CN209344006U - A kind of leakage circuit breakers terminals - Google Patents
A kind of leakage circuit breakers terminals Download PDFInfo
- Publication number
- CN209344006U CN209344006U CN201920240846.0U CN201920240846U CN209344006U CN 209344006 U CN209344006 U CN 209344006U CN 201920240846 U CN201920240846 U CN 201920240846U CN 209344006 U CN209344006 U CN 209344006U
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- CN
- China
- Prior art keywords
- tension disc
- breaker body
- cam
- circuit breakers
- square
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Abstract
The utility model belongs to a kind of connecting terminal, more particularly to a kind of leakage circuit breakers terminals, including the lower tension disc for being electrically connected with external cable, its top is provided with tension disc, the left and right sides middle-end of upper tension disc is provided with square protruding, a square aperture is offered on breaker body side wall at left and right sides of lower tension disc, square protruding, which slides up and down, to be set in square aperture, compressed spring A is vertically provided in tension disc bottom upper in square aperture, the top rotation of upper tension disc is provided with cam, cam is rotatablely connected by shaft and breaker body, shaft is pierced by from the side of breaker body and is fixedly connected with locating rod, locating rod is the bending of L shape, several location holes are offered on the lateral wall of breaker body, several location holes are used for the position of stationary positioned bar.The utility model can effectively solve the convenience of the grafting of existing leakage circuit breakers terminals external cable and the problem of firmness of the connection cannot be taken into account well.
Description
Technical field
The utility model belongs to a kind of connecting terminal more particularly to a kind of leakage circuit breakers terminals.
Background technique
Leakage circuit breakers is the switch of energy auto-action when leakage current is more than predetermined value in circuit, is had for Electrical Safety
There is very important Protection significance.
The terminals position of breaker now generally includes bolt, top board and loading plate, is rotated down by bolt
It drives top board to move towards loading plate, cable is fixed between top board and loading plate, and by continuing to rotate bolt reality
Existing both top board and loading plate only clamp cable, but the operation of this structure is relatively complicated, first of all, it is necessary to rotate spiral shell
Bolt, which is realized, is separated to enough distances between top board and loading plate, to facilitate being successively inserted into for cable, if top board and held
The distance between support plate is not big enough, it is more likely that causes cable that cannot successfully fill in, leads to connection failure, especially for now
Many terminals are all positioned at the inside of leakage circuit breakers, it is not easy to be observed, then having is exactly that either insertion cable still pulls out
Cable is required to rotation bolt out, and such operation is very time-consuming laborious, and working efficiency is low.
The published utility model patent " leakage circuit breakers " (publication number: CN205621681) of China, as shown in Figure 1, logical
Setting limiting section (6) above conductive plate is crossed, limiting section (6) and leakage circuit breakers ontology (1) are rotatablely connected, conductive plate and electric leakage
Elastic component is provided between breaker body (1), limiting section (6) is clamped in external cable (4) by rotating compression elastic piece
Between limiting section (6) and conductive plate, to realize the problem of being attached without using screwdriver, however, a problem that though it is more traditional in use
Technical solution it is convenient, but there is new security risk, i.e., because the presence of elastic component leads to squeezing between cable and conductive plate
It is very firm that pressure does not ensure that, since there is certain elasticity, then squeezes and is difficult to guarantee dynamics, is easy in slightly pullling
Cable is caused to be extracted；Furthermore the distance between limit plate and conductive plate can make tune according to the thickness of cable because of the presence of elastic component
It is whole, but this adjustment can not give enough extruding dynamics, distance adjustment be made merely by the elasticity of elastic component, because of bullet
Property variation range it is larger cause squeeze the bad grasp of firmness, have some potential safety problems
Clamping is not tight when cable is meticulous；When crossing thick, because conductive plate is boosted upwards by spring, between conductive plate and limiting section
Distance cannot be sufficiently large, cause insertion inconvenient.
From the foregoing, it will be observed that the convenient firmness connected with cable of the grafting of breaker terminal cable cannot be taken into account well.
Utility model content
According to the above-mentioned deficiencies of the prior art, the utility model provides a kind of leakage circuit breakers terminals, can be effective
The convenience for solving the grafting of existing leakage circuit breakers terminals external cable is asked with what firmness of the connection cannot be taken into account well
Topic.
The technical solution that uses of the technical issues of the utility model solves are as follows: a kind of breaker terminal, including for
The lower tension disc of external cable electrical connection, is provided with tension disc, the left and right of the upper tension disc above the lower tension disc
Two sides middle-end is provided with square protruding, and one is offered on the breaker body side wall at left and right sides of the lower tension disc and rectangular is opened
Mouthful, the square protruding, which slides up and down, to be set in square aperture, shape, the shape of size and square aperture of the square protruding
Shape, size match, and compressed spring A is vertically provided in Yu Suoshu square aperture, and top and the bottom of square protruding are fixed
Connection, bottom are fixedly connected with the bottom inside wall of square aperture, and the bottom of the square aperture is lower than the water of lower tension disc
The top rotation of flat height, the upper tension disc is provided with cam, and the cam is rotatablely connected by shaft and breaker body,
The shaft is pierced by from the side of breaker body and is fixedly connected with locating rod, and the locating rod is the bending of L shape, the positioning
Bar has orthogonal arm end A and arm end B, and the arm end A is parallel with the right outside sidewall of breaker body, the arm end B
It is perpendicular with the right outside sidewall of breaker body and extend towards the right outside sidewall of breaker body, the breaker body it is outer
Several location holes are offered on side wall, the center of several location holes is respectively positioned on the circular arc centered on shaft, described fixed
The position shape in hole, the shape of size and arm end B, size cooperate.
When into terminals be inserted into external cable when, when upper tension disc is not by the suppressing action of cam, compressed spring A to
On prop up tension disc, between upper tension disc and lower tension disc have enough distances can external cable easily be inserted
Enter, and upper tension disc presses as a plate face to external cable, can make the contact between external cable and lower tension disc
Face is bigger, and conductive effect is more preferable, and the bottom that compressed spring A is arranged is lower than level height where lower tension disc, can thus set
It sets when squeezing compressed spring A, i.e., when upper tension disc and lower tension disc is close to each other, distance between the two can satisfy any
The external cable of diameter dimension, the minimum distance between upper tension disc and lower tension disc not will receive the most short length of compressed spring A
The influence of degree.
Cam follows shaft to rotate, and offsets at the top of the bottom of cam and upper tension disc, because of 40 own structural characteristics of cam
Determine that the level height of cam bottom can also change when shaft rotation, to realize the control to upper tension disc height.
Location hole where the arm end B of locating rod is different, then the height of the upper tension disc of cam control is just different, according to external
The thickness of cable changes the location hole where locating rod, and then is suitable for the external cable of multiple diameter.
Further, gap is equipped with compressed spring B in the shaft, and the compressed spring B is located at cam and locating rod
Between, one end end of the compressed spring B is fixedly connected with a side of cam, the other end end of the compressed spring B
Portion is fixedly connected with the side wall of breaker body.
The elastic force of compressed spring B cam always and has to be separated from each other with the side wall of breaker body, i.e., in compressed spring B
Drive under, the arm end B of locating rod have always insertion location hole trend；When needing to change the location hole where the B of arm end,
Manpower pulls out one end end of shaft, so that compressed spring B is in more compressive state, to realize that arm end B existed from originally
Location hole in pull out, change the location hole where the B of arm end, that is, change the position of cam, also just change crimping
Distance of the plate relative to lower tension disc, and then according to the thickness of external cable, control clamps external cable or unloading external connection electricity
Cable.
Further, the bottom of the upper tension disc is provided with several raised lines from front to back, and each raised line is a left side
Right direction setting.
Further, the raised line selects rubber material production.The setting of raised line increases tension disc and external cable
Friction, increase the fixed stability of cable.
Further, the shaft is vertically fixedly connected with control-rod after being pierced by from the side wall of breaker body.It can set
Set that shaft is vertical with the middle part of control-rod to be fixedly connected, the effect of control-rod is conveniently to pull out shaft, and facilitate rotation
Shaft is to change the position of cam.
Further, the lower end of the cam, the top of upper tension disc, the surface of square protruding, square aperture inside
It is coated with lubricating oil.
The utility model has the following beneficial effects: the terminals of (1) the utility model whole process do not need using
Screwdriver, and because being strutted between upper tension disc and lower tension disc by compressed spring A, plug wire is very convenient, swift to operate；
(2) simultaneously, multiple location holes can be realized the clamping to different size cables, real because pressing down on upper tension disc when cam
When now clamping cable between upper tension disc and lower tension disc, elastic component is not present in lower crimping board bottom portion, that is, tension disc is descended to be not present
Certain up and down range, so can guarantee upper tension disc with lower tension disc to the steady of cable extrusion after positioning upper tension disc
It is qualitative, there is better fastness and stability to the fixation of external cable compared with the prior art；(3) additionally due to pushing up upwards
The bottom of the compressed spring A risen does not originate in lower tension disc, but is located at the lower section of lower tension disc, so compressed spring A
Length can be set to not impact the extruding of thinner external cable, compared with the prior art the diameter model of applicable cable
It encloses more.
Detailed description of the invention
Fig. 1 is the structural upright schematic diagram of the breaker of the prior art in background technique；
Fig. 2 is the positive structure diagram of the provided embodiment of the utility model；
Fig. 3 is the partial cross right side view of the provided embodiment of the utility model；
Fig. 4 is the part right side view of the provided embodiment of the utility model；
Fig. 5 is the right side view of upper tension disc in Fig. 2；
In figure: 1, breaker body 11, location hole 20, lower tension disc 21, square aperture 30, upper tension disc 31, side
Shape protrusion 32, compressed spring A 33, raised line 4, external cable 40, cam 41, shaft 42, locating rod 421, arm end A
422, arm end B 43, compressed spring B 44, control-rod 2, link slot 6, limiting section.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment one:
As shown in Figure 1, being breaker in the prior art and its terminal structure, the design of the utility model is to scheme
In 1 based on the structure of existing breaker body, for improvement made by its terminals, so, the utility model is mentioned
And breaker body structural reference Fig. 1 in the prior art, the breaker terminal of the utility model is also disposed on existing
Have in the link slot 2 in technology (Fig. 1), lower tension disc 20 is placed on the interior lower end end face of link slot 2.
As shown in Fig. 2~Fig. 5, a kind of leakage circuit breakers terminals described in the utility model, including be used for and external electricity
The lower tension disc 20 that cable 4 is electrically connected, the top of the lower tension disc 20 is provided with tension disc 30, a left side for the upper tension disc 30
Right two sides middle-end is provided with square protruding 31, offers on 1 side wall of breaker body of lower 20 left and right sides of tension disc
One square aperture 21, the square protruding 31, which slides up and down, to be set in square aperture 21, the shape of the square protruding 31, ruler
It is very little to be matched with the shape of square aperture 21, size, it is vertically provided with compressed spring A32 in Yu Suoshu square aperture 21, pushes up
Portion is fixedly connected with the bottom of square protruding 31, and bottom is fixedly connected with the bottom inside wall of square aperture 21, described rectangular
The bottom of opening 21 is lower than the level height of lower tension disc 20, and the top rotation of the upper tension disc 30 is provided with cam 40, institute
It states cam 40 to be rotatablely connected by shaft 41 and breaker body 1, the shaft 41 is pierced by and consolidates from the side of breaker body 1
Surely it is connected with locating rod 42, the locating rod 42 is the bending of L shape, and the locating rod 42 has orthogonal arm end A421 and arm
B422 is held, the arm end A421 is parallel with the right outside sidewall of breaker body 1, the arm end B422 and breaker body 1
Right outside sidewall is perpendicular and extends towards the right outside sidewall of breaker body 1, offers on the lateral wall of the breaker body 1
The center of several location holes 11, several location holes 11 is respectively positioned on the circular arc centered on shaft 41, the location hole 11
Shape, the shape of size and arm end B422, size cooperate.
When being inserted into external cable 4 into terminals, when upper tension disc 30 is not by the suppressing action of cam 40, bullet is compressed
Spring A32 props up tension disc 30 upwards, there is enough distances can make external between upper tension disc 30 and lower tension disc 20
Cable 4 is easily plugged into, and upper tension disc 30 presses as a plate face to external cable 4, can make external cable 4 under
Contact surface between tension disc 20 is bigger, and conductive effect is more preferable, and the bottom of compressed spring A32 is arranged than lower 20 place water of tension disc
Flat height is low, thus can be set as extruding compressed spring A32, i.e., upper tension disc 30 and lower tension disc 20 is close to each other
When, distance between the two can satisfy the external cable 4 of any diameter dimension, between upper tension disc 30 and lower tension disc 20
Minimum distance not will receive the influence of the shortest length of compressed spring A32.
Cam 40 follows shaft 41 to rotate, and the bottom of cam 40 and the top of upper tension disc 30 offset, because of cam 40 itself
Design feature determines that the level height of 40 bottom of cam can also change when shaft 41 rotates, to realize to upper tension disc 30
The control of height.
Location hole 11 where the arm end B422 of locating rod 42 is different, then cam 40 controls the height of upper tension disc 30 just not
Together, according to the thickness of external cable 4, change the location hole 11 where locating rod 42, and then be suitable for the external electricity of multiple diameter
Cable 4.
Further, gap is equipped with compressed spring B43 in the shaft 41, and the compressed spring B43 is located at cam 40
Between locating rod 42, one end end of the compressed spring B43 is fixedly connected with a side of cam 40, the compression bullet
The other end end of spring B43 is fixedly connected with the side wall of breaker body 1.
The elastic force of compressed spring B43 cam 40 always and has to be separated from each other with the side wall of breaker body 1, that is, is compressing
Under the drive of spring B 43, the arm end B422 of locating rod 42 has the trend of insertion location hole 11 always；When needing to change arm end
When location hole 11 where B422, manpower pulls out one end end of shaft 41, more compresses so that compressed spring B43 is in
State, with realize arm end B422 from originally location hole 11 in pull out, change arm end B422 where location hole 11, that is,
The position of cam 40 is changed, also just changes distance of the tension disc 30 relative to lower tension disc 20, and then according to external electricity
The thickness of cable 4, control clamp external cable 4 or unloading external connection cable 4.
Further, the bottom of the upper tension disc 30 is provided with several raised lines 33, each raised line 33 from front to back
It is left and right directions setting.
Further, the raised line 33 selects rubber material production.The setting of raised line 33 increases tension disc 30 and outer
The friction for connecing cable 4 increases the fixed stability of cable.
Further, the shaft 41 is vertically fixedly connected with control-rod 44 after being pierced by from the side wall of breaker body 1.It can
Shaft 41 is vertical with the middle part of control-rod 44 to be fixedly connected to be arranged, and the effect of control-rod 44 is conveniently to pull out shaft 41,
And facilitate rotating shaft 41 to change the position of cam 40.
Further, the lower end, the top of upper tension disc 30, the surface of square protruding 31, square aperture of the cam 40
21 inside is coated with lubricating oil.
Specifically used process:
It pulls out control-rod 44 and makes that arm end B422 and location hole 11 are detached from and pivoting lever 44 makes cam 40
Bottom forward, move up, upper tension disc 30 moves up under the promotion of compressed spring A32, when upper tension disc 30 with push
When vacating enough spaces between line plate 20, external cable 4 is put between upper tension disc 30 and lower tension disc 20, then to remote
Direction from breaker body 1 pulls control-rod 44, i.e. extruding compressed spring B43, arm end B422 and location hole 11 is detached from, so
Pivoting lever 44 afterwards, so that cam 40 is pressed down against tension disc 30, and then the square protruding 31 of upper tension disc 30 is in direction
It is moved down in opening 21, until the rotation of control-rod 44 can not be sufficiently large by resistance, when can not carry out manually, external cable
4 are clamped, and the arm end B422 of locating rod 42 at this time is placed in the corresponding location hole 11 in its position, is pressed in realization
(when loosing one's grip, arm end B422 is under the drive of compressed spring B43 automatically into location hole 11) is fixed in the position of line plate 30.When need
When wanting unloading external connection cable 4, aforesaid operations are reversed.
Whole process is not needed using screwdriver, and compressed spring A32 easily provide between tension disc up and down
Enough distances for external cable 4 insertion, it is swift to operate；Multiple location holes 11 can be realized to different size external cables
4 clamping clamps cable between tension disc 30 and lower tension disc 20 in realization because pressing down on upper tension disc 30 when cam 40
When, elastic component is not present in lower 20 bottom of tension disc, that is, descending tension disc 20, there is no certain up and down ranges, so in positioning
It can guarantee stability of the upper tension disc 30 with lower tension disc 20 to cable extrusion after tension disc 30；Furthermore it is used to jack up upwards
The bottom of compressed spring A32 does not originate in lower tension disc 20, but is located at the lower section of lower tension disc 20, so compressed spring
The length of A32 can be set to not impact the extruding of thinner external cable 4.Because if by the top of compressed spring A32,
Bottom is set up directly between lower tension disc 20 and upper tension disc 30, and the compressed shortest distance of compressed spring A32 itself can shadow
It rings to the extruding to thinner external cable 4.
The above is the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all benefits
The equivalent structure or equivalent flow shift made by the utility model specification and accompanying drawing content, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of leakage circuit breakers terminals, including the lower tension disc for being electrically connected with external cable, it is characterised in that: described
Tension disc is provided with above lower tension disc, the left and right sides middle-end of the upper tension disc is provided with square protruding, under described
A square aperture is offered on breaker body side wall at left and right sides of tension disc, the square protruding, which slides up and down, to be set to
In square aperture, shape, the size of the square protruding are matched with the shape of square aperture, size, Yu Suoshu square aperture
It is inside vertically provided with compressed spring A, top is fixedly connected with the bottom of square protruding, in the bottom of bottom and square aperture
Side wall is fixedly connected, and the bottom of the square aperture is lower than the level height of lower tension disc, the top rotation of the upper tension disc
It is provided with cam, the cam is rotatablely connected by shaft and breaker body, and the shaft is worn from the side of breaker body
Out and it is fixedly connected with locating rod, the locating rod is the bending of L shape, and the locating rod has orthogonal arm end A and arm end
B, the arm end A is parallel with the right outside sidewall of breaker body, and the right outside sidewall of the arm end B and breaker body is perpendicular
And extend towards the right outside sidewall of breaker body, several location holes are offered on the lateral wall of the breaker body, it is several
The center of the location hole is respectively positioned on the circular arc centered on shaft, shape, the shape of size and arm end B of the location hole
Shape, size cooperate.
2. leakage circuit breakers terminals according to claim 1, it is characterised in that: gap is equipped with compression in the shaft
Spring B, the compressed spring B is between cam and locating rod, one end end of the compressed spring B and a side of cam
While being fixedly connected, the other end end of the compressed spring B is fixedly connected with the side wall of breaker body.
3. leakage circuit breakers terminals according to claim 1 in the past, it is characterised in that: the bottom of the upper tension disc is arrived
After be provided with several raised lines, each raised line is left and right directions setting.
4. leakage circuit breakers terminals according to claim 3, it is characterised in that: the raised line selects rubber material system
Make.
5. leakage circuit breakers terminals according to claim 1, it is characterised in that: the shaft is from the side of breaker body
Wall is vertically fixedly connected with control-rod after being pierced by.
6. leakage circuit breakers terminals according to claim 1, it is characterised in that: the lower end of the cam, upper tension disc
Top, the surface of square protruding, the inside of square aperture be coated with lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920240846.0U CN209344006U (en) | 2019-02-26 | 2019-02-26 | A kind of leakage circuit breakers terminals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920240846.0U CN209344006U (en) | 2019-02-26 | 2019-02-26 | A kind of leakage circuit breakers terminals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209344006U true CN209344006U (en) | 2019-09-03 |
Family
ID=67762610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920240846.0U Expired - Fee Related CN209344006U (en) | 2019-02-26 | 2019-02-26 | A kind of leakage circuit breakers terminals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209344006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113394060A (en) * | 2021-05-22 | 2021-09-14 | 赵帆帆 | High-voltage direct-current circuit breaker |
| CN115000909A (en) * | 2022-06-29 | 2022-09-02 | 宁夏中利牧晖新能源有限公司 | Photovoltaic direct current cable joint quick connecting device |
-
2019
- 2019-02-26 CN CN201920240846.0U patent/CN209344006U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113394060A (en) * | 2021-05-22 | 2021-09-14 | 赵帆帆 | High-voltage direct-current circuit breaker |
| CN115000909A (en) * | 2022-06-29 | 2022-09-02 | 宁夏中利牧晖新能源有限公司 | Photovoltaic direct current cable joint quick connecting device |
| CN115000909B (en) * | 2022-06-29 | 2023-09-01 | 宁夏中利牧晖新能源有限公司 | Photovoltaic direct current cable connector quick connecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190903 Termination date: 20200226 |