CN208833807U - Test plug and terminal block test plug - Google Patents
Test plug and terminal block test plug Download PDFInfo
- Publication number
- CN208833807U CN208833807U CN201821444856.8U CN201821444856U CN208833807U CN 208833807 U CN208833807 U CN 208833807U CN 201821444856 U CN201821444856 U CN 201821444856U CN 208833807 U CN208833807 U CN 208833807U
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- shell
- conductive
- contact pin
- test plug
- terminal
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Abstract
The utility model provides a kind of test plug and terminal block test plug, is related to the technical field of test plug, which includes plug end, conductive pin shell and active conductive contact pin；The plug end and the conductive pin shell are electrically connected, and the active conductive contact pin is resiliently attached in conductive pin shell；The plug end and testing equipment are electrically connected, the conductive pin shell is inserted into terminal round, and the active conductive contact pin can resist the metal screws of the terminal round and be contacted under elastic reaction, solves the technical issues of test lead connection is complex, is easy to produce ground connection or short-circuit risks.
Description
Technical field
The utility model relates to power distribution equipment technical fields, test and insert more particularly, to a kind of test plug and terminal block
Head.
Background technique
In order to ensure the safe and stable operation of power grid, need to guarantee the safe and reliable fortune of the power equipments such as substation, power plant
Row, the especially reliability service of secondary device.In order to realize the safe and stable operation of secondary device, need periodically to secondary device
It tests.The inspection of secondary device, the course of receiving are a more complicated, cumbersome job, need to connect during the test
A large amount of test lead is connect to equipment to be tested, the process of joint test conducting wire will spend the long time, affect work
Efficiency.
There are mainly two types of the methods of traditional joint test conducting wire: one kind being directly connected to terminal block testing terminal；It is another
Kind is to remove terminal block connecting line, and p-wire is accessed terminal.It is directly inserted into the case where terminal block has testing terminal
Test wire plug, such as electric current, voltage terminal, the input of most equipment, output terminal are without testing terminal, it has not been convenient to straight
It patches into test lead, to access test lead at this time can split out original conducting wire, then access test lead.Or use band
The plug of screw thread is screwed into the terminal block among terminal block and is shorted piece screw hole, but no-terminal row is shorted piece spiral shell among some terminal blocks
Hole, at this moment this method is infeasible, it has to remove conducting wire.
In the case where terminal block does not have testing terminal or terminal block not to be shorted piece screw hole, traditional method needs will be former
The conducting wire for being connected to terminal block come is removed, and test lead is accessed.The method of joint test conducting wire is not only comparatively laborious, it has not been convenient to
Joint test conducting wire influences working efficiency, and the process of reconnection is easier to malfunction.
In consideration of it, provide it is a kind of be convenient for install and can seem outstanding to the test plug that operating personnel plays a protective role
It is important.
The information disclosed in the background technology section is intended only to deepen the reason to the general background technology of the utility model
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Utility model content
The purpose of this utility model is to provide test plug and terminal block test plugs, to alleviate above-mentioned technical problem.
In a first aspect, a kind of test plug provided by the utility model, including plug end, conductive pin shell and activity
Conductive pin；
The plug end and the conductive pin shell are electrically connected, and the active conductive contact pin is resiliently attached to conductive insert
In needle shell；
The plug end and testing equipment are electrically connected, and the conductive pin shell is inserted into terminal round, and institute
The metal screws of the terminal round can be resisted and be contacted under elastic reaction by stating active conductive contact pin.
Further, active conductive contact pin one end is connected in the conductive pin shell by elastic component, another
End resists the metal screws.
Further, the elastic component is spring.
Further, the active conductive contact pin is horizontally disposed in the conductive pin shell；
The active conductive contact pin includes sequentially connected contact pin, interconnecting piece and abutting part, and the abutting part is for resisting
The diameter of the elastic component, the contact pin and the abutting part is all larger than the diameter of the interconnecting piece.
Further, the conductive pin shell is provided with retention bead close to opening；
The joining place of the abutting part and the interconnecting piece is provided with the limit chamfering for being connected in the retention bead, with limit
Make moving range of the active conductive contact pin in the conductive pin shell.
Further, the conductive pin shell exterior wraps up insulation crust.
Further, the diameter of the insulation crust is gradually increased from opening, and the insulation crust can be clamped
In in the terminal round.
Further, the conductive pin shell is made of copper material.
Further, it is electrically connected between the plug end and the conductive pin shell by conducting wire.
Second aspect, a kind of terminal block test plug provided by the utility model are inserted including terminal block and above-mentioned test
Head；
Multiple terminal rounds are provided in the terminal block, it is short to be provided with terminal block between the two neighboring terminal round
Contact pin screw hole；
Metal screws are provided in the terminal round, the active conductive contact pin resists metal spiral shell under elastic reaction
Silk, the insulation crust of the conductive pin shell exterior are connected in the terminal round.
Test plug provided by the utility model and terminal block test plug are primarily present following advantage:
Test plug provided by the utility model, including plug end, conductive pin shell and active conductive contact pin；It is described
Plug end and the conductive pin shell are electrically connected, and the active conductive contact pin is resiliently attached in conductive pin shell；Institute
It states plug end and testing equipment is electrically connected, the conductive pin shell is inserted into terminal round, and the active conductive
Contact pin can resist the metal screws of the terminal round and be contacted under elastic reaction.
The active conductive contact pin of the utility model can be contracted in completely in conductive pin shell, due to using bullet therebetween
Property connection, cause generate a reaction force so that active conductive contact pin is withstood the metal screws in terminal round, it is ensured that activity is led
Electric mortiser needle is reliably contacted with metal screws.The conductive pin shell and plug end of active conductive contact pin are electrically connected, and pass through plug
End is connected to experimental facilities jack.In use, plug end is connected in the test jack of testing equipment, active conductive contact pin and
Conductive pin shell is directly inserted in terminal round, and conductive pin shell frictionally is fixed in terminal round, active conductive
Contact pin withstands the metal screws in terminal round with certain elastic force, and realization conductive pin is reliably connected with terminal block end.
The utility model overcomes in the case where terminal block does not test jack or terminal block does not have screw hole, and needing will be former
Come connecting wire remove, then access low efficiency caused by test lead, be not easy to operation etc. risks, and by intercalation part with
And the connection of conductive pin, realize simple and reliable effective connection.
Terminal block test plug provided by the utility model, including test plug, therefore there is above-mentioned test plug to have
All advantages, details are not described herein.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of test plug provided by the embodiment of the utility model；
Fig. 2 is the top view of terminal block provided by the embodiment of the utility model；
Fig. 3 is the main view of terminal block provided by the embodiment of the utility model.
Icon: 1- plug end；2- conducting wire；3- active conductive contact pin；4- conductive pin shell；5- spring；6- is exhausted
Edge shell；7- terminal block；8- terminal round；9- terminal block is shorted piece screw hole；10- metal screws.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, with specific orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
It please refers to shown in Fig. 1-Fig. 3, test plug provided in this embodiment and terminal block is tested below in conjunction with attached drawing
Plug elaborates.
On the one hand, test plug provided in this embodiment, including plug end 1, conductive pin shell 4 and active conductive are inserted
Needle 3；Plug end 1 and conductive pin shell 4 are electrically connected, and active conductive contact pin 3 is resiliently attached in conductive pin shell 4；It inserts
Head end 1 and testing equipment are electrically connected, and conductive pin shell 4 is inserted into terminal round 8, and active conductive contact pin 3 can
The metal screws 10 of terminal round 8 are resisted under elastic reaction and are contacted.
The active conductive contact pin 3 of the present embodiment can be contracted in completely in conductive pin shell 4, due to using bullet therebetween
Property connection, causing to generate a reaction force makes active conductive contact pin 3 withstand the metal screws 10 in terminal round 8, it is ensured that living
Moving conductive contact pin 3 is reliably contacted with metal screws 10.The conductive pin shell 4 of active conductive contact pin 3 electrically connects with plug end 1
It connects, experimental facilities jack is connected to by plug end 1.In use, plug end 1 is connected in the test jack of testing equipment,
Active conductive contact pin 3 and conductive pin shell 4 are directly inserted in terminal round 8, and 4 frictionally of conductive pin shell is fixed on end
In sub- round 8, active conductive contact pin 3 withstands the metal screws 10 in terminal round 8 with certain elastic force, realize conductive pin with
7 end of terminal block is reliably connected.
The present embodiment overcomes in the case where terminal block 7 does not test jack or terminal block 7 without screw hole, and needing will be former
The connecting wire 2 come is removed, then is accessed low efficiency caused by test lead 2, is not easy to the risks such as operation, and pass through intercalation part
And the connection of conductive pin, realize simple and reliable effective connection.
In the optinal plan of the present embodiment, 3 one end of active conductive contact pin is connected to conductive pin shell 4 by elastic component
Interior, the other end resists metal screws 10.Specifically, elastic component is spring 5.
In the optinal plan of the present embodiment, active conductive contact pin 3 is horizontally disposed in conductive pin shell 4；It is living
Moving conductive contact pin 3 includes sequentially connected contact pin, interconnecting piece and abutting part, and abutting part is for resisting elastic component, contact pin and abutting
The diameter in portion is all larger than the diameter of interconnecting piece.
In the optinal plan of the present embodiment, conductive pin shell 4 is provided with retention bead close to opening；Abutting part and company
The joining place of socket part is provided with the limit chamfering for being connected in retention bead, to limit active conductive contact pin 3 in conductive pin shell 4
Interior moving range.
In the optinal plan of the present embodiment, insulation crust 6 is wrapped up outside conductive pin shell 4.Specifically, insulation crust 6
Diameter be gradually increased from opening, insulation crust 6 can be connected in terminal round 8.Wherein, conductive pin shell 4
It is made of copper material.Insulation crust 6 plays insulating effect for wrapping up conductive pin shell 4.
In the optinal plan of the present embodiment, it is electrically connected between plug end 1 and conductive pin shell 4 by conducting wire 2.
On the other hand, the present embodiment provides a kind of 7 test plugs of terminal block, including terminal block 7 and above-mentioned test plug；
It is provided with multiple terminal rounds 8 in terminal block 7, terminal block is provided between two neighboring terminal round 8 and is shorted piece screw hole 9；End
It is provided with metal screws 10 in sub- round 8, active conductive contact pin 3 resists metal screws 10 under elastic reaction, outside conductive pin
Insulation crust 6 outside shell 4 is connected in terminal round 8.The present embodiment provides a kind of 7 test plugs of terminal block, including test
Plug, therefore have the advantages that all that above-mentioned test plug has, details are not described herein.
The working principle of the present embodiment: for active conductive contact pin 3 using conductive copper material production, shape is irregular
, intermediate thin, both ends are thick, and convenient for being connected to inside conductive pin shell 4, spring 5 and active conductive contact pin 3 are in alignment interior
It is placed in conductive pin shell 4, is nearby being provided with retention bead apart from the opening of conductive pin shell 4, is being stuck in work just
The intermediate narrower portion of moving conductive contact pin 3, active conductive contact pin 3 is fixed, and insulation crust 6 is wrapped in outside conductive pin shell 4,
Insulating effect is played, conducting wire 2 links together conductive pin shell 4 with intercalation part, and active conductive contact pin 3 is directly inserted into end
In sub- round 8,6 front end external diameter of insulation crust is suitable with 8 diameter of terminal round, and backward slightly thick, is thus inserted into terminal block
Hole 8 can be fixed with frictionally, and active conductive contact pin 3 keeps the metal screws in certain direct contact terminal round 8 of elastic force
10。
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the present embodiment, rather than its limitations；
Although the present embodiment is described in detail referring to foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or special to some or all of technologies
Sign is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and the present embodiment is respectively implemented
The range of example technical solution.
Claims (10)
1. a kind of test plug characterized by comprising plug end, conductive pin shell and active conductive contact pin；
The plug end and the conductive pin shell are electrically connected, and the active conductive contact pin is resiliently attached to outside conductive pin
In shell；
The plug end and testing equipment are electrically connected, and the conductive pin shell is inserted into terminal round, and the work
Moving conductive contact pin can resist the metal screws of the terminal round and be contacted under elastic reaction.
2. test plug according to claim 1, which is characterized in that active conductive contact pin one end is connected by elastic component
It is connected in the conductive pin shell, the other end resists the metal screws.
3. test plug according to claim 2, which is characterized in that the elastic component is spring.
4. test plug according to claim 2, which is characterized in that the active conductive contact pin it is horizontally disposed in
In the conductive pin shell；
The active conductive contact pin includes sequentially connected contact pin, interconnecting piece and abutting part, and the abutting part is described for resisting
The diameter of elastic component, the contact pin and the abutting part is all larger than the diameter of the interconnecting piece.
5. test plug according to claim 4, which is characterized in that the conductive pin shell is provided with close to opening
Retention bead；
The joining place of the abutting part and the interconnecting piece is provided with the limit chamfering for being connected in the retention bead, to limit
State moving range of the active conductive contact pin in the conductive pin shell.
6. test plug according to claim 1, which is characterized in that the conductive pin shell exterior package insulation is outer
Shell.
7. test plug according to claim 6, which is characterized in that the diameter of the insulation crust gradually increases from opening
Greatly, the insulation crust can be connected in the terminal round.
8. test plug according to claim 1, which is characterized in that the conductive pin shell uses copper material system
At.
9. test plug according to claim 1, which is characterized in that between the plug end and the conductive pin shell
It is electrically connected by conducting wire.
10. a kind of terminal block test plug characterized by comprising terminal block and such as claim 1-9 are described in any item
Test plug；
It is provided with multiple terminal rounds in the terminal block, terminal block is provided between the two neighboring terminal round and is shorted piece
Screw hole；
Metal screws are provided in the terminal round, the active conductive contact pin resists metal screws, institute under elastic reaction
The insulation crust for stating conductive pin shell exterior is connected in the terminal round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444856.8U CN208833807U (en) | 2018-09-03 | 2018-09-03 | Test plug and terminal block test plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444856.8U CN208833807U (en) | 2018-09-03 | 2018-09-03 | Test plug and terminal block test plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208833807U true CN208833807U (en) | 2019-05-07 |
Family
ID=66311938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821444856.8U Active CN208833807U (en) | 2018-09-03 | 2018-09-03 | Test plug and terminal block test plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208833807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596103A (en) * | 2020-06-24 | 2020-08-28 | 国网江苏省电力有限公司无锡供电分公司 | Electric power secondary test short-circuit pen |
| CN112751231A (en) * | 2019-10-31 | 2021-05-04 | 北京京人电器有限公司 | Plug device |
-
2018
- 2018-09-03 CN CN201821444856.8U patent/CN208833807U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112751231A (en) * | 2019-10-31 | 2021-05-04 | 北京京人电器有限公司 | Plug device |
| CN112751231B (en) * | 2019-10-31 | 2024-02-06 | 北京京人电器有限公司 | Plug device |
| CN111596103A (en) * | 2020-06-24 | 2020-08-28 | 国网江苏省电力有限公司无锡供电分公司 | Electric power secondary test short-circuit pen |
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| GR01 | Patent grant |