CN223244640U - Portable residual current monitor - Google Patents
Portable residual current monitorInfo
- Publication number
- CN223244640U CN223244640U CN202422099997.2U CN202422099997U CN223244640U CN 223244640 U CN223244640 U CN 223244640U CN 202422099997 U CN202422099997 U CN 202422099997U CN 223244640 U CN223244640 U CN 223244640U
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- gear
- mounting
- positioning
- driving
- residual current
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Abstract
The utility model relates to the technical field of current monitors, in particular to a portable residual current monitor, which comprises a protective box, a monitor body, a mounting seat, a mounting opening, a mounting plate and a positioning mechanism, wherein the protective box comprises a box body and a box cover, the box cover is hinged on the box body, the monitor body is fixedly arranged in the box body, the mounting seat is fixedly arranged on the box body, the mounting seat is provided with the mounting opening, the mounting plate is fixedly arranged on the box cover, the mounting plate is fixedly provided with a mounting block, and the positioning mechanism is arranged in the mounting seat.
Description
Technical Field
The utility model relates to the technical field of current monitors, in particular to a portable residual current monitor.
Background
The residual current monitor is a portable rectifying instrument with high sensitivity and a multi-range protection circuit, and is characterized by wide measuring range, twenty ranges, capability of measuring AC/DC stray voltage and stray current respectively, no need of power supply, safety and reliability. The test device is suitable for testing the current and voltage generated by underground steel rails, water pipes, cables and the like of the coal mine, and preventing the electric detonator from being pre-exploded and other explosion accidents caused by residual current discharge, so that the fire source in the mine is minimized.
The utility model provides a residual current monitor among the prior art is fixed setting in the protective housing generally, is convenient for carry the current tester through the protective housing, for example authorizes the patent of the utility model of bulletin number CN217766592U, and it discloses a portable stray current monitor, belongs to electric power monitoring facilities field, including the shell, the shell up end is provided with adjustable apron, shell up end afterbody position is provided with a plurality of binding posts, shell up end right side position is provided with the display screen, apron preceding terminal surface middle part position is provided with the curved bar, the shell preceding terminal surface is provided with down curved bar corresponding to last curved bar position, last curved bar lower terminal surface middle part position is provided with the block, lower curved bar up end corresponds the block and is provided with the clamping groove.
Above-mentioned patent can improve the connection convenience of shell and apron through joint mechanism, but above-mentioned patent is simpler, and is comparatively not enough to the joint strength of shell and apron between the part to when easily leading to the shell to receive the impact, the apron is unexpected to open easily, thereby leads to damaging the current monitor in the shell, and then influences the whole stability in use and the life of device.
Disclosure of utility model
The utility model provides a portable residual current monitor, which solves the problem of lower fixation stability between a shell and a cover plate in the related technology.
The portable residual current monitor comprises a protective box, a monitor body, a mounting seat, a mounting opening, a mounting plate and a positioning mechanism;
the protective box comprises a box body and a box cover, and the box cover is hinged on the box body;
The monitor body is fixedly arranged in the box body;
the mounting seat is fixedly arranged on the box body;
the mounting seat is provided with a mounting opening;
the mounting plate is fixedly arranged on the box cover, and a mounting block is fixedly arranged on the mounting plate;
The positioning mechanism is arranged in the mounting seat and used for positioning the mounting opening and the mounting block.
Preferably, the positioning mechanism includes:
the positioning grooves are formed in two opposite side walls of the mounting opening;
The positioning block is arranged in the positioning groove in a sliding manner;
The positioning through grooves are formed in two opposite side walls of the mounting block;
The relative movement mechanism is arranged in the mounting seat and used for controlling the two positioning blocks to move relatively.
Further, the relative movement mechanism includes:
the first cavity is formed in one side of the positioning groove, and the first cavity is communicated with the positioning groove;
The first cavity is internally provided with two adjusting blocks in a sliding manner;
the adjusting rod is hinged between the positioning block and the adjusting block;
The relative movement assembly is arranged in the first cavity and used for controlling the two regulating blocks in the same first cavity to move relatively.
Still further, the relative movement assembly includes:
the threaded hole is formed in the adjusting block;
The bidirectional threaded rod is rotatably arranged in the first cavity and penetrates through the two threaded holes through threaded fit;
And the rotating mechanism is arranged in the mounting seat and used for controlling the two bidirectional threaded rods to synchronously rotate.
Still further, the rotation mechanism includes:
The second cavity is formed at one side of the two first cavities;
the first gear is rotatably arranged in the second cavity and fixedly connected with the bidirectional threaded rod;
The second gear is rotatably arranged in the second cavity, and a third gear is rotatably arranged between the second gear and the first gear;
wherein the third gear is meshed with the first gear and the second gear;
the driving mechanism is arranged on the mounting seat and used for controlling the second gear to rotate.
On the basis of the scheme, the driving mechanism comprises:
the driving groove is formed in the mounting seat;
the driving port is formed in the second gear and aligned with the driving groove;
The driving rod is arranged in the driving groove, penetrates through the driving opening and is fixedly provided with a hand wheel;
And the limiting mechanism is arranged on the driving rod and used for limiting the position between the driving opening and the driving rod.
On the basis of the scheme, the limiting mechanism comprises:
The limiting grooves penetrate through the side wall of the side, far away from the hand wheel, of the second gear;
The limiting blocks are fixedly arranged on the side wall of the driving rod and are matched with the limiting grooves in shape;
The supporting mechanism is arranged in the mounting seat and used for supporting the driving rod.
On the basis of the scheme, the supporting mechanism comprises:
the annular groove is formed in the side wall of the driving groove;
the supporting plate is arranged in the annular groove in a sliding manner;
wherein the driving rod is rotationally connected with the supporting plate;
the support spring is sleeved on the driving rod, and two ends of the support spring are respectively contacted with the support plate and the side wall of the annular groove.
On the basis of the scheme, the side wall of the box body is provided with a heat radiation opening.
On the basis of the scheme, a filter screen is arranged in the heat dissipation port.
The working principle and the beneficial effects of the utility model are as follows:
1. According to the utility model, the monitor body can be protected through the arrangement of the protective box, and meanwhile, the portability of the monitor body can be improved through the protective box;
2. According to the utility model, through the arrangement of the positioning mechanism, in the process of closing the box cover, the mounting block can extend into the mounting port, then an operator rotates the hand wheel, so that the second gear can be driven to rotate through the cooperation of the limiting block and the limiting groove, meanwhile, the first gear and the bidirectional threaded rod can be driven to synchronously rotate through the conduction of the third gear, and further, the two adjusting blocks can be driven to relatively move through the threaded cooperation of the adjusting blocks and the bidirectional threaded rod, so that the positioning block can be driven to extend into the positioning through groove through the adjusting rod, and meanwhile, the positioning between the mounting block and the mounting seat is realized through the cooperation of the positioning block and the positioning through groove respectively, so that the protection and portability of the monitor are improved;
3. According to the utility model, through the arrangement of the limiting mechanism, after the positioning of the mounting block is completed, an operator can loosen the hand wheel, so that the driving rod can move under the action of the supporting spring, and the limiting block is separated from the limiting groove, so that in the process of external force extrusion rotation of the hand wheel, only the driving rod can be driven to rotate but not the third human gear can be driven to rotate, and the mounting stability is improved;
4. According to the utility model, through the arrangement of the protective box, the monitor body, the mounting seat, the mounting opening, the mounting plate and the positioning mechanism, the positioning between the mounting seat and the mounting block can be realized through the work of the positioning mechanism, and then the protection of the monitor body can be realized through the box body and the box cover, and meanwhile, through the arrangement of the limiting mechanism, the box body and the box cover cannot be loosened when the hand wheel rotates under the action of external force, so that the problem of lower fixing stability between the shell and the cover plate in the related technology is solved.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the protection box in the closed state;
FIG. 3 is a schematic cross-sectional view of the mounting base of the present utility model;
FIG. 4 is a schematic view of a positioning mechanism according to the present utility model;
fig. 5 is a schematic view of the structure of the support plate of the present utility model.
In the figure, 1, a box body; 2, a box cover, 3, a monitor body, 4, a mounting seat, 5, a mounting hole, 6, a mounting plate, 7, a mounting block, 8, a positioning block, 9, a positioning through groove, 10, an adjusting block, 11, an adjusting rod, 12, a bidirectional threaded rod, 13, a first gear, 14, a second gear, 15, a third gear, 16, a driving rod, 17, a limiting groove, 18, a limiting block, 19, a supporting plate, 20, a supporting spring, 21 and a heat dissipation hole.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-5, this embodiment provides a portable residual current monitor, including the protective housing, monitor body 3, mount pad 4, mounting port 5, mounting panel 6 and positioning mechanism, the protective housing includes box 1 and case lid 2, case lid 2 articulates and sets up on box 1, monitor body 3 is fixed to be set up in box 1, mount pad 4 is fixed to be set up on box 1, mounting port 5 has been seted up on the mount pad 4, mounting panel 6 is fixed to be set up on case lid 2, the fixed installation piece 7 that is provided with on the mounting panel 6, positioning mechanism sets up in mount pad 4 for fix a position between mounting port 5 and the installation piece 7, cooling hole 21 has been seted up to box 1 lateral wall, be provided with the filter screen in the cooling hole 21.
Referring to fig. 1-4, the positioning mechanism comprises a positioning groove, a positioning block 8, a positioning through groove 9 and a relative movement mechanism, wherein the positioning groove is formed in two opposite side walls of the mounting opening 5, the positioning block 8 is slidably arranged in the positioning groove, the positioning through groove 9 is formed in two opposite side walls of the mounting block 7, the relative movement mechanism is arranged in the mounting seat 4 and is used for controlling the two positioning blocks 8 to move relatively, the relative movement mechanism comprises a first cavity, an adjusting block 10, an adjusting rod 11 and a relative movement assembly, the first cavity is formed in one side of the positioning groove and is communicated with the positioning groove, two adjusting blocks 10 are slidably arranged in the first cavity, the adjusting rod 11 is hinged between the positioning block 8 and the adjusting block 10, and the relative movement assembly is arranged in the first cavity and is used for controlling the two adjusting blocks 10 in the same first cavity to move relatively.
Specifically, in closing case lid 2's in-process, installation piece 7 can stretch into in the installing port 5, can control two regulating blocks 10 through the work of relative movement subassembly and carry out relative movement, at the in-process that regulating block 10 removed, can drive locating piece 8 through adjusting lever 11 and remove to make locating piece 8 stretch into in the location logical groove 9, realize the location to between installation piece 7 and the mount pad 4 through the cooperation of locating piece 8 with constant head tank and location logical groove 9 respectively simultaneously, thereby promote monitor's protection and portability.
Referring to fig. 1-4, the relative movement assembly includes a threaded hole, a bidirectional threaded rod 12 and a rotating mechanism, the threaded hole is formed in the adjusting block 10, the bidirectional threaded rod 12 is rotatably arranged in the first cavity, the bidirectional threaded rod 12 penetrates through the two threaded holes through threaded fit, the rotating mechanism is arranged in the mounting seat 4 and used for controlling the two bidirectional threaded rods 12 to synchronously rotate, the rotating mechanism includes a second cavity, a first gear 13, a second gear 14 and a driving mechanism, the second cavity is formed in one side of the two first cavities, the second cavity is internally provided with the two first gears 13 in a rotating manner, the first gears 13 are fixedly connected with the bidirectional threaded rod 12, the second gear 14 is rotatably arranged in the second cavity, a third gear 15 is rotatably arranged between the second gears 14 and the first gears 13, the third gear 15 is meshed with the first gears 13 and the second gears 14, the driving mechanism is arranged on the mounting seat 4 and used for controlling the second gears 14 to rotate, the driving mechanism includes a driving groove, a driving opening, a driving rod 16 and a limiting mechanism, the driving groove is formed in the mounting seat 4, the driving opening is formed in one side of the two first cavities, the driving opening is formed in the second gear 14 and the driving groove is aligned with the driving groove 16, the driving rod 16 is fixedly arranged between the driving opening and the driving rod 16, and the limiting mechanism is arranged in the driving groove 16.
Specifically, the operator rotates the hand wheel, so that the second gear 14 can be driven to rotate through the cooperation of the limiting block 18 and the limiting groove 17, and meanwhile, the first gear 13 and the bidirectional threaded rod 12 can be driven to synchronously rotate through the conduction of the third gear 15, and further, the two adjusting blocks 10 can be driven to relatively move through the threaded cooperation of the adjusting blocks 10 and the bidirectional threaded rod 12.
Referring to fig. 4 and 5, the stop mechanism includes stop slot 17, stopper 18 and supporting mechanism, a plurality of stop slots 17 have been seted up on the drive mouth lateral wall, stop slot 17 runs through the lateral wall of second gear 14 side of keeping away from the hand wheel, the fixed a plurality of stoppers 18 that are provided with of actuating lever 16 lateral wall, stopper 18 and stop slot 17 shape looks adaptation, supporting mechanism sets up in mount pad 4, be used for supporting actuating lever 16, supporting mechanism includes the ring channel, backup pad 19 and supporting spring 20, the ring channel is seted up on the actuating slot lateral wall, backup pad 19 slides and sets up in the ring channel, wherein, actuating lever 16 rotates with backup pad 19 to be connected, supporting spring 20 suit is on actuating lever 16, supporting spring 20 both ends respectively with backup pad 19 and the lateral wall contact of ring channel.
Specifically, after the positioning of the mounting block 7 is completed, an operator can loosen the hand wheel, so that the driving rod 16 can move under the action of the supporting spring 20, and the limiting block 18 is separated from the limiting groove 17, so that the hand wheel can be extruded by external force to rotate, and only the driving rod 16 can be driven to rotate but the third human gear cannot be driven to rotate, thereby improving the mounting stability.
In this embodiment, when using, in the in-process of closing case lid 2, installation piece 7 can stretch into in the mounting hole 5, afterwards operating personnel pulls the hand wheel, thereby make stopper 18 stretch into in the spacing groove 17 through the removal of actuating lever 16, simultaneously operating personnel rotates the hand wheel, thereby can drive second gear 14 through the cooperation of stopper 18 and spacing groove 17 and rotate, simultaneously can drive first gear 13 and bi-directional threaded rod 12 through the conduction of third gear 15 and rotate in step, and then can drive two regulating blocks 10 and carry out relative movement through the screw-thread fit of regulating block 10 and bi-directional threaded rod 12, thereby can drive locating piece 8 through adjusting lever 11 and stretch into in the location through groove 9, simultaneously realize the location between installation piece 7 and mount pad 4 through the cooperation of locating piece 8 respectively with the constant head tank and location through groove 9, thereby promote the protection and the portability of monitor, after accomplishing the location to installation piece 7, operating personnel can loosen, thereby actuating lever 16 can move under the effect of supporting spring 20, thereby make stopper 18 follow in spacing groove 17 and take place synchronous rotation, thereby can only take place to extrude the hand wheel 16 at the hand wheel, thereby can not drive the rotation stability of the actuating lever 16, thereby the stability is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A portable residual current monitor, comprising:
the protective box comprises a box body (1) and a box cover (2), wherein the box cover (2) is hinged on the box body (1);
The monitor body (3), the monitor body (3) is fixedly arranged in the box body (1);
the mounting seat (4) is fixedly arranged on the box body (1);
The mounting seat (4) is provided with a mounting opening (5);
The mounting plate (6), the mounting plate (6) is fixedly arranged on the box cover (2), and the mounting plate (6) is fixedly provided with a mounting block (7);
The positioning mechanism is arranged in the mounting seat (4) and is used for positioning the mounting opening (5) and the mounting block (7).
2. The portable residual current monitor according to claim 1, wherein said positioning mechanism comprises:
the positioning grooves are formed in two opposite side walls of the mounting opening (5);
The positioning block (8) is arranged in the positioning groove in a sliding way;
The positioning through grooves (9) are formed in two opposite side walls of the mounting block (7);
The relative movement mechanism is arranged in the mounting seat (4) and used for controlling the two positioning blocks (8) to move relatively.
3. The portable residual current monitor according to claim 2, wherein said relative movement mechanism comprises:
the first cavity is formed in one side of the positioning groove, and the first cavity is communicated with the positioning groove;
The first cavity is internally provided with two adjusting blocks (10) in a sliding manner;
The adjusting rod (11) is hinged between the positioning block (8) and the adjusting block (10);
and the relative movement assembly is arranged in the first cavity and used for controlling the two regulating blocks (10) in the same first cavity to perform relative movement.
4. A portable residual current monitor according to claim 3, wherein said relative movement assembly comprises:
the threaded hole is formed in the adjusting block (10);
the bidirectional threaded rod (12) is rotatably arranged in the first cavity, and the bidirectional threaded rod (12) penetrates through the two threaded holes through threaded fit;
And the rotating mechanism is arranged in the mounting seat (4) and used for controlling the two bidirectional threaded rods (12) to synchronously rotate.
5. The portable residual current monitor according to claim 4, wherein said rotating mechanism comprises:
The second cavity is formed at one side of the two first cavities;
The first gear (13) is rotatably arranged in the second cavity, and the first gears (13) are fixedly connected with the bidirectional threaded rod (12);
The second gear (14) is rotatably arranged in the second cavity, and a third gear (15) is rotatably arranged between the second gear (14) and the first gear (13);
Wherein the third gear (15) is meshed with the first gear (13) and the second gear (14);
The driving mechanism is arranged on the mounting seat (4) and used for controlling the second gear (14) to rotate.
6. The portable residual current monitor according to claim 5, wherein said drive mechanism comprises:
The driving groove is formed in the mounting seat (4);
A drive port, the drive port being provided on the second gear (14), the drive port being aligned with the drive slot;
The driving rod (16) is arranged in the driving groove, the driving rod (16) penetrates through the driving opening, and a hand wheel is fixedly arranged on the driving rod (16);
And the limiting mechanism is arranged on the driving rod (16) and is used for limiting the distance between the driving opening and the driving rod (16).
7. The portable residual current monitor according to claim 6, wherein said limiting mechanism comprises:
the limiting grooves (17) are formed in the side wall of the driving port, the limiting grooves (17) penetrate through the side wall of the second gear (14) far away from the hand wheel;
the limiting blocks (18) are fixedly arranged on the side walls of the driving rods (16), and the limiting blocks (18) are matched with the limiting grooves (17) in shape;
and the supporting mechanism is arranged in the mounting seat (4) and is used for supporting the driving rod (16).
8. The portable residual current monitor according to claim 7, wherein said support mechanism comprises:
the annular groove is formed in the side wall of the driving groove;
A support plate (19), the support plate (19) being slidably disposed within the annular groove;
wherein the driving rod (16) is rotatably connected with the supporting plate (19);
The support spring (20), support spring (20) suit is in on the actuating lever (16), support spring (20) both ends respectively with backup pad (19) and the lateral wall contact of ring channel.
9. The portable residual current monitor according to claim 8, wherein the side wall of the case (1) is provided with a heat radiation opening (21).
10. A portable residual current monitor according to claim 9, characterized in that a filter screen is arranged in the heat sink (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422099997.2U CN223244640U (en) | 2024-08-28 | 2024-08-28 | Portable residual current monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422099997.2U CN223244640U (en) | 2024-08-28 | 2024-08-28 | Portable residual current monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223244640U true CN223244640U (en) | 2025-08-19 |
Family
ID=96715370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422099997.2U Active CN223244640U (en) | 2024-08-28 | 2024-08-28 | Portable residual current monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223244640U (en) |
-
2024
- 2024-08-28 CN CN202422099997.2U patent/CN223244640U/en active Active
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