CN213275741U - Antirust clamp type ammeter - Google Patents
Antirust clamp type ammeter Download PDFInfo
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- CN213275741U CN213275741U CN202022066317.9U CN202022066317U CN213275741U CN 213275741 U CN213275741 U CN 213275741U CN 202022066317 U CN202022066317 U CN 202022066317U CN 213275741 U CN213275741 U CN 213275741U
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Abstract
The utility model relates to an antirust clamp type ammeter relates to the field of ammeter, and it includes ammeter body, first binding clip and second binding clip symmetry rotate to set up on the ammeter body, and the one end of ammeter body is kept away from to first binding clip and second binding clip contradicts the setting each other, its characterized in that: the first tong head comprises a first outer shell and a first core block, the first outer shell is sleeved on the first core block, the second tong head comprises a second outer shell and a second core block, and the second outer shell is sleeved on the second core block; the second outer shell is movably arranged in the first outer shell in a penetrating mode, a sealing block is arranged at one end, far away from the ammeter body, of the first outer shell, the sealing block is arranged on the side wall, close to the first iron core block, of the first outer shell, and the sealing block and the second outer shell are mutually abutted. The present application has the potential effect of reducing the occurrence of corrosion of the conductive sheet.
Description
Technical Field
The application relates to the field of ampere meters, in particular to an antirust clamp type ampere meter.
Background
A current clamp meter is a type of current meter used to measure the value of current in a circuit. In electrical and electronic engineering, a clamp ammeter is provided with a first clamp head and a second clamp head which can be opened, a measured lead passes through a measuring area enclosed by the first clamp head and the second clamp head, and a probe does not need to be in contact with a conductive part of equipment, namely, the lead of the equipment does not need to be disconnected for probe insertion, so that the property of current on a conductor is measured.
When the first tong head and the second tong head are jointed, the first iron core block and the second iron core block are contacted with each other, and the first tong head and the second tong head form a passage, so that current detection is performed.
In view of the above-mentioned related art, the inventor believes that the first core block and the second core block of the clamp ammeter are rusted due to contact with moisture during the placing process, so that the first core block and the second core block are in poor contact, thereby affecting the measurement result.
SUMMERY OF THE UTILITY MODEL
In order to reduce the possibility of rusting of the first iron core block and the second iron core block, the application provides an antirust clamp type ammeter.
The application provides an antirust clamp type ammeter adopts following technical scheme:
the utility model provides an antirust clamp type ammeter, includes ammeter body, first binding clip and second binding clip symmetry are rotated and are set up on the ammeter body, and the one end of ammeter body is kept away from to first binding clip and second binding clip contradicts each other and sets up its characterized in that: the first tong head comprises a first outer shell and a first core block, the first outer shell is sleeved on the first core block, the second tong head comprises a second outer shell and a second core block, and the second outer shell is sleeved on the second core block; the second outer shell is movably arranged in the first outer shell in a penetrating mode, a sealing block is arranged at one end, far away from the ammeter body, of the first outer shell, the sealing block is arranged on the side wall, close to the first iron core block, of the first outer shell, and the sealing block and the second outer shell are mutually abutted.
By adopting the technical scheme, in actual use, the first tong head and the second tong head are separated from each other, and the measured lead is placed in an annular measuring interval surrounded by the first tong head and the second tong head, so that measurement is performed. When the first binding clip and the second binding clip are combined, the first iron core block and the second iron core block are contacted with each other, the second outer shell is embedded into the first outer shell, the sealing block on the first outer shell is mutually contradicted with the second outer shell, the contact tightness of the first outer shell and the second outer shell is improved, the situation that external water vapor enters the first iron core block and the second iron core block to cause corrosion is reduced, the contact stability of the first iron core block and the second iron core block is favorably improved, and the measurement accuracy is ensured.
Preferably, a pressing rotary table is rotatably arranged on the side wall, close to the first iron core block, of the first outer shell, a guide inclined plane is arranged at one end, far away from the second iron core block, of the pressing rotary table, and the sealing block is arranged at one end, close to the second iron core block, of the pressing rotary table.
By adopting the technical scheme, in actual use, when the first tong head and the second tong head are mutually abutted, the second outer shell is mutually contacted with the guide inclined surface on the pressing rotary table and extrudes the guide inclined surface. The guide inclined plane rotates towards the direction far away from the second outer shell after being extruded, meanwhile, the sealing block on the pressing rotary table rotates towards the direction close to the second shell, and the sealing block and the second outer shell are mutually abutted. Under the effect of first binding clip and second binding clip self combination restoring force, make sealed piece remain throughout to the effect that compresses tightly of second shell body, and then be favorable to improving the sealed effect of first shell body and second shell body.
Preferably, a sealing inclined block is arranged on the side wall of the second outer shell body close to the first outer shell body.
Through adopting above-mentioned technical scheme, in the in-service use, sealed piece contradicts each other with sealed sloping block on the second casing, and under the effect of first binding clip and second binding clip self binding power, is favorable to reducing the clearance of sealed piece and second casing to the leakproofness of first casing and second casing has been improved.
Preferably, the pressing turntable may be provided in plurality.
Through adopting above-mentioned technical scheme, in the in-service use, a plurality of revolving stages that compress tightly make a plurality of faces of second shell body and the contact of first shell body all have better leakproofness to first shell body and the holistic sealed effect of second shell body have been improved.
Preferably, a torsional elastic part is arranged at the joint of the compressing turntable and the first outer shell, and two ends of the torsional elastic part are respectively connected with the compressing turntable and the first outer shell.
Through adopting above-mentioned technical scheme, in the in-service use, under the effect of torsion elastic component elastic recovery power, sealed piece removes along the direction of keeping away from the second shell body to the in-process that makes the first shell body of second shell body embedding can not blockked by sealed piece, has improved the whole application of clamp-on ammeter.
Preferably, a dovetail groove is formed in the side wall, close to the sealing block, of the pressing rotary table, and a dovetail block correspondingly clamped with the dovetail groove is arranged at one end, close to the pressing rotary table, of the sealing block.
Through adopting above-mentioned technical scheme, in the in-service use, sealed piece can be dismantled with compressing tightly the revolving stage through dovetail and forked tail piece and be connected to be convenient for change the sealed piece of damage, thereby guaranteed the holistic leakproofness of first binding clip and second binding clip.
Preferably, an installation groove is formed in the first outer shell at the installation position of the pressing rotary table, and the pressing rotary table is rotatably arranged in the installation groove.
Through adopting above-mentioned technical scheme, in the in-service use, compress tightly the revolving stage and rotate and set up in the mounting groove, reduced the installation space who compresses tightly the revolving stage to be favorable to reducing the holistic thickness of first shell body.
Preferably, the two ends of the compression turntable, which are close to the sealing block and the guide inclined plane, are provided with arc bulges, and the arc bulges are in sliding abutting contact with the side walls of the mounting grooves.
Through adopting above-mentioned technical scheme, when compressing tightly the revolving stage and rotate with first shell body, the notch homoenergetic of circular arc arch and mounting groove is contradicted to compressed tightly the revolving stage when rotating with first shell body leakproofness has been improved.
In summary, the present application includes at least one of the following beneficial technical effects:
in practical use, the first tong head and the second tong head are separated from each other, and the measured lead is placed in an annular measuring interval surrounded by the first tong head and the second tong head, so that measurement is performed. When the first tong head and the second tong head are combined, the first iron core block and the second iron core block are contacted with each other, the second outer shell is embedded into the first outer shell, and the sealing block on the first outer shell is mutually abutted with the second outer shell, so that the contact tightness of the first outer shell and the second outer shell is improved, the situation that external water vapor enters the first iron core block and the second iron core block to cause corrosion is reduced, the contact stability of the first iron core block and the second iron core block is favorably improved, and the measurement accuracy is ensured;
in practical use, when the first tong head and the second tong head are abutted against each other, the second outer shell is in contact with the guide inclined surface on the pressing rotary table and extrudes the guide inclined surface. The guide inclined plane rotates towards the direction far away from the second outer shell after being extruded, meanwhile, the sealing block on the pressing rotary table rotates towards the direction close to the second shell, and the sealing block and the second outer shell are mutually abutted. Under the action of the self combination restoring force of the first tong head and the second tong head, the sealing block always keeps the pressing effect on the second outer shell, so that the sealing effect of the first outer shell and the second outer shell is improved;
in practical use, under the effect of the elastic restoring force of the torsional elastic piece, the sealing block moves along the direction away from the second outer shell, so that the second outer shell is not blocked by the sealing block in the process of being embedded into the first outer shell, and the overall applicability of the clamp-type ammeter is improved.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an anti-rust clamp-type ammeter according to an embodiment of the present disclosure;
FIG. 2 is a cross-sectional view of an anti-rust clamp ammeter according to an embodiment of the present application;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Description of reference numerals: 1. an ammeter body; 2. a first binding clip; 3. a second binding clip; 4. sealing the inclined block; sealing 5, a first core block; 6. a first outer case; 7. a clamping groove; 8. a second core block; 9. a second outer housing; 10. mounting grooves; 11. a rotating shaft; 12. compressing the rotary table; 13. a guide slope; 14. a sealing block; 15. a dovetail groove; 16. a dovetail block; 17. a circular arc bulge; 18. a torsional elastic member.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses an antirust clamp type ammeter. Referring to fig. 1 and 2, the rust-proof clamp type ammeter comprises an ammeter body 1, wherein a first clamp head 2 and a second clamp head 3 are rotatably arranged at one end of the ammeter body 1, and the first clamp head 2 and the second clamp head 3 are symmetrically arranged at one end of the ammeter body 1. When measuring electric current, open first binding clip 2 and second binding clip 3 earlier, conflict each other after first binding clip 2 and the second binding clip 3 passed the surveyed electric wire, and the surveyed electric wire is worn to establish in the annular region that is formed by first binding clip 2 and second binding clip 3 and ampere meter body 1 to the electric current in the circuit that is surveyed is measured.
First binding clip 2 includes first iron core block 5 and wraps up the first shell body 6 on first iron core block 5, and the cross-section that ammeter body 1 one end was kept away from to first shell body 6 is the rectangle, offers the joint groove 7 of returning the font at the one end that ammeter was kept away from to first shell body 6, and the one end setting of keeping away from ammeter body 1 of first iron core block 5 is in joint groove 7. The second jaw 3 includes a second core block 8 and a second outer shell 9 wrapped around the second core block 8. When the first binding clip 2 and the second binding clip 3 are mutually abutted, the first iron core block 5 and the second iron core block 8 are mutually abutted, a passage is formed in the first binding clip 2 and the second binding clip 3, and the second outer shell 9 is embedded in the clamping groove 7 of the first outer shell 6.
Referring to fig. 2 and 3, mounting grooves 10 having rectangular cross sections are respectively formed in two opposite side walls of the clamping groove 7 on the first outer housing 6, a pressing turntable 12 having a rectangular shape is rotatably disposed on the side walls of the four mounting grooves 10 through a rotating shaft 11, the rotating shaft 11 penetrates through the middle of the pressing turntable 12, and the rotating shaft 11 is disposed in a direction perpendicular to the direction in which the second outer housing 9 is embedded into the first outer housing 6. A guide slope 13 is provided on the side wall of the pressing turntable 12 near the second housing 9, and the guide slope 13 is provided on one end of the pressing turntable 12 near the bottom of the mounting groove 10.
A sealing block 14 in a rectangular parallelepiped shape is provided on a side wall of the pressing turntable 12 close to the second housing 9, and the sealing block 14 is provided on one end of the pressing turntable 12 far from the inclined guide surface 13. When the second shell 9 is embedded into the clamping groove 7 of the first shell 6, one end of the second shell 9 close to the first shell 6 is abutted against the guide inclined plane 13, and when the first binding clip 2 and the second binding clip 3 are abutted against each other, the second shell 9 extrudes the guide inclined plane 13, so that the compression turntable 12 rotates. The guide inclined plane 13 rotates in the direction away from the second outer shell 9, the sealing blocks 14 on the pressing rotary table 12 rotate in the direction towards the second outer shell 9 and are abutted against the second outer shell 9, the first outer shell 6, the second outer shell 9 and the plurality of sealing blocks 14 have a good sealing effect on the first iron core block 5 and the second iron core block 8, the possibility that the first iron core block 5 and the second iron core block 8 are contacted with water vapor is reduced, and therefore the possibility that the first iron core block 5 and the second iron core block 8 are rusted is reduced.
A dovetail groove 15 is formed in the side wall of the pressing rotary table 12 close to the sealing block 14, the dovetail groove 15 is arranged along the length direction of the sealing block 14, and a dovetail block 16 clamped with the dovetail groove 15 correspondingly is arranged on the side wall of the sealing block 14 close to the pressing rotary table 12. The sealing block 14 and the pressing rotary table 12 are detachably connected through a dovetail groove 15 and a dovetail block 16, so that the damaged sealing block 14 can be replaced conveniently.
Arc bulges 17 are arranged on two opposite side walls of the compression turntable 12 along the direction that the second outer shell 9 is embedded into the first outer shell 6, the two arc bulges 17 and the rotating shaft 11 are arranged concentrically, and the side wall of the mounting groove 10 is always abutted against the arc bulges 17. The rounded projections 17 on the compacting turntable 12 help to reduce the ingress of moisture from the mounting slot 10 onto the first and second core blocks 5, 8 as the compacting turntable 12 rotates.
A torsion elastic member 18 is disposed through the rotating shaft 11, which is rotatably connected between the pressing rotary table 12 and the side wall of the installation slot 10, and two ends of the torsion elastic member 18 are respectively connected to the side wall of the installation slot 10 and the pressing rotary table 12, in this embodiment, the torsion elastic member 18 may be a torsion spring. The sealing block 14 on the pressing turntable 12 is rotated in a direction away from the second housing 9 by the elastic restoring force of the torsion elastic member 18, thereby reducing the situation that the sealing block 14 blocks the second housing 9 when the second housing 9 is embedded in the first housing 6.
A sealing inclined block 4 is arranged on the side wall of the second outer shell 9 close to the first outer shell 6, and the section of the sealing inclined block 4 is gradually increased along the direction far away from the first outer shell 6. When the second outer housing 9 is embedded into the first outer housing 6, the sealing inclined block 4 abuts against the sealing block 14 more tightly as the embedding depth of the second outer housing 9 increases, thereby improving the sealing performance of the first outer housing 6 and the second outer housing 9.
The implementation principle of the rust-proof clamp type ammeter in the embodiment of the application is as follows: when first binding clip 2 and second binding clip 3 cup jointed each other, second shell 9 was embedded into the joint groove 7 of first shell 6, and second shell 9 was close to the one end of first shell 6 and was contradicted each other with leading inclined plane 13, and under the effect of first binding clip 2 and second binding clip 3 self binding force, inclined plane 13 was led in the extrusion of second shell 9 to the messenger compresses tightly revolving stage 12 and takes place to rotate. The inclined guide surface 13 rotates in a direction away from the second outer shell 9, and the sealing block 14 on the pressing rotary table 12 rotates in a direction toward the second outer shell 9 and abuts against the second outer shell 9, so that the first outer shell 6, the second outer shell 9 and the sealing block 14 perform a sealing function on the first core block 5 and the second core block 8. As the depth of insertion of the second housing 9 increases, the sealing ramp 4 on the second housing 9 abuts the sealing block 14 more tightly.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an antirust clamp type ammeter, includes ammeter body (1), first binding clip (2) and second binding clip (3) symmetry are rotated and are set up on ammeter body (1), and the one end of ammeter body (1) is kept away from in first binding clip (2) and second binding clip (3) is contradicted each other and is set up its characterized in that: the first tong head (2) comprises a first outer shell (6) and a first iron core block (5), the first outer shell (6) is sleeved on the first iron core block (5), the second tong head (3) comprises a second outer shell (9) and a second iron core block (8), and the second outer shell (9) is sleeved on the second iron core block (8); the ammeter is characterized in that the second outer shell (9) is movably arranged in the first outer shell (6) in a penetrating mode, one end, far away from the ammeter body (1), of the first outer shell (6) is provided with a sealing block (14), the sealing block (14) is arranged on the side wall, close to the first iron core block (5), of the first outer shell (6), and the sealing block (14) and the second outer shell (9) are mutually abutted.
2. The rust-proof clamp ammeter according to claim 1, wherein: the first outer shell (6) is provided with a pressing rotary table (12) on the side wall close to the first iron core block (5) in a rotating mode, one end, far away from the second iron core block (8), of the pressing rotary table (12) is provided with a guide inclined plane (13), and the sealing block (14) is arranged at one end, close to the second iron core block (8), of the pressing rotary table (12).
3. The rust-proof clamp ammeter according to claim 1, wherein: the side wall of the second outer shell (9) close to the first outer shell (6) is provided with a sealing inclined block (4), and the sealing inclined block (4) and the sealing block (14) are mutually abutted.
4. The rust-proof clamp ammeter according to claim 2, wherein: the pressing rotary table (12) is provided in plurality.
5. The rust-proof clamp ammeter according to claim 2, wherein: and a torsional elastic part (18) is arranged at the joint of the compressing turntable (12) and the first outer shell (6), and two ends of the torsional elastic part (18) are respectively connected with the compressing turntable (12) and the first outer shell (6).
6. The rust-proof clamp ammeter according to claim 2, wherein: the side wall of the pressing rotary table (12) close to the sealing block (14) is provided with a dovetail groove (15), and one end of the sealing block (14) close to the pressing rotary table (12) is provided with a dovetail block (16) correspondingly clamped with the dovetail groove (15).
7. The rust-proof clamp ammeter according to claim 2, wherein: the installation position of the first outer shell (6) on the compressing rotary table (12) is provided with an installation groove (10), and the compressing rotary table (12) is rotatably arranged in the installation groove (10).
8. The rust-proof clamp ammeter according to claim 7, wherein: the two ends of the compression turntable (12) close to the sealing block (14) and the guide inclined plane (13) are provided with arc bulges (17), and the arc bulges (17) are in sliding abutting contact with the side walls of the mounting grooves (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022066317.9U CN213275741U (en) | 2020-09-18 | 2020-09-18 | Antirust clamp type ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022066317.9U CN213275741U (en) | 2020-09-18 | 2020-09-18 | Antirust clamp type ammeter |
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| Publication Number | Publication Date |
|---|---|
| CN213275741U true CN213275741U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022066317.9U Active CN213275741U (en) | 2020-09-18 | 2020-09-18 | Antirust clamp type ammeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213275741U (en) |
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2020
- 2020-09-18 CN CN202022066317.9U patent/CN213275741U/en active Active
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