CN208045756U - Sharp mouth crocodile clip - Google Patents
Sharp mouth crocodile clip Download PDFInfo
- Publication number
- CN208045756U CN208045756U CN201820604855.9U CN201820604855U CN208045756U CN 208045756 U CN208045756 U CN 208045756U CN 201820604855 U CN201820604855 U CN 201820604855U CN 208045756 U CN208045756 U CN 208045756U
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- China
- Prior art keywords
- mounting hole
- thimble
- crocodile clip
- intermediate plate
- point mouth
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Abstract
The utility model is related to lightning arrester live-line test engineering device technique field more particularly to a kind of sharp mouth crocodile clips.Above-mentioned point mouth crocodile clip includes collet and conductive thimble；Wherein, the conductive thimble of resilientiy stretchable is fixed on the top of one of collet intermediate plate, the conduction thimble is extended along the length direction of the intermediate plate, and the top of the intermediate plate is protruded from the top of the conductive thimble, and the conduction thimble is resilientiy stretchable structure.Point mouth crocodile clip provided by the utility model being capable of the active force that is generated for the metal live part in voltage transformer jack of balanced conducting top, it ensure that coming into full contact with for conducting wire thimble and the metal live part in voltage transformer jack, simultaneously, it is excessive to secondary terminals row and secondary the case where being spaced apart also to alleviate application of force, reduce the number of repetitive operation, it improves work efficiency, reduces the probability for generating power grid risk.
Description
Technical field
The utility model is related to lightning arrester live-line test engineering device technique field more particularly to a kind of sharp mouth crocodile clips.
Background technology
Lightning arrester live-line test is important one of the live testing project of high-potting profession, when test, the sharp mouth of metal
The collet tip portion of crocodile clip collet is spaced apart exposed in jack or secondary terminals socket hole with voltage transformer secondary terminal box
Metal live part be in contact, to obtain the secondary voltage of voltage transformer as the voltage reference signal of test.
Wherein, the secondary jack of voltage transformer is relatively deep, bore is smaller, and existing point mouth crocodile clip is difficult in clamping receptacles
Metal live part (when firmly small, sharp mouth crocodile clip collet and metal live part will appear the case where not reaching；
When firmly excessive, secondary terminals can be arranged and it is secondary be spaced apart generate certain stress damage), in addition, as secondary terminals row or
When being spaced apart by certain mechanical oscillation, sharp mouth crocodile clip collet is easy and terminal block or secondary is spaced apart poor contact, directly disconnected
Open connection or phase fault；Therefore, existing sharp mouth crocodile clip, which often will appear, takes less than voltage reference signal or leads to voltage
Mutual inductor secondary the problems such as being spaced apart tripping, repetitive operation is needed, and repetitive operation can seriously affect the working efficiency of test, operation
The improper safety that can also influence test, generates serious power grid risk.
To sum up, how to overcome the drawbacks described above of existing sharp mouth crocodile clip is those skilled in the art's technology urgently to be resolved hurrily
Problem.
Utility model content
The purpose of this utility model is to provide a kind of sharp mouth crocodile clips, are deposited with alleviating sharp mouth crocodile clip in the prior art
The metal that is difficult in chucking voltage mutual inductor jack charge partial technical problems.
Point mouth crocodile clip provided by the utility model, including collet and conductive thimble.
Wherein, the conductive thimble of resilientiy stretchable is fixed on the top of one of collet intermediate plate, described
Conductive thimble is extended along the length direction of the intermediate plate, and the top of the intermediate plate is protruded from the top of the conductive thimble
Portion, the conduction thimble is resilientiy stretchable structure.
Preferably, as a kind of embodiment, the length direction offered at the top of the intermediate plate along the intermediate plate prolongs
The first mounting hole stretched, the conduction thimble are embedded in first mounting hole.
Preferably, as a kind of embodiment, first mounting hole is blind hole.
Preferably, as a kind of embodiment, the bottom of the conduction thimble and the bottom hole of first mounting hole are supported
It connects.
Preferably, as a kind of embodiment, the conduction thimble includes fixing piece, movable part and elastic structure,
Offer the second mounting hole at the top of the fixing piece, the bottom of the movable part be located in second mounting hole and with it is described
Second mounting hole is slidably matched, and the elastic structure is located in second mounting hole, and the elastic structure respectively with
The bottom hole of second mounting hole is connected with the bottom of the movable part.
The fixing piece is embedded in first mounting hole and is fixedly connected with the intermediate plate, the top of the movable part
It is stretched out by the top of first mounting hole.
Preferably, as a kind of embodiment, the elastic structure is spring.
Preferably, it is fixed as a kind of embodiment, the top of the fixing piece and the top of first mounting hole
Connection.
Preferably, as a kind of embodiment, the movable part includes interconnecting piece and test department, the interconnecting piece and institute
It is cylindrical-shaped structure to state test department, and second mounting hole is circular hole；The both ends of the interconnecting piece respectively with the fixing piece
It is connected with the test department, the interconnecting piece is slidably matched with second mounting hole.
Preferably, as a kind of embodiment, the basal diameter of the interconnecting piece is straight more than the bottom surface of the test department
Diameter, the center overlapping of axles of the interconnecting piece and the test department.
Preferably, as a kind of embodiment, the surface that second mounting hole is contacted with the interconnecting piece is smooth
Cylindrical surface.
Compared with prior art, the utility model has the advantage of：
Point mouth crocodile clip provided by the utility model includes collet and conductive thimble, wherein conductive thimble is fixed on folder
The top of one of head intermediate plate, conductive thimble are extended along the length direction of intermediate plate, meanwhile, by the top of conductive thimble
The top setting for protruding from intermediate plate, because conductive thimble can be conductive, therefore conductive thimble can be by the gold in voltage transformer jack
The voltage for belonging to live part is transferred to collet, increases the effective depth for picking up voltage, may make conductive thimble and mutual induction of voltage
Metal live part in device jack more fully can be contacted effectively.
In addition, setting conductive thimble to resilientiy stretchable structure so that conducting top is in voltage transformer jack
The active force that metal live part generates controls in reasonable range, prevents because firmly excessive to secondary terminals row and secondary sky
Open generation stress damage；Meanwhile when by external force such as mechanical oscillation, conductive thimble can be according to external force direction and size, automatically
Elongate or shorten, ensure with voltage transformer jack in metal live part it is abundant effectively contact while, moreover it is possible to will be electric
The active force that metal live part in pressure mutual inductor jack is subject to maintains in reasonable range, alleviates in mechanical oscillation etc.
Under outer force effect, tip crocodile clip is easy and terminal block or secondary be spaced apart poor contact, directly disconnect or phase fault
Situation.
It will be apparent that point mouth crocodile clip provided by the utility model, can balanced conducting top in voltage transformer jack
The active force that generates of metal live part, ensure that filling for conducting wire thimble and the metal live part in voltage transformer jack
Tap is touched, meanwhile, also alleviation application of force is excessive to secondary terminals row and secondary the case where being spaced apart, and reduces time of repetitive operation
Number, improves work efficiency, and reduces the probability for generating power grid risk.
Description of the drawings
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 implementation mode 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, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the sharp mouth crocodile clip that the utility model embodiment provides；
Fig. 2 is the partial cross structural representation that the sharp mouth crocodile clip that the utility model embodiment provides does not install conductive thimble
Figure；
Fig. 3 is the structural schematic diagram for the conductive thimble that the utility model embodiment provides；
Fig. 4 is that the conducting wire thimble that the utility model embodiment provides shows in-built structural schematic diagram.
Icon：1- collets；11- intermediate plates；The first mounting holes of 12-；2- conduction thimbles；21- fixing pieces；211- second
Mounting hole；22- movable parts；221- interconnecting pieces；222- test departments；23- springs.
Specific implementation mode
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
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that the fingers such as term "center", "top", "bottom", "inner", "outside"
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration
And operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are used for description purposes only,
It is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment one
Referring to Fig. 1, the present embodiment one provides a kind of sharp mouth crocodile clip, including collet 1 and conductive thimble 2；
Wherein, the conductive thimble 2 of resilientiy stretchable is fixed on the top of one of the collet 1 intermediate plate 11,
The conduction thimble 2 is extended along the length direction of the intermediate plate 11, and the top of the conductive thimble 2 protrudes from the folder
The top of piece 11, the conduction thimble 2 is resilientiy stretchable structure.
Known to the advantageous effect for analyzing above structure：Because conductive thimble 2 can be conductive, therefore conductive thimble 2 can be by voltage
The voltage of metal live part in mutual inductor jack is transferred to collet 1, increases the effective depth for picking up voltage, may make and lead
Electric thimble 2 more fully can be contacted effectively with the metal live part in voltage transformer jack.
In addition, setting conductive thimble 2 to resilientiy stretchable structure so that conductive thimble 2 is in voltage transformer jack
Metal live part generate active force control in reasonable range, prevent because firmly it is excessive to secondary terminals arrange and it is secondary
It is spaced apart generation stress damage；Meanwhile when by external force such as mechanical oscillation, conductive thimble 2 can be according to external force direction and size, certainly
It is dynamic to elongate or shorten, while ensureing effectively to contact with the metal live part in voltage transformer jack abundant, moreover it is possible to will
The active force that metal live part in voltage transformer jack is subject to maintains in reasonable range, alleviates in mechanical oscillation
Deng under outer force effect, tip crocodile clip is easy and terminal block or secondary be spaced apart poor contact, directly disconnect or phase fault
The case where.
It will be apparent that the sharp mouth crocodile clip that the present embodiment one provides, can balanced conductive thimble 2 in voltage transformer jack
The active force that generates of metal live part, ensure that filling for conducting wire thimble and the metal live part in voltage transformer jack
Tap is touched, meanwhile, also alleviation application of force is excessive to secondary terminals row and secondary the case where being spaced apart, and reduces time of repetitive operation
Number, improves work efficiency, and reduces the probability for generating power grid risk.
Embodiment two
Referring to Fig. 1, the present embodiment two provides a kind of sharp mouth crocodile clip, while also using the point in above-described embodiment one
The technical pattern relationship of mouth crocodile clip；Such as：The present embodiment two provides a kind of sharp mouth crocodile clip, including collet 1 and conducting top
Needle 2；Wherein, the conductive thimble 2 of resilientiy stretchable is fixed on the top of 1 one of intermediate plate 11 of the collet, described to lead
Electric thimble 2 is extended along the length direction of the intermediate plate 11, and the top of the conductive thimble 2 protrudes from the intermediate plate 11
Top, the conduction thimble 2 is resilientiy stretchable structure.
The sharp mouth crocodile clip that the present embodiment two provides is identical as the sharp primary structure of mouth crocodile clip in embodiment one；
But the sharp mouth crocodile clip that the present embodiment two provides has further related to specific structure design, has more tools to concrete structure
Body design feature；Such as：Some technical characteristics are increased, and the concrete structure of collet 1 and conductive thimble 2 has been carried out further
Restriction.
The concrete structure and technique effect of technical solution in relation to the present embodiment two are as follows：
In concrete structure, referring to Fig. 2, the first installation of the length direction extension along intermediate plate 11 is opened up at the top of intermediate plate 11
Conductive thimble 2 is embedded into the first mounting hole 12, strengthens the connection between conductive thimble 2 and intermediate plate 11 by hole 12 so that knot
Structure stability is stronger.
Preferably, the first mounting hole 12 is set to blind hole, to reduce influence of first mounting hole 12 to 11 structure of intermediate plate.
Further, the bottom of conductive thimble 2 is abutted with the bottom hole of the first mounting hole 12, so that conductive thimble 2 exists
By when external force with will not fall off from the junction of the first mounting hole 12.
Include fixing piece 21 and movable part 22, fixing piece 21 in the concrete structure of conductive thimble 2 referring to Fig. 3 and Fig. 4
It is embedded in the first mounting hole 12 and is fixedly connected with intermediate plate 11, the conductive thimble 2 of realization is fixedly connected with intermediate plate 11, movable part
22 top is stretched out by the top of the first mounting hole 12, to protrude from the first mounting hole 12；Is opened up at the top of fixing piece 21
The bottom of movable part 22 is put into the second mounting hole 211 by two mounting holes 211, in the hole of movable part 22 and the second mounting hole 211
Elastic structure is set between bottom, and the bottom of movable part 22 and the second mounting hole 211 are slidably matched, in this way, movable part 22
It can contract, be realized between movable part 22 and fixing piece 21 in or the second mounting hole 211 protruding from the second mounting hole 211
Elastic connection, and conductive thimble 2 realizes telescopic characteristic, novelty simple in structure.
Preferably, elastic structure can be set to spring 23, the structural stability of spring 23 is strong, and convenient for purchase or criticizes
Amount production.
Further, the top of fixing piece 21 is fixedly connected with the top of the first mounting hole 12, to prevent movable part 22
When opposed fixed member 21 slides, pair the first mounting hole 12 generates abrasion.
Particularly, movable part 22 can be divided to for 222 two parts of interconnecting piece 221 and test department, and by interconnecting piece 221 and surveyed
Examination portion 222 is disposed as cylindrical-shaped structure, and the both ends of connector are connect with fixing piece 21 and test department 222 respectively, and will be even
Fitting is slidably matched with the second mounting hole 211, in order to enable the second mounting hole 211 can adapt to connector, by the second mounting hole
211 are set as circular hole, so that connector is more smooth when being slided with respect to the second mounting hole 211.
Preferably, the basal diameter of interconnecting piece 221 is set greater than to the basal diameter of test department 222, and by interconnecting piece
221 are arranged with the center overlapping of axles of test department 222 so that test department 222 can the second mounting hole of retraction 211, prevent from testing
Portion 222 and the hole top of the second mounting hole 211 collide.
Preferably, the surface that the second mounting hole 211 is contacted with interconnecting piece 221 is set to smooth, cylindrical peripheral surface, to reduce
Frictional force between two mounting holes 211 and interconnecting piece 221, prolongs the service life.
In conclusion the utility model embodiment discloses a kind of sharp mouth crocodile clip, which overcome traditional sharp mouth crocodiles
Many technological deficiencies of folder.The sharp mouth crocodile clip that the utility model embodiment provides, can balanced conductive thimble 2 to mutual induction of voltage
The active force that metal live part in device jack generates ensure that conducting wire thimble is charged with the metal in voltage transformer jack
Partial comes into full contact with, meanwhile, also alleviation application of force is excessive to secondary terminals row and secondary the case where being spaced apart, and reduces repetition behaviour
The number of work, improves work efficiency, and reduces the probability for generating power grid risk.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of point mouth crocodile clip, which is characterized in that including collet and conductive thimble；
Wherein, the conductive thimble of resilientiy stretchable is fixed on the top of one of collet intermediate plate, the conduction
Thimble is extended along the length direction of the intermediate plate, and the top of the intermediate plate, institute are protruded from the top of the conductive thimble
It is resilientiy stretchable structure to state conductive thimble.
2. point mouth crocodile clip according to claim 1, which is characterized in that offered at the top of the intermediate plate along the intermediate plate
Length direction extend the first mounting hole, it is described conduction thimble be embedded in first mounting hole.
3. point mouth crocodile clip according to claim 2, which is characterized in that first mounting hole is blind hole.
4. point mouth crocodile clip according to claim 3, which is characterized in that pacify with described first the bottom of the conduction thimble
The bottom hole for filling hole abuts.
5. according to claim 2-4 any one of them point mouth crocodile clips, which is characterized in that the conduction thimble includes fixing
Part, movable part and elastic structure offer the second mounting hole at the top of the fixing piece, and the bottom of the movable part is located at institute
It states in the second mounting hole and is slidably matched with second mounting hole, the elastic structure is located in second mounting hole,
And the elastic structure is connect with the bottom of the bottom hole of second mounting hole and the movable part respectively；
The fixing piece is embedded in first mounting hole and is fixedly connected with the intermediate plate, and the top of the movable part is by institute
The top for stating the first mounting hole is stretched out.
6. point mouth crocodile clip according to claim 5, which is characterized in that the elastic structure is spring.
7. point mouth crocodile clip according to claim 5, which is characterized in that installed with described first on the top of the fixing piece
The top in hole is fixedly connected.
8. point mouth crocodile clip according to claim 5, which is characterized in that the movable part includes interconnecting piece and test department,
The interconnecting piece and the test department are cylindrical-shaped structure, and second mounting hole is circular hole；The both ends of the interconnecting piece point
It is not connect with the fixing piece and the test department, the interconnecting piece is slidably matched with second mounting hole.
9. point mouth crocodile clip according to claim 8, which is characterized in that the basal diameter of the interconnecting piece is more than the survey
The basal diameter in examination portion, the center overlapping of axles of the interconnecting piece and the test department.
10. point mouth crocodile clip according to claim 8, which is characterized in that second mounting hole connects with the interconnecting piece
Tactile surface is smooth, cylindrical peripheral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604855.9U CN208045756U (en) | 2018-04-25 | 2018-04-25 | Sharp mouth crocodile clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604855.9U CN208045756U (en) | 2018-04-25 | 2018-04-25 | Sharp mouth crocodile clip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208045756U true CN208045756U (en) | 2018-11-02 |
Family
ID=63928046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820604855.9U Active CN208045756U (en) | 2018-04-25 | 2018-04-25 | Sharp mouth crocodile clip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208045756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470896A (en) * | 2019-07-31 | 2019-11-19 | 张红宾 | A kind of hand-held flexible sensor device that can show electrification |
-
2018
- 2018-04-25 CN CN201820604855.9U patent/CN208045756U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470896A (en) * | 2019-07-31 | 2019-11-19 | 张红宾 | A kind of hand-held flexible sensor device that can show electrification |
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