CN219935937U - Adaptability test wire clamp - Google Patents
Adaptability test wire clamp Download PDFInfo
- Publication number
- CN219935937U CN219935937U CN202321424016.6U CN202321424016U CN219935937U CN 219935937 U CN219935937 U CN 219935937U CN 202321424016 U CN202321424016 U CN 202321424016U CN 219935937 U CN219935937 U CN 219935937U
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- CN
- China
- Prior art keywords
- jaw
- grab handle
- test wire
- wire clamp
- adaptability test
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- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 abstract description 8
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model discloses an adaptive test line clamp which comprises a body, wherein the body is a common test line clamp, an internal pressure jaw is arranged at the front part of the body, a grab handle is arranged at the rear part of the body, a torsion spring is arranged at the middle part of the body, and external expansion jaws are respectively arranged at the tail ends of the grab handles. According to the utility model, the tail end of the grab handle is provided with the outward-expansion jaw, so that the outward-expansion jaw can be inserted into the moving contact of the switch cabinet circuit breaker, the manner that the outward-expansion jaw supports the moving contact of the switch cabinet circuit breaker from the inside can be utilized, adverse effects on the external spring of the moving contact of the switch cabinet circuit breaker can be avoided, falling off in the clamping process of the wire clamp can be avoided, good contact in the testing process is ensured, the accuracy of the testing result is ensured, the field testing efficiency is improved, and the testing time is saved; the arrangement of the accessory is prolonged, the radian of the opening at the front end is increased, thicker parts can be easily clamped, and the application range of the test wire clamp is enlarged; can be better applied to the test of electrical equipment, and is suitable for wide popularization and application.
Description
Technical Field
The utility model relates to the technical field of electrical test equipment, in particular to an adaptability test wire clamp.
Background
At present, the sawtooth of traditional wire plier is inboard at the front end, holds the rear end and exert force, makes the front end opening through the spring structure, can the centre gripping object. When loop resistance test is carried out on site on the switch cabinet circuit breaker, a wire clamp is required to clamp a moving contact of the switch cabinet circuit breaker. The movable contact of the switch cabinet breaker is a quincuncial contact, the contact is fixed by a spring, if the movable contact is clamped on the spring, the spring cannot carry current, so that the spring is burnt out and equipment is damaged, therefore, in order to avoid damage to the equipment, a general wire clamp is clamped at a gap between contact fingers, but the defect of clamping at the gap is obvious, and firstly, the contact area is small, the stress is unstable and the wire clamp is easy to fall off; secondly, the alarm (no voltage or no current) of the test instrument is caused by poor contact, the position of the wire clamp needs to be readjusted, and the test time is increased; thirdly, the accuracy of a test result is affected by bad contact, so that the existing wire clamp is difficult to meet the clamping requirement of on-site loop resistance test, and on-site working efficiency is seriously affected.
Disclosure of Invention
The utility model aims to provide an adaptive test wire clamp which can enlarge the contact area with a contact, stably clamp, reduce the falling probability and shorten the measurement time.
The utility model is realized by the following technical scheme: the utility model provides an adaptability test wire plier, includes the body, the body is ordinary test wire plier, and the body front portion is interior pressure jaw, and the body rear portion is the grab handle, and the body middle part is the torsional spring, the tail end of grab handle is provided with outer expansion jaw respectively.
The working principle of the technical scheme is that the body has the basic function of a common test wire clamp, namely, the torsional spring in the middle part is compressed by holding the grab handle, so that the internal pressure jaw in the front part of the body is used for internal pressure work test. Because the moving contact of the switch cabinet circuit breaker is provided with a plurality of springs, the clamping is not good, the tail end of the grab handle is provided with the outer expansion jaw, the distance between the outer expansion jaw is reduced by holding the grab handle, then the inner part of the outer expansion jaw is propped to the middle part of the moving contact of the switch cabinet circuit breaker, the clamping of the moving contact of the switch cabinet circuit breaker is realized, the influence on the springs arranged on the moving contact of the switch cabinet circuit breaker can be avoided, and meanwhile, the normal test of the switch cabinet circuit breaker can be carried out.
In order to better realize the utility model, the outward expansion jaw is hinged with the tail end of the grab handle by using the rotating block as a shaft, and the outward expansion jaw can be screwed into the inner side of the grab handle.
In order to better realize the utility model, the rotating block is further provided with a fixed knob which can fix the rotating angle of the flaring jaw and the grab handle.
In order to better realize the utility model, the inner side of the grab handle is further provided with a groove for screwing the flaring jaw.
In order to better realize the utility model, the outer side of the flaring jaw is further provided with a sawtooth opening.
In order to better realize the utility model, further, the middle part of the body is symmetrically provided with wiring blocks, and the wiring blocks are respectively provided with wiring holes.
To better implement the utility model, it further comprises an extension appendage which can be detachably connected to the free end of the internal pressure jaw.
In order to better realize the utility model, further, one end of the extension accessory is provided with a groove, the other end of the extension accessory is provided with saw teeth, and the end of the extension accessory with the groove is nested outside the inner pressure jaw and is fixed with the inner pressure jaw through a screw.
In order to better realize the utility model, the outer layer of the grab handle is further coated with an insulating layer.
Compared with the prior art, the utility model has the following advantages:
(1) According to the utility model, the tail end of the grab handle is provided with the outward-expansion jaw, so that the outward-expansion jaw can be inserted into the moving contact of the switch cabinet breaker, and the outward-expansion jaw is utilized to support the moving contact of the switch cabinet breaker from the inside, so that adverse effects on the external spring of the moving contact of the switch cabinet breaker can be avoided;
(2) According to the utility model, the tail end of the grip handle is provided with the external expansion jaw, the external expansion jaw is used for clamping the moving contact of the switch cabinet breaker, so that the moving contact of the switch cabinet breaker is stably and firmly clamped, falling off in the clamping process of the wire clamp can be avoided, good contact in the testing process is ensured, the accuracy of a testing result is ensured, the on-site testing efficiency is improved, and the testing time is saved;
(3) According to the utility model, the extension accessory is added at the inner pressure jaw at the front part, so that the radian of the opening at the front end is increased, thicker parts can be easily clamped, and the application range of the test wire clamp is enlarged;
(4) When the clamping cannot be performed from the outside of the equipment and the internal space is larger, the external expansion jaw can be used for clamping very stably and firmly, the falling probability is small, and the clamping range of the internal pressure jaw can be selectively enlarged, so that the external expansion jaw can be better applied to the test of the electrical equipment, and is suitable for wide popularization and application.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a front view of the present utility model;
fig. 2 is a side view of the present utility model.
Wherein: 1-body, 2-internal pressure jaw, 3-grab handle, 4-external expansion jaw, 5-rotating block, 6-fixed knob, 7-wiring block, 8-extension accessory and 9-torsion spring.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; or may be directly connected, or may be indirectly connected through an intermediate medium, or may be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1:
the main structure of this embodiment, as shown in fig. 1 and 2, includes a body 1, the body 1 is a common test wire clamp, the front part of the body 1 is an internal pressure jaw 2, the rear part of the body 1 is a grab handle 3, the middle part of the body 1 is a torsion spring 9, and the tail ends of the grab handles 3 are respectively provided with an external expansion jaw 4.
In the specific embodiment, the body 1 is a common test wire clamp, and has the basic function of the common test wire clamp, namely, the object is clamped by the front internal pressure jaw 2 through pressing the grab handle 3 at the rear part and the torsion spring 9 at the middle part. When the movable contact of the switch cabinet circuit breaker is difficult to clamp, the distance between the outer expansion jaws 4 at the tail end of the grab handle can be reduced by pressing the grab handle 3, then the outer expansion jaws 4 are embedded and inserted into the middle of the movable contact of the switch cabinet circuit breaker, then the grab handle 3 is loosened, the torsion of the torsion spring 9 is utilized, the outer expansion jaws 4 can be stably supported inside the movable contact of the switch cabinet circuit breaker, and the movable contact of the switch cabinet circuit breaker is clamped, so that the follow-up test and test process is completed.
Example 2:
the present embodiment further defines a connection manner between the flaring jaw 4 and the grab handle 3 on the basis of the above embodiment, as shown in fig. 1, the flaring jaw 4 is hinged with the tail end of the grab handle 3 by the rotating block 5, and the flaring jaw 4 can be screwed into the inner side of the grab handle 3 by taking the rotating block 5 as a shaft. Considering that the test wire clamp requires small weight and flexible operation, the outer expansion jaw 4 of the test wire clamp is added with the rotating block 5 to rotate, when the test wire clamp is used, the outer expansion jaw 4 arranged at the inner side of the grab handle 3 rotates out, and when the test wire clamp is not used, the outer expansion jaw 4 can be stored at the inner side of the grab handle 3, so that the operation is convenient and flexible. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 3:
the present embodiment further defines a connection manner between the flaring jaw 4 and the grab handle 3 on the basis of the above embodiment, as shown in fig. 2, the rotating block 5 is further provided with a fixing knob 6, and the fixing knob 6 can fix a rotation angle between the flaring jaw 4 and the grab handle 3. Because the outer expansion jaw 4 can rotate at the tail end of the grab handle 3 through the rotating block 5, when the movable contact of the switch cabinet breaker is required to be clamped, the outer expansion jaw 4 and the grab handle 3 are prevented from rotating to affect normal clamping operation, and the fixed knob 6 is additionally arranged, so that the rotating angle of the outer expansion jaw 4 and the grab handle 3 can be fixed by the fixed knob 6, and the outer expansion jaw 4 does not rotate when the clamping operation is performed. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 4:
the connection mode of the flaring jaw 4 and the grab handle 3 is further limited on the basis of the embodiment, and a groove for screwing in the flaring jaw 4 is formed in the inner side of the grab handle 3. The groove for accommodating the flaring jaw 4 is formed in the inner side of the grab handle 3, so that the flaring jaw 4 can be hidden in the groove when being screwed into the grab handle 3, and the common function of the test line clamp is not affected. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 5:
the present embodiment further defines the structure of the flaring jaw 4 on the basis of the above embodiment, as shown in fig. 1, the outer side of the flaring jaw 4 is also provided with a saw tooth opening. The arrangement of the saw tooth opening on the outer expansion jaw 4 is used for better completing the inner support of the outer expansion jaw 4 inside the moving contact of the switch cabinet breaker and better clamping and fixing. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 6:
the structure of the body 1 is further defined on the basis of the above embodiment in this embodiment, as shown in fig. 1 and fig. 2, the middle part of the body 1 is further symmetrically provided with a wiring block 7, and the wiring blocks 7 are all provided with wiring holes. The wiring block 7 is generally in an integral structure with the body 1 and is used for connecting an external test cable in a test process, and the wiring holes in the wiring block 7 are also used for conveniently and better completing the fixation and installation of the external test cable. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 7:
this embodiment further comprises an extension attachment 8 on the basis of the above embodiment, as shown in fig. 1 and 2, and further comprises an extension attachment 8, wherein the extension attachment 8 can be detachably connected to the free end of the inner pressure jaw 2. In order to increase the opening of the internal pressure jaw 2 in the normal mode, the front end of the internal pressure jaw 2 is designed to be a flat opening, and a connecting screw hole is reserved, when the clamping of the multi-layer copper bar is needed, a section of extension accessory 8 is added at the front part, so that the opening size of the internal pressure jaw 2 can be increased, and the thicker part of the equipment can be realized. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 8:
the structure of the extension attachment 8 is further defined on the basis of the above embodiment, as shown in fig. 1, one end of the extension attachment 8 is provided with a groove, one end is provided with saw teeth, and one end of the extension attachment 8 with the groove is nested outside the inner pressure jaw 2 and fixed with the inner pressure jaw 2 through a screw. The extension accessory 8 is embedded in the front part of the inner pressure jaw 2, so that the opening size of the inner pressure jaw 2 can be increased, and the saw teeth are arranged in the extension accessory, so that the inner pressure jaw can be clamped more stably. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 9:
the structure of the grab handle 3 is further limited on the basis of the embodiment, and the outer layer of the grab handle 3 is further coated with an insulating layer. The insulating layer is arranged outside the grab handle 3, so that operators can be prevented from carelessly touching the contact in the test process, and the safety of the test wire clamp is improved. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
It will be appreciated that the working principle and working procedure of the adaptive test wire clamp structure according to one embodiment of the present utility model, such as the fixing knob 6 and the junction block 7, are well known to those skilled in the art, and will not be described in detail herein.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides an adaptability test wire plier, its characterized in that, includes body (1), body (1) are ordinary test wire plier, and body (1) front portion is interior pressure jaw (2), and body (1) rear portion is grab handle (3), and body (1) middle part is torsional spring (9), the tail end of grab handle (3) is provided with respectively and expands jaw (4).
2. The adaptability test wire plier according to claim 1, characterized in that the flaring jaw (4) is hinged with the tail end of the rotary block (5) and the grab handle (3), and the flaring jaw (4) can be screwed into the inner side of the grab handle (3) by taking the rotary block (5) as an axis.
3. An adaptability test wire clamp according to claim 2, characterized in that the rotating block (5) is further provided with a fixing knob (6), and the fixing knob (6) can fix the rotation angle of the flaring jaw (4) and the grab handle (3).
4. A pair of adaptability test wire pliers according to claim 3, characterized in that the inner side of the grab handle (3) is provided with a groove into which the flaring jaw (4) is screwed.
5. An adaptability test wire clamp according to claim 4, characterized in that the outer side of the flaring jaw (4) is also provided with a serration.
6. The adaptability test wire clamp according to any one of claims 1-5, characterized in that the middle part of the body (1) is also symmetrically provided with a wire connecting block (7), and wire connecting holes are formed in the wire connecting blocks (7).
7. An adaptability test wire clamp according to any one of claims 1-5, characterized in that it further comprises an extension attachment (8), said extension attachment (8) being detachably connectable to the free end of the inner jaw (2).
8. An adaptability test wire clamp according to claim 7, characterized in that the extension attachment (8) is provided with grooves at one end and serrations at one end, and the end of the extension attachment (8) with grooves is nested outside the inner jaw (2) and fixed to the inner jaw (2) by screws.
9. The adaptability test wire clamp according to any one of claims 1-5, characterized in that the outer layer of the grip (3) is further coated with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321424016.6U CN219935937U (en) | 2023-06-06 | 2023-06-06 | Adaptability test wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321424016.6U CN219935937U (en) | 2023-06-06 | 2023-06-06 | Adaptability test wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219935937U true CN219935937U (en) | 2023-10-31 |
Family
ID=88501569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321424016.6U Active CN219935937U (en) | 2023-06-06 | 2023-06-06 | Adaptability test wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219935937U (en) |
-
2023
- 2023-06-06 CN CN202321424016.6U patent/CN219935937U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |