CN105866476B - Portable testing terminal - Google Patents
Portable testing terminal Download PDFInfo
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- CN105866476B CN105866476B CN201610181517.4A CN201610181517A CN105866476B CN 105866476 B CN105866476 B CN 105866476B CN 201610181517 A CN201610181517 A CN 201610181517A CN 105866476 B CN105866476 B CN 105866476B
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- fulcrum bearing
- fixture
- probe
- socket
- connector
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- 238000012360 testing method Methods 0.000 title claims abstract description 52
- 239000000523 sample Substances 0.000 claims abstract description 48
- 238000009413 insulation Methods 0.000 claims abstract description 39
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 206010037660 Pyrexia Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
- G01R1/06716—Elastic
- G01R1/06722—Spring-loaded
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
- G01R1/06733—Geometry aspects
- G01R1/06738—Geometry aspects related to tip portion
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geometry (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The present invention provides a kind of portable testing terminals, belong to terminal device technical field.Portable testing terminal, including fixture, fulcrum bearing, socket, probe and assisted fasteners, the fulcrum bearing is insulation product, the socket and probe are respectively electric conductor, the fixture is fixedly connected with the fulcrum bearing, if stem socket is arranged in the fulcrum bearing, one end linking probe of the socket, the fixture is symmetrical about fulcrum bearing, the fixture include the insulation bayonet part matched with terminal block sidewall shape and with the snap arm that connect of insulation bayonet part, the front end of the fixture or rear end setting assisted fasteners.Test connection can be smoothly added in the case where terminal block does not remove original wiring in the portable testing terminal of the present invention, continue corresponding test, save the second trial time, improve second trial safety.
Description
Technical field
The invention belongs to terminal device technical fields, and in particular to a kind of portable testing terminal.
Background technique
Terminal refers to wiring terminal more, is called connecting terminal, effect mainly transmitting electric signal or conductive use.In engineering,
It is the interface that engineering is engineering is reserved after standing before standing, and is the pre-buried facility of Interface Engineering behind station.Wiring is carried out on protection screen
When test, being frequently encountered in terminal block when test connection (especially voltage link) is added does not have the case where testing terminal, this
When to be added voltage must just remove original voltage link, change contact pin to access voltage test line, this process can
Original voltage link can be damaged, it is also possible to the case where causing virtual connection in reconnection, while can waste big
Measure the time.
Application No. is 201510332203.5 patents to disclose a kind of second protection testing terminal row adapter, including hook
Shape hitch and chovr body, hook-shaped hitch include upper frame, lower frame and nonrigid connector, nonrigid connector both ends respectively with
Upper and lower frame body elastic connection;Upper frame is equipped with chovr body mounting hole, and chovr body is mounted on the chovr body mounting hole of upper frame
In, chovr body includes the insulation shell being connected, coupling and grafting set, and insulation shell is equipped with grafting up and down
Hole, spliced eye internal upper part is equipped with grafting set, lower part is equipped with coupling, and coupling lower end reaches other than insulation shell, grafting
Set and coupling are electric conductor, and are electrically connected to each other.When the invention is used for secondary circuit reaying protection test, without to secondary
Route is dismantled, and not only work efficiency is high, but also will not cause to damage to route, can effectively solve that terminal block is repeated multiple times to tear open
The power supply trouble that damage and mis-wired caused by connecting pin cause is connect, safety is operated with.The adapter is used in terminal block
Limitation is stronger, and during test, electrical connection is unstable, is also unable to satisfy the test connection operation of terminal block.
Summary of the invention
The technical problem to be solved by the present invention is to, in view of the deficiencies of the prior art, provide it is a kind of portable, it is highly-safe,
Overhaul efficiency is high, can go on smoothly the testing terminal of test connection without taking out stitches.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
Portable testing terminal, including fixture, fulcrum bearing, socket, probe and assisted fasteners, the fulcrum bearing are insulation
Product, the socket and probe are respectively electric conductor, and the fixture is fixedly connected with the fulcrum bearing, if the fulcrum bearing is arranged
Stem socket, one end linking probe of the socket, the fixture is symmetrical about fulcrum bearing, and the fixture includes and terminal block side wall
The insulation bayonet part and the snap arm being connect with the insulation bayonet part that shape matches, the front end or rear end of the fixture
Assisted fasteners are set.
Further, the snap arm is in tong-like, is the open thin-wall construction in side, and the snap arm, which has to this, opens wide side
Torque spring is arranged between the auricle in the auricle of extension.
Further, the fulcrum bearing is in " work " type, and the recess portion of two sides is sufficient to accommodate the auricle and torque spring, is constituted
The jag of the recess portion is fixedly connected with the auricle.
Further, the rear end of the snap arm is equipped with through-hole, and the assisted fasteners pass through the through-hole, by the card
The rear end of arm connects.
Further, the snap arm includes the connecting column successively fixed, connector I, connector II and connector III, described
Connecting column is fixed with the fulcrum bearing, and the connector III is connect with the insulation bayonet part, the outside of the insulation bayonet part
Longitudinally disposed through-hole.
Further, the connector II is spring leaf, both ends respectively with the connector I and III grafting of connector.
Further, the assisted fasteners include that U-shaped part and the end through the U-shaped part extend through described lead to
The extended segment in hole, the extended segment is vertical with plane where the U-shaped part, and the end of the extended segment has bending part.
Further, the probe includes feeler lever and the probe that connect with the feeler lever, and the external cladding of the feeler lever is exhausted
Edge material, the probe are the gold-plated probe with spring.
Further, the socket side is connect with the feeler lever, another lateral 8 ~ 10 millimeters of fulcrum bearing sunken inside.
Compared with prior art, beneficial effects of the present invention are as follows:
The present invention is through the above technical solutions, provide a kind of portable, highly-safe, overhaul efficiency height, without taking out stitches i.e.
The testing terminal of test connection can be gone on smoothly;Its fixture being equipped with is arranged for fixing terminal, while being connect with fulcrum bearing;If
Some fulcrum bearings provide condition for fixture, socket to be fixed thereon, for probe connection and test connection connection;What is be equipped with inserts
For seat for probe to be connect with test connection, socket and probe are electric conductor, the two electrical connection;Probe and the electrical of terminal block connect
It connects well, biggish Current Voltage can be born, being powered for a long time is not in fever phenomenon;Assisted fasteners are used for fixture
It further fixes, while being provided convenience to carry.
It is combined by the connection of above structure, in terms of physics is fixed, the bayonet part of fixture can securely be stuck in end
Son row on, biggish torque is born on limited binding site, guarantee be not in after be inserted into more test wires loosening or
Binding site is subjected to displacement, and overall structure is firm, and guarantee test wiring work is gone on smoothly;It is electric for electrical connection aspect
Gas stable connection is reliable, and in the present invention, the bayonet part connecting with terminal block is insulation product, and fulcrum bearing uses insulation product,
Being fixed on socket in fulcrum bearing and probe is electric conductor, is electrically connected to each other, be electrically connected it is reliable and stable, be not in string electricity or
Person's poor contact phenomenon, and certain Current Voltage can be born, guarantee test is gone on smoothly.
The portable testing terminal of the present invention can smoothly be added test and connect in the case where terminal block does not remove original wiring
Line continues corresponding test, saves the second trial time, improves second trial safety;It can be widely applied for substation secondary
It is significant to shorten the substation secondary service work time in service work, safety is improved, in the long run, due to using the device
Physical hazard will not be caused to terminal block and connection cable, can significantly reduced as caused by connection cable or terminal block strain
Electric power accident probability.
Detailed description of the invention
Present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1: the structural schematic diagram of the embodiment of the present invention 1;
Fig. 2: Fig. 1 of the present invention A-A cross-sectional view;
Fig. 3: the structural schematic diagram of the embodiment of the present invention 2;
Fig. 4: the structural schematic diagram of the embodiment of the present invention 3;
Fig. 5: the side view of Fig. 4 of the present invention;
Fig. 6: the structural schematic diagram of the assisted fasteners of Fig. 4 of the present invention;
Fig. 7: the structural schematic diagram of probe of the present invention.
Specific embodiment
For a better understanding of the present invention, the contents of the present invention, but this hair are further fairly set out below with reference to embodiment
Bright protection content is not limited solely to the following examples.In the following description, give a large amount of concrete details so as to
More thorough understanding of the invention is provided.It will be apparent, however, to one skilled in the art that the present invention can be with
It is carried out without one or more of these details.
Embodiment 1
Refering to fig. 1 ~ Fig. 2, portable testing terminal, including fixture 1, fulcrum bearing 2, socket 3, probe 4 and assisted fasteners
5, the fulcrum bearing 2 is insulation product, and the socket 3 and probe 4 are respectively electric conductor, and the fixture 1 and the fulcrum bearing 2 are solid
Fixed connection, if stem socket 3 is arranged in the fulcrum bearing 2, one end linking probe 4 of the socket 3, the fixture 1 is about fulcrum bearing 2
Symmetrically, the fixture 1 include the insulation bayonet part 1-1 matched with terminal block sidewall shape and with the insulation bayonet part 1-1
Assisted fasteners 5 are arranged in the snap arm 1-2 of connection, the front end of the fixture 1 or rear end.
In this embodiment, it is provided with 4 sockets 3 in fulcrum bearing 2, is accessed respectively for red, black, green, yellow test connection.
Probe 4 is the contact medium of electrical testing, is accurate electronic component, surface gold-plating, there is average life span 30,000 in inside
~ 10 ten thousand high-performance springs.
The concrete shape of insulation bayonet part 1-1 is designed according to the side wall construction of terminal block, is advisable with secured clamping.
In the present embodiment, the snap arm 1-2 be in tong-like, be the open thin-wall construction in side, the snap arm 1-2 have to
This, which is opened wide, is arranged torque spring 1-4 between the auricle 1-3, the auricle 1-3 that side extends.
Wherein, pin 1-5 is worn between auricle 1-3 and torque spring 1-4 to fix, torque spring 1-4 resists snap arm simultaneously
1-2 and fulcrum bearing 2 enable snap arm 1-2 relatively movable in a certain range;When insulate bayonet part 1-1 card terminal block out when,
The front of snap arm 1-2 is opened, and torque spring 1-4 stress increases, while forcing in snap arm 1-2 and fulcrum bearing 2, and structure is steady
Gu.Snap arm 1-2 in the embodiment is integral type.
In the present embodiment, the fulcrum bearing 2 is in " work " type, and the recess portion 2-1 of two sides is sufficient to accommodate the auricle 1-3 and turns round
Power spring 1-4, the jag 2-2 for constituting the recess portion 2-1 are fixedly connected with the auricle 1-3.Refering to figure, the shape of fulcrum bearing 2
Shape can be well adapted for the connection of itself and auricle 1-3 and torque spring 1-4, and the recessed of fulcrum bearing 2 is arranged in torque spring 1-4
In portion 2-1, the placement space of device is not only saved, but also be conducive to the performance of torque spring 1-4 effect.
In order to keep the structure of the portable testing terminal of the present invention more firm, it is equipped in the rear end of the snap arm 1-2 logical
Hole, the assisted fasteners 5 pass through the through-hole, and the rear end of the snap arm 1-2 is connected.
The fixture being equipped in the present invention is arranged for fixing terminal, while being connect with fulcrum bearing;The fulcrum bearing being equipped with is used for will
Fixture, socket are fixed thereon, and provide condition for probe connection and test connection connection;The socket being equipped with is used for probe and examination
Wiring connection is tested, socket and probe are electric conductor, the two electrical connection;The electrical connection of probe and terminal block is good, can bear
Biggish Current Voltage, being powered for a long time is not in fever phenomenon;Assisted fasteners are for further fixing fixture, simultaneously
It is provided convenience to carry.
It is combined by the connection of above structure, in terms of physics is fixed, the bayonet part of fixture can securely be stuck in end
Son row on, biggish torque is born on limited binding site, guarantee be not in after be inserted into more test wires loosening or
Binding site is subjected to displacement, and overall structure is firm, and guarantee test wiring work is gone on smoothly;It is electric for electrical connection aspect
Gas stable connection is reliable, and in the present invention, the bayonet part connecting with terminal block is insulation product, and fulcrum bearing uses insulation product,
Being fixed on socket in fulcrum bearing and probe is electric conductor, is electrically connected to each other, be electrically connected it is reliable and stable, be not in string electricity or
Person's poor contact phenomenon, and certain Current Voltage can be born, guarantee test is gone on smoothly.
Embodiment 2
Refering to Fig. 3, portable testing terminal described in the present embodiment, including fixture 1, fulcrum bearing 2, socket 3, probe 4
With assisted fasteners 5, the fulcrum bearing 2 is insulation product, and the socket 3 and probe 4 are respectively electric conductor, the fixture 1 with
The fulcrum bearing 2 is fixedly connected, if stem socket 3, one end linking probe 4 of the socket 3, the card is arranged in the fulcrum bearing 2
Tool 1 is symmetrical about fulcrum bearing 2, the fixture 1 include the insulation bayonet part 1-1 matched with terminal block sidewall shape and with institute
The snap arm 1-2 of insulation bayonet part 1-1 connection is stated, assisted fasteners 5 are arranged in the front end of the fixture 1 or rear end, with implementation
Unlike example 1:
Snap arm 1-2 includes the connecting column 1-21 successively fixed, III 1- of I 1-22 of connector, II 1-23 of connector and connector
24, the connecting column 1-21 and the fulcrum bearing 2 are fixed, and III 1-24 of connector is connect with the insulation bayonet part 1-1, institute
State the longitudinally disposed through-hole 6 in outside of insulation bayonet part 1-1.
II 1-23 of connector be spring leaf, both ends respectively with I 1-22 of connector and III 1-24 grafting of connector.
Spring leaf is also known as heat-treated spring steel band, it is preferred to useStainless steel springPiece.The characteristics of spring leaf, is, only at one
It is easily bent in direction-minimum rigidity plane, and there is big tensible rigidity and bending stiffness in the other directions.
In this embodiment, snap arm 1-2 be assembly type, by connecting column 1-21, I 1-22 of connector, II 1-23 of connector and
III 1-24 of connector is connected in sequence, and connecting column 1-21 is fixed in fulcrum bearing 2, and II 1-23 of connector is spring leaf, can
To meet the opening of snap arm 1-2 certain amplitude.
Since II 1-23 of connector is spring leaf, in order to enable snap arm 1-2, in operation, structure is more firm, the present invention
It is longitudinally equipped with through-hole 6 in the outside of insulation bayonet part 1-1, assisted fasteners 5 are interted and are auxiliarily fixed wherein.
Embodiment 3
Refering to Fig. 4 ~ Fig. 6, portable testing terminal described in the present embodiment, including fixture 1, fulcrum bearing 2, socket 3, spy
Needle 4 and assisted fasteners 5, the fulcrum bearing 2 are insulation product, and the socket 3 and probe 4 are respectively electric conductor, the fixture 1
It is fixedly connected with the fulcrum bearing 2, if stem socket 3 is arranged in the fulcrum bearing 2, one end linking probe 4 of the socket 3 is described
Fixture 1 is symmetrical about fulcrum bearing 2, the fixture 1 include the insulation bayonet part 1-1 matched with terminal block sidewall shape and with
The snap arm 1-2 of the insulation bayonet part 1-1 connection, assisted fasteners 5 are arranged in the front end of the fixture 1 or rear end, with reality
It applies unlike example 2:
The assisted fasteners 5 include that U-shaped part 5-1 and the end through the U-shaped part 5-1 extend through the through-hole 6
Extended segment 5-2, the extended segment 5-2 is vertical with plane where the U-shaped part 5-1, and the end of the extended segment 5-2 has curved
Folding part 5-3.
In the present embodiment, in order to enable portable testing terminal described in embodiment 2 fixture 1 and terminal at work
The connection of row is stronger, devises above-mentioned structure, which can be clamped securely to fixture 1 in terminal block.When production,
The U-shaped part 5-1 is directed towards the setting of the side snap arm 1-2, in use and handling process, can play a protective role to snap arm 1-2.
Embodiment 4
Refering to Fig. 7, portable testing terminal described in the present embodiment, including fixture 1, fulcrum bearing 2, socket 3, probe 4
With assisted fasteners 5, the fulcrum bearing 2 is insulation product, and the socket 3 and probe 4 are respectively electric conductor, the fixture 1 with
The fulcrum bearing 2 is fixedly connected, if stem socket 3, one end linking probe 4 of the socket 3, the card is arranged in the fulcrum bearing 2
Tool 1 is symmetrical about fulcrum bearing 2, the fixture 1 include the insulation bayonet part 1-1 matched with terminal block sidewall shape and with institute
The snap arm 1-2 of insulation bayonet part 1-1 connection is stated, assisted fasteners 5 are arranged in the front end of the fixture 1 or rear end, with implementation
Unlike example 1 ~ 3:
The probe 4 includes the external packet of feeler lever 4-1 and the probe 4-2, the feeler lever 4-1 that connect with the feeler lever 4-1
Insulation material layer 4-3 is covered, the probe 4-2 is the gold-plated probe 4-2 with spring.4 elasticity of probe is strong, and connects with main structure
It connects and does not loosen reliably, it is not in string electricity or situations such as poor contact that through long-term field test, electric property is good, and energy
Bear biggish Current Voltage, be powered situations such as being not in fever for a long time.
3 side of socket is connect with the feeler lever 4-1, another described 8 ~ 10 millimeters of 2 sunken inside of fulcrum bearing lateral.It is added
The socket 3 of test connection side is recessed inwardly 8 ~ 10 millimeters, is while to accomplish good insulation effect for the ease of electrical connection,
Prevent operating personnel from accidentally touching electricity, more securely and reliably.
In this embodiment, the socket 3 is 4, is connect respectively with red, blue, green, black test connection.
Embodiment 5
Portable testing terminal described in the present embodiment, including fixture 1, fulcrum bearing 2, socket 3, probe 4 and auxiliary are tight
Firmware 5, the fulcrum bearing 2 are insulation product, and the socket 3 and probe 4 are respectively electric conductor, the fixture 1 and the bearing
Seat 2 is fixedly connected, if the fulcrum bearing 2 is arranged stem socket 3, one end linking probe 4 of the socket 3, the fixture 1 is about branch
It is symmetrical to hold seat 2, the fixture 1 include the insulation bayonet part 1-1 matched with terminal block sidewall shape and with the insulation bayonet
Assisted fasteners 5 are arranged in the snap arm 1-2 of portion 1-1 connection, the front end of the fixture 1 or rear end, different from embodiment 1 ~ 4
It is:
The fulcrum bearing 2 is transparent organic glass product.In the present invention, fulcrum bearing 2 with fixture 1, socket 3 due to that will connect
It connects, and socket 3 is the intermediary element of electrical connection, in order to keep state of insulation, fulcrum bearing 2 is it is necessary that use insulating materials.Hair
Bright people is in numerous existing insulating materials, and selection uses transparent organic glass product, and the transparency is good, and chemical stability is strong,
Mechanical property is good, it is often more important that the transparent products is used, it is easily observed that element contact and aging feelings inside fulcrum bearing 2
Condition, while during probe 4 is connect with terminal block, regardless of what angle to be all easily observed that docking progress, Neng Gouyou from
Effect improves operating efficiency and operational security.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (6)
1. portable testing terminal, it is characterised in that: including fixture, fulcrum bearing, socket, probe and assisted fasteners, the branch
Seat is held as insulation product, the socket and probe are respectively electric conductor, and the fixture is fixedly connected with the fulcrum bearing, the branch
It holds seat and 4 sockets is set, accessed respectively for red, black, green, yellow test connection, one end linking probe of the socket, the fixture
It is symmetrical about fulcrum bearing, the fixture include the insulation bayonet part matched with terminal block sidewall shape and with the edge insulator
Assisted fasteners are arranged in the snap arm of oral area connection, the front end of the fixture or rear end,
The snap arm is in tong-like, is the open thin-wall construction in side, and the snap arm, which has to this, opens wide the auricle that side extends, institute
It states and torque spring is set between auricle, pin is worn between auricle and torque spring and is fixed,
The fulcrum bearing is in " work " type, and the recess portion of two sides is sufficient to accommodate the auricle and torque spring, constitutes the prominent of the recess portion
Outlet is fixedly connected with the auricle,
The probe includes feeler lever and the probe that connect with the feeler lever, and the external of the feeler lever coats insulating materials, the spy
Head is the gold-plated probe with spring.
2. portable testing terminal as described in claim 1, it is characterised in that: the rear end of the snap arm is equipped with through-hole, institute
Assisted fasteners are stated across the through-hole, the rear end of the snap arm is connected.
3. portable testing terminal as described in claim 1, it is characterised in that: the snap arm includes the connection successively fixed
Column, connector I, connector II and connector III, the connecting column are fixed with the fulcrum bearing, the connector III with it is described absolutely
The connection of edge bayonet part, the longitudinally disposed through-hole in outside of the insulation bayonet part.
4. portable testing terminal as claimed in claim 3, it is characterised in that: the connector II is spring leaf, both ends point
Not with the connector I and III grafting of connector.
5. portable testing terminal as claimed in claim 4, it is characterised in that: the assisted fasteners include U-shaped part and warp
The end of the U-shaped part extends through the extended segment of the through-hole, and the extended segment is vertical with plane where the U-shaped part,
The end of the extended segment has bending part.
6. portable testing terminal as described in claim 1, it is characterised in that: the socket side is connect with the feeler lever,
Another lateral 8 ~ 10 millimeters of fulcrum bearing sunken inside.
Priority Applications (1)
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CN201610181517.4A CN105866476B (en) | 2016-03-28 | 2016-03-28 | Portable testing terminal |
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CN201610181517.4A CN105866476B (en) | 2016-03-28 | 2016-03-28 | Portable testing terminal |
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CN105866476A CN105866476A (en) | 2016-08-17 |
CN105866476B true CN105866476B (en) | 2019-04-26 |
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CN104991092A (en) * | 2015-06-16 | 2015-10-21 | 国网山东昌乐县供电公司 | Secondary protection test terminal row adaptor |
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CN2772073Y (en) * | 2005-01-11 | 2006-04-12 | 南京中德保护控制系统有限公司 | Adapting terminal for convenient test |
CN201233408Y (en) * | 2008-07-15 | 2009-05-06 | 东国伟 | Electric voltage test clamp and electricity stealing on-line searching instrument |
CN202453377U (en) * | 2011-12-07 | 2012-09-26 | 李辉 | Combined type test clip |
CN203101427U (en) * | 2013-02-04 | 2013-07-31 | 天津英利新能源有限公司 | Auxiliary testing tool of junction box |
CN104991092A (en) * | 2015-06-16 | 2015-10-21 | 国网山东昌乐县供电公司 | Secondary protection test terminal row adaptor |
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