CN207504196U - A kind of secondary device current testing connection terminal - Google Patents
A kind of secondary device current testing connection terminal Download PDFInfo
- Publication number
- CN207504196U CN207504196U CN201721309281.4U CN201721309281U CN207504196U CN 207504196 U CN207504196 U CN 207504196U CN 201721309281 U CN201721309281 U CN 201721309281U CN 207504196 U CN207504196 U CN 207504196U
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- terminal
- shaped folder
- short circuit
- piece
- slot
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 24
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000003019 stabilising effect Effects 0.000 claims abstract description 8
- 239000013013 elastic material Substances 0.000 claims description 4
- 230000002045 lasting effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 16
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model is related to circuit interconnection technique field, more particularly, to a kind of secondary device current testing connection terminal.A kind of secondary device current testing connection terminal, pedestal and plug-in type short circuit piece including insulation, the both sides of pedestal are correspondingly arranged at least two pairs of terminal bases, the terminal cavities being connect with wire guide are provided in terminal base, U-shaped folder piece is provided in terminal cavities, the bottom of the U-shaped folder piece in two terminal bases being correspondingly arranged is connected with conductive sheet, the both sides of U-shaped folder piece are provided with stabilising arrangement, the both sides of pedestal are equipped with slot, card slot is provided on the wall of slot-side, gutter is provided on the wall of slot opposite side, plug-in type short circuit piece includes insulation division and short circuit portion, the side of insulation division is provided with gripping mechanism.The utility model is easy to operate, and working efficiency is high, and stable connection is lasting, improves secondary device current testing connection terminal short circuit efficiency, safe.
Description
Technical field
The utility model is related to circuit interconnection technique field, more particularly, to a kind of secondary device current testing connecting pin
Son.
Background technology
Secondary device current testing connection terminal is that each voltage class Current Transformer Secondary side electric current is accessed protection screen
For a kind of connector of various protective devices in cabinet, after being widely used in the secondary storehouse of switchgear and protection screen cabinet.It is secondary to set
Standby current testing connection terminal there are the problem of：1st, the metal part of short circuit piece is exposed outside, electrical distance is small, carries out on-load
Experiment easily causes phenomena such as accidentally touching, discharging when work, leads to the incorrect operation of protection；2nd, short circuit piece uses multiple screws
Fixed, it is different to be susceptible to fixed screw degree of screwing, and causes to put short circuit unfavorable condition individually, influences the output of secondary current；
3rd, being continuously increased with grid short circuit capacity requires increasingly the dielectric level of secondary device current testing connection terminal
There is shortcoming in height, the secondary device current testing connection terminal dielectric level used now；4th, it is latter to be inserted into terminal inner for conducting wire
As using fastened by screw, when to fasten a large amount of conducting wires, working efficiency is low, and easily wrong conducting wire.
As Chinese patent notification number is：206211038 U of CN, on May 31st, 2017 bulletin a kind of short-circuit device,
Including conducting wire, conductive sheet and bolt, the first end of at least two/beam conducting wire is connect with conductive sheet, at least two/beam conducting wire
Second end interconnect, the conductive sheet is sheathed on by through-hole thereon on bolt, the conducting wire and conductive sheet one into
Although type, this device ensure that effective reliable contacts of conducting wire and conductive sheet, but it is too low and easy to tighten efficiency during bolt
Occur that fixing bolt degree of screwing is different leads to the undesirable situation of indivedual point contacts.
Utility model content
The utility model primarily directed to the above problem, provide it is a kind of so that between conducting wire and terminal attended operation it is simple, work
Make efficient, stable connection is lasting, and short circuit is efficient, safe secondary device current testing connection terminal.
The purpose of this utility model is mainly what is be achieved by following proposal：A kind of secondary device current testing connection
Terminal, pedestal and plug-in type short circuit piece including insulation, the both sides of the pedestal are correspondingly arranged at least two pairs of terminal bases, institute
The terminal base upper end stated is provided with wire guide, and the terminal cavities being connect with wire guide, the end are provided in the terminal base
Sub- intracavitary is provided with the U-shaped folder piece for clamping conducting wire, is connected at the upper end opening of the U-shaped folder piece with wire guide, described
U-shaped folder piece upper end be provided with two elastic collets clamped always, the U-shaped folder in described be correspondingly arranged two terminal bases
The bottom of piece is connected with conductive sheet, and the both sides of the U-shaped folder piece are provided with stabilising arrangement, and the stabilising arrangement includes setting
Fixed block on U-shaped folder piece side wall and the fixing groove for being arranged on terminal base inner wall and matching with fixed block, described consolidates
Determine to be connected with fixed spring between slot and fixed block, pinching end, the pinching end are provided on the elastic collet inner wall
On be provided with clip tooth, the both sides of the pedestal are correspondingly arranged on and the matched slot of plug-in type short circuit piece, the slot
It is arranged on abutting end stroma and at base center, card slot, the plug-in type is provided on the wall of the slot-side
Short circuit piece includes insulation division and short circuit portion, and the side of the insulation division is provided with gripping mechanism, and the gripping mechanism includes
Be arranged on insulation division side and fixture block matched with card slot, be arranged on lug boss of the fixture block on the wall of short circuit portion side and
Be arranged on card slot bottom surface and with the matched recessed portion of lug boss.The both sides of pedestal are correspondingly arranged at least two pairs of terminal bases,
Terminal base upper end is provided with wire guide, and the terminal cavities being connect with wire guide are provided in terminal base, is provided with and is used in terminal cavities
The U-shaped folder piece of conducting wire is clamped, is connected at the upper end opening of U-shaped folder piece with wire guide, U-shaped folder piece upper end is provided with two and presss from both sides always
Tight elastic collet, wire guide are used to implement the connection of terminal and conducting wire, and conducting wire is inserted into terminal cavities simultaneously from wire guide
It is against at the top of U-shaped folder piece, is assisted by the open-top elastic collet of conducting wire or with screwdriver first that elastic collet is open-top, then conducting wire is inserted into
Inside U row intermediate plates, screwdriver is removed so that the elastic collet of both sides is by conductor clamping so that conducting wire is immovable, is correspondingly arranged
Two terminal bases in the bottom of U-shaped folder piece be connected with conductive sheet, conducting wire is against U-shaped folder piece bottom and is connect with conductive sheet
It touches, realizes the circuit connection between two terminal bases being correspondingly arranged, the both sides of U-shaped folder piece are provided with stabilising arrangement, stablize
Device includes the fixed block being arranged on U-shaped folder piece side wall and the fixation for being arranged on terminal base inner wall and matching with fixed block
Slot is connected with fixed spring between fixing groove and fixed block, when conducting wire is inserted into U-shaped folder piece, U-shaped folder piece is opened by toward both sides
The power opened, after the both sides of U-shaped folder piece are flared, fixed block can be embedded in matched fixing groove, when fixed block is embedded in one
During fixed depth, tension and the fixed spring of U-shaped folder block both sides reach equilibrium state to the active force of fixed block so that conducting wire exists
Reach stable state in terminal base, while fixed spring can also play the role of damping, buffering when conducting wire shakes；Elastic collet
Pinching end is provided on inner wall, clip tooth is provided on pinching end, pinching end is in the shape to match with conducting wire, in elastic collet
Under clamping force effect, pinching end tightly clamp conducting wire, the ratchet that is set on pinching end is inserted into conducting wire, effectively prevent traverse shaft
To movement, the both sides of pedestal are correspondingly arranged on is arranged on abutting end stroma simultaneously with the matched slot of plug-in type short circuit piece, slot
At base center, card slot is provided on the wall of slot-side, plug-in type short circuit piece includes insulation division and short circuit portion, insulation division
Side be provided with gripping mechanism, gripping mechanism includes being arranged on insulation division side and fixture block matched with card slot, is arranged on
Lug boss of the fixture block on the wall of short circuit portion side and be arranged on card slot bottom surface and with the matched recessed portion of lug boss, will
Plug-in type short circuit piece is inserted into slot, and the fixture block of insulation division side is downwardly into along card slot, when fixture block touches card slot bottom surface
When upper, the lug boss on fixture block can be caught in recessed portion with matching so that plug-in type short circuit piece is inserted in place, and is being closed
Suitable position is fixed, and can prevent secondary circuit disconnection or virtual connection.
Preferably, the both sides of the pedestal are provided with the slug for carrying out label to terminal base, the mark
Note item is located at abutting end stroma and far from base center.The both sides of pedestal are provided with the label for carrying out label to terminal base
Item, slug are located at abutting end stroma and far from base centers, have on slug to abutting end stroma or the end being oppositely arranged
The label of stroma facilitates staff's operation, prevents from malfunctioning during connection.
Preferably, the teeth directional of the clip tooth is oblique U-shaped folder piece bottom direction.The teeth directional of clip tooth is oblique U-shaped folder
Piece bottom direction, when conducting wire is inserted into U-shaped folder piece, the clip tooth of oblique U-shaped folder piece bottom direction will not be more to conducting wire generation
Resistance, after elastic collet is by conductor clamping, clip tooth tightly clamp conducting wire, when conducting wire will toward far from U-shaped folder piece direction move
When dynamic, clip tooth can generate conducting wire larger resistance, prevent conducting wire from moving so that stability is more preferable.
Preferably, the lug boss is in sphere shape.Lug boss is in sphere shape, more aesthetically pleasing, with matching recessed
Concave portion has the spherical inner cavity of opening for upper end, and opening is slightly less than the diameter of lug boss, lug boss is caught in across opening recessed
In concave portion so that short circuit piece is fixed during discrepancy.
Preferably, the lug boss is made of insulating elastic material.Lug boss is made of insulating elastic material, protrusion
Portion is caught in recessed portion by that can deform diminution during opening so that lug boss fits inside faster, reduces the damage generated during friction
Consumption increases the service life of device.
Therefore, a kind of secondary device current testing connection terminal of the utility model has following advantages：It improves secondary
Device current tests connection terminal short circuit efficiency, reduces traditional short circuit sheet mode short circuit and secondary circuit is caused to disconnect or virtual connection
Occur, eliminate because the metal part of traditional short circuit piece is exposed outside, electrical distance is small, carry out load test when work
Phenomena such as accidentally touching, discharging is easily caused, leads to the hidden danger of the incorrect operation of protection, increases safety；Between conducting wire and terminal
Attended operation is simple, and working efficiency is high, and stable connection is lasting.
Description of the drawings
Attached drawing 1 is a kind of structure diagram of the utility model.
Attached drawing 2 is sectional view at A-A in attached drawing 1.
Attached drawing 3 is the structure diagram of the plug-in type short circuit piece side in the utility model.
Attached drawing 4 is the structure diagram of the plug-in type short circuit piece opposite side in the utility model.
It illustrates：1- pedestals, 2- slugs, 3- wire guides, 4- slots, 5- recessed portions, 6- demarcation strips, 7- terminal cavities,
8- fixed springs, 9- fixing grooves, 10- fixed blocks, 11-U type intermediate plates, 12- gutters, 13- conductive sheets, 14- card slots, 15- elasticity
Collet, 16- clip tooths, 17- pinching ends, 18- terminal bases, 19- insulation divisions, 20- stabilization blocks, 21- short circuits portion, 22- fixture blocks, 23- are convex
The portion of rising.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1：
As shown in Figure 1,2,3, 4, a kind of secondary device current testing connection terminal, pedestal 1 and plug-in type including insulation
Short circuit piece, the both sides of pedestal are provided with the slug 2 for carrying out label to terminal base, and slug is located at abutting end stroma and remote
There is the label to abutting end stroma or the terminal base being oppositely arranged at base center, on slug, facilitate staff behaviour
Make, prevent from malfunctioning during connection；The both sides of pedestal are correspondingly arranged at least two pairs of terminal bases 17, terminal base upper end and are provided with wire guide
3, the terminal cavities 7 being connect with wire guide are provided in terminal base, and the U-shaped folder piece 11, U for clamping conducting wire is provided in terminal cavities
It is connected at the upper end opening of type intermediate plate with wire guide, U-shaped folder piece upper end is provided with two elastic collets clamped always 15, conducting wire
Hole is used to implement the connection of terminal and conducting wire, and conducting wire is inserted into from wire guide in terminal cavities and is against at the top of U-shaped folder piece, will
The open-top elastic collet of conducting wire is first open-top by elastic collet with screwdriver auxiliary, then conducting wire is inserted into inside U row intermediate plates, removes spiral shell
Silk knife so that the elastic collet of both sides is by conductor clamping so that conducting wire is immovable, the U in two be correspondingly arranged terminal base
The bottom of type intermediate plate is connected with conductive sheet 13, and conducting wire is against U-shaped folder piece bottom and is contacted with conductive sheet, realizes and is correspondingly arranged
Two terminal bases between circuit connection, the both sides of U-shaped folder piece are provided with stabilising arrangement, and stabilising arrangement includes being arranged on U-shaped
Fixed block 10 on intermediate plate side wall and the fixing groove 9 for being arranged on terminal base inner wall and matching with fixed block, fixing groove with it is solid
Determine to be connected with fixed spring 8 between block, when conducting wire is inserted into U-shaped folder piece, U-shaped folder piece is by the power opened toward both sides, U-shaped folder
After the both sides of piece are flared, fixed block can be embedded in matched fixing groove, when fixed block is embedded in certain depth, U
The tension of type fixture block both sides reaches equilibrium state with fixed spring to the active force of fixed block so that conducting wire reaches in terminal base
Stable state, while fixed spring can also play the role of damping, buffering when conducting wire shakes；It is provided on elastic collet inner wall
Pinching end 18 is provided with clip tooth 16 on pinching end, and pinching end is in the shape to match with conducting wire, in the clamping masterpiece of elastic collet
Under, pinching end tightly clamp conducting wire, the ratchet that is set on pinching end is inserted into conducting wire, and the teeth directional of clip tooth is oblique U-shaped folder
Piece bottom direction, when conducting wire is inserted into U-shaped folder piece, the clip tooth of oblique U-shaped folder piece bottom direction will not be more to conducting wire generation
Resistance, after elastic collet is by conductor clamping, clip tooth tightly clamp conducting wire, when conducting wire will toward far from U-shaped folder piece direction move
When dynamic, clip tooth can generate conducting wire larger resistance, prevent conducting wire from moving so that stability is more preferable；The both sides of pedestal correspond to and set
It is equipped with and is arranged on abutting end stroma with the matched slot 4 of plug-in type short circuit piece, slot and at base center, slot-side
Wall on be provided with card slot 14, be provided with gutter 12 on the wall of slot opposite side, plug-in type short circuit piece includes 19 He of insulation division
Short circuit portion 21, the side of insulation division are provided with gripping mechanism, and gripping mechanism includes being arranged on insulation division side and match with card slot
The fixture block 22 of conjunction, be arranged on lug boss 23 of the fixture block on the wall of short circuit portion side and be arranged on card slot bottom surface and with protrusion
The matched recessed portion 5 in portion, be provided on the wall of insulation division opposite side with the matched stable block 20 of gutter, plug-in type is short
Contact pin is inserted into slot, and the stabilization block of insulation division side is downwardly into along gutter, and the fixture block of insulation division opposite side is along card
Slot is downwardly into, and when fixture block is touched on card slot bottom surface, the lug boss on fixture block can be caught in recessed portion with matching,
So that plug-in type short circuit piece is inserted in place, and be fixed in place, secondary circuit disconnection or virtual connection can be prevented, it is adjacent
It is separated between two slots by demarcation strip 6, when operation is safer, and lug boss is more aesthetically pleasing in sphere shape, cooperating therewith
Recessed portion have the spherical inner cavity of opening for upper end, opening is slightly less than the diameter of lug boss, and lug boss is passed through opening card
Enter in recessed portion so that short circuit piece is fixed during discrepancy, and lug boss is made of insulating elastic material, and lug boss is caught in recessed portion
By diminution can be deformed during opening so that lug boss fits inside faster, the loss generated during friction is reduced, increases dress
The service life put.
It should be understood that the embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.In addition
It should be understood that after reading the content taught by the present invention, those skilled in the art can make the utility model various
Change or modification, these equivalent forms also fall within the scope of the appended claims of the present application.
Claims (5)
1. a kind of secondary device current testing connection terminal, which is characterized in that pedestal and plug-in type short circuit piece including insulation, institute
The both sides for the pedestal stated are correspondingly arranged at least two pairs of terminal bases, and the terminal base upper end is provided with wire guide, the end
The terminal cavities being connect with wire guide are provided in stroma, the U-shaped folder piece for clamping conducting wire, institute are provided in the terminal cavities
It is connected at the upper end opening of U-shaped folder piece stated with wire guide, the U-shaped folder piece upper end is provided with two elasticity clamped always
Collet, the bottom of the U-shaped folder piece in described be correspondingly arranged two terminal bases are connected with conductive sheet, the U-shaped folder piece
Both sides are provided with stabilising arrangement, and the stabilising arrangement includes the fixed block being arranged on U-shaped folder piece side wall and is arranged on terminal
The fixing groove to match on seat inner wall and with fixed block, is connected with fixed spring between the fixing groove and fixed block, described
Elastic collet inner wall on be provided with pinching end, be provided with clip tooth on the pinching end, the both sides of the pedestal, which correspond to, to be set
It is equipped with and is arranged on abutting end stroma with the matched slot of plug-in type short circuit piece, the slot and at base center, institute
Card slot is provided on the wall for the slot-side stated, gutter, the plug-in type are provided on the wall of the slot opposite side
Short circuit piece includes insulation division and short circuit portion, and the side of the insulation division is provided with gripping mechanism, and the gripping mechanism includes
Be arranged on insulation division side and fixture block matched with card slot, be arranged on lug boss of the fixture block on the wall of short circuit portion side and
Be arranged on card slot bottom surface and with the matched recessed portion of lug boss, be provided on the wall of the insulation division opposite side with stablizing
The matched stable block of slot.
2. a kind of secondary device current testing connection terminal according to claim 1, which is characterized in that the pedestal
Both sides are provided with the slug for carrying out label to terminal base, and the slug is located at abutting end stroma and far from pedestal
At the heart.
3. a kind of secondary device current testing connection terminal according to claim 1, which is characterized in that the clip tooth
Teeth directional is oblique U-shaped folder piece bottom direction.
4. a kind of secondary device current testing connection terminal according to claims 1 or 2 or 3, which is characterized in that described
Lug boss is in sphere shape.
A kind of 5. secondary device current testing connection terminal according to claim 4, which is characterized in that the lug boss
It is made of insulating elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721309281.4U CN207504196U (en) | 2017-10-10 | 2017-10-10 | A kind of secondary device current testing connection terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721309281.4U CN207504196U (en) | 2017-10-10 | 2017-10-10 | A kind of secondary device current testing connection terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207504196U true CN207504196U (en) | 2018-06-15 |
Family
ID=62500021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721309281.4U Active CN207504196U (en) | 2017-10-10 | 2017-10-10 | A kind of secondary device current testing connection terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207504196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488053A (en) * | 2019-09-19 | 2019-11-22 | 河南科技大学 | A kind of regular clip of insulation for testing terminal stud |
| CN112730899A (en) * | 2020-11-26 | 2021-04-30 | 深圳供电局有限公司 | Self-fixing detection device |
-
2017
- 2017-10-10 CN CN201721309281.4U patent/CN207504196U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488053A (en) * | 2019-09-19 | 2019-11-22 | 河南科技大学 | A kind of regular clip of insulation for testing terminal stud |
| CN112730899A (en) * | 2020-11-26 | 2021-04-30 | 深圳供电局有限公司 | Self-fixing detection device |
| CN112730899B (en) * | 2020-11-26 | 2023-08-18 | 深圳供电局有限公司 | Self-fixing detection device |
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