal cover installation straight slot (111) are extended with flange (1111) respectively,
The both sides of the insulated terminal cover (4) open up jagged (42) respectively, pass through the tight fit of notch (42) and flange (1111)
And insulated terminal cover (4) is arranged in terminal cover installation straight slot (111).
4. the wire connection terminal of breaker according to claim 1, it is characterised in that set in the transverse direction of the binding post (3)
There is the first wiring hole (31), for first wiring hole (31) formed with upper and lower two layers, upper strata wiring hole (311) can accommodate electricity
Cable, lower floor's wiring hole (312) can accommodate terminal plate (2).
5. the wire connection terminal of breaker according to claim 4, it is characterised in that on the longitudinal direction of the binding post (3) also
Equipped with the screw mounting hole (32) that can accommodate terminal screw (5), the screw mounting hole (32) and first wiring hole
(31) it is interconnected；The terminal screw (5) extend into the first wiring hole (31) and presses after passing through screw mounting hole (32)
Tight cable and terminal plate (2).
6. the wire connection terminal of breaker according to claim 1, it is characterised in that the base of the housing (1) of the breaker
The terminal cover installation straight slot (111) of the pedestal (11) is formed through on seat (11), the terminal cover (4) is arranged on terminal
In cover installation straight slot (111), and match somebody with somebody with middle cover (12) card of the housing (1) of breaker.
7. the wire connection terminal of breaker according to claim 6, it is characterised in that described terminal cover (4) top is equipped with card
Block (45), the middle cover (12) have the card slot (121) for being used for matching somebody with somebody with fixture block (45) card.
8. the wire connection terminal of breaker according to claim 1, it is characterised in that set in the transverse direction of the binding post (3)
There is the second wiring hole (33), second wiring hole (33) can accommodate cable.
9. the wire connection terminal of breaker according to claim 8, it is characterised in that the binding post (3) it is longitudinal
Upper and lower part offers the screwing mounting hole (34) that can accommodate terminal screw (5) and trip bolt (6) and the installation of lower screw respectively
Hole (35), the terminal screw (5) are extend into through the screwing mounting hole (34) in second wiring hole (33)
And cable is compressed, through hole (21) and lower screw mounting hole of the trip bolt (6) through the wire connection board of circuit breaker (2)
(35) terminal plate (2) is fixed on binding post (3) after.
10. a kind of breaker, it is characterised in that set on the breaker just like disconnected described in any claim in claim 1~9
The wire connection terminal of road device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721480831.9U CN207353177U (en) | 2017-11-08 | 2017-11-08 | The wire connection terminal and breaker of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721480831.9U CN207353177U (en) | 2017-11-08 | 2017-11-08 | The wire connection terminal and breaker of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353177U true CN207353177U (en) | 2018-05-11 |
Family
ID=62354197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721480831.9U Active CN207353177U (en) | 2017-11-08 | 2017-11-08 | The wire connection terminal and breaker of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207353177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397356A (en) * | 2020-10-28 | 2021-02-23 | 南京苏谷电气技术有限公司 | Industrial earth leakage protection circuit breaker |
| WO2021254298A1 (en) * | 2020-06-16 | 2021-12-23 | 浙江正泰电器股份有限公司 | Plastic case circuit breaker |
-
2017
- 2017-11-08 CN CN201721480831.9U patent/CN207353177U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021254298A1 (en) * | 2020-06-16 | 2021-12-23 | 浙江正泰电器股份有限公司 | Plastic case circuit breaker |
| CN112397356A (en) * | 2020-10-28 | 2021-02-23 | 南京苏谷电气技术有限公司 | Industrial earth leakage protection circuit breaker |
| CN112397356B (en) * | 2020-10-28 | 2023-06-13 | 深圳通高乐科技有限公司 | Industrial leakage protection circuit breaker |
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