CN219834683U - Grounding mechanism for electric instrument - Google Patents
Grounding mechanism for electric instrument Download PDFInfo
- Publication number
- CN219834683U CN219834683U CN202320239379.6U CN202320239379U CN219834683U CN 219834683 U CN219834683 U CN 219834683U CN 202320239379 U CN202320239379 U CN 202320239379U CN 219834683 U CN219834683 U CN 219834683U
- Authority
- CN
- China
- Prior art keywords
- reel
- box body
- grounding
- coil spring
- shaft lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000003032 molecular docking Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims 1
- 210000001503 joint Anatomy 0.000 abstract description 13
- 238000005381 potential energy Methods 0.000 abstract description 5
- 238000004804 winding Methods 0.000 description 8
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Abstract
The utility model discloses a grounding mechanism for an electric instrument, which comprises a box body arranged in the box body of the instrument, wherein a shaft lever is rotatably arranged in the box body, a reel is rotatably sleeved on the shaft lever, a grounding wire is wound on the reel, one end of the shaft lever is provided with an adjusting mechanism for driving the reel to axially move, the other end of the shaft lever is provided with a butt joint disc, the butt joint disc is provided with a lug, the reel is provided with a groove, and the shaft lever is also connected with the inner wall of the box body through a coil spring. According to the utility model, the rolling wheel is driven by the adjusting mechanism to approach the butt joint disc, so that the convex blocks are embedded with the grooves, the rolling wheel and the shaft rod synchronously rotate, at the moment, when the grounding wire outside the box body is pulled, the rolling wheel unreels again, the shaft rod is driven to rotate, the coil spring can elastically deform to meet the rotation of the shaft rod, and after the pulling is eliminated, the elastic potential energy of the coil spring is released to pull the grounding wire back to the original position.
Description
Technical Field
The utility model relates to the technical field of grounding devices, in particular to a grounding mechanism for an electric instrument.
Background
The electric meter is a meter and instrument for measuring, recording and metering various electric quantities, the grounding device is usually composed of a grounding wire, a grounding pin and the like, the grounding device is used for achieving the purpose of connecting an electric system with the ground, and in order to avoid the occurrence of electric leakage phenomenon in the use process of the electric meter, the conventional grounding mechanism can basically meet the daily use requirement, but has a certain defect that improvement is needed.
When an electric instrument is installed in an indoor environment in a building or the like, the ground structure provided in the indoor space is often limited, and the installation of the electric instrument cannot be completely matched near the ground structure, so that a ground wire with a proper length is required to connect the two. Currently, the length setting of the ground wire is usually rich, after it is connected to the ground structure from the instrument, the unnecessary ground wire is either rolled up and placed in a position close to the ground structure or placed in the casing of the receiving equipment, so when the ground wire at the external part is accidentally pulled, the rolled ground wire is caused to unreel a part of length again, so that the external ground wire is loosened, and long time, the loose section of the ground wire at the external part generates more, greatly influences the indoor attractiveness and has potential safety hazards, so that the ground mechanism for the electric instrument is needed to solve the problems.
Disclosure of Invention
The utility model aims to provide a grounding mechanism for an electric instrument, which solves the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a grounding mechanism that electric instrument was used, includes the box body of installing in the instrument casing, it is provided with the axostylus axostyle to rotate in the box body, the reel has been cup jointed in the rotation on the axostylus axostyle, the rolling has the earth connection on the reel, axostylus axostyle one end is provided with the adjustment mechanism who drives reel axial removal, and the other end is provided with the butt joint dish, be provided with the lug on the butt joint dish, be provided with the recess on the reel, the axostylus axostyle is still connected with the box body inner wall through the wind spring.
Preferably, the adjusting mechanism comprises a bolt head coaxially connected with the end part of the shaft rod, a rotary sleeve is sleeved on the bolt head in a threaded manner, and one end of the rotary sleeve is connected with the reel wheel in a rotary manner.
Preferably, the coil spring outer ring is sleeved with a ring sleeve, one end of the ring sleeve is fixedly connected to the inner wall of the box body, and the other end of the ring sleeve is arranged close to the butt-joint disc.
Preferably, a rotating rod is rotatably arranged in the box body, a gear is coaxially connected to the rotating rod, a toothed ring which is meshed with the gear is arranged on the reel, and a rotating handle is arranged at one end of the rotating rod.
Preferably, the side wall of the box body is provided with a wire outlet hole, the side wall of the instrument shell is provided with a perforation, the free end of the unreeled grounding wire penetrates through the wire outlet hole and is provided with a connecting piece, and the connecting piece penetrates through the perforation.
Preferably, the box body is provided with a mounting sheet, and the mounting sheet is attached to the inner wall of the instrument shell and is connected through bolts and nuts.
In the technical scheme, the utility model has the beneficial effects that:
this grounding mechanism that electric instrument was used is through setting up reel rolling earth connection, when needs, the earth connection unreels the extension and supplies to be connected with indoor ground connection structure, and unreel the length qualified back, drive the reel through adjustment mechanism and be close to the butt joint dish for lug and recess gomphosis, then, the reel just rotates with the butt joint dish is synchronous, just also rotate with the axostylus axostyle in step, at this moment, the reel takes place the unreeling action once more when being pulled to drive the axostylus axostyle and rotate, the spring alright take place elastic deformation and satisfy the axostylus axostyle and rotate, and after pulling and eliminate, spring elastic potential energy release is in order to pull the earth connection back to the normal position again, thereby avoided the earth connection easily to receive and pulled the circumstances that take place scattered and scattered, indoor pleasing to the eye and safety are guaranteed.
Drawings
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an overall side structure according to an embodiment of the present utility model;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A according to an embodiment of the present utility model;
fig. 4 is a schematic side view of a cross-sectional structure according to an embodiment of the present utility model.
Reference numerals illustrate:
1. an instrument housing; 2. a case body; 3. a shaft lever; 4. a reel; 5. a ground wire; 6. a butt joint disc; 7. a bump; 8. a groove; 9. a coil spring; 10. a bolt head; 11. a rotary sleeve; 12. a ring sleeve; 13. a rotating rod; 14. a gear; 15. a toothed ring; 16. a rotary handle; 17. a wire outlet hole; 18. perforating; 19. a connecting piece; 20. and (5) mounting the sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure.
Referring to fig. 1-4, the grounding mechanism for an electric instrument provided by the embodiment of the utility model comprises a box body 2 arranged in an instrument shell 1, a shaft lever 3 is rotatably arranged in the box body 2, a reel 4 is rotatably sleeved on the shaft lever 3, a grounding wire 5 is wound on the reel 4, one end of the shaft lever 3 is provided with an adjusting mechanism for driving the reel 4 to axially move, the other end of the shaft lever 3 is provided with a docking disc 6, the docking disc 6 is provided with a bump 7, the reel 4 is provided with a groove 8, and the shaft lever 3 is also connected with the inner wall of the box body 2 through a coil spring 9.
Specifically, the instrument shell 1 is internally provided with a loading space for electronic devices, and is also provided with a preset space for accommodating the box body 2, wherein the box body 2 is detachably arranged in the instrument shell 1, namely, the box body 2 is independent of the instrument shell 1, so that the instrument shell can be assembled into different instruments for use through adaptation; the box body 2 is provided with an open surface through which the adjusting mechanism can be operated; one end of the shaft lever 3 is connected with the box body 2 in a penetrating and rotating way, and the other parts are arranged in the box body 2 in a cantilever way; the winding wheel 4 comprises a winding wheel in the middle and round protective edges at two sides, the grounding wire 5 is wound on the winding wheel for a plurality of circles, and the unwinding length is preferably 2m, 5m, 10m and the like, so that the use requirements of instruments and grounding structures in various practical situations are met; the plurality of the convex blocks 7 are arranged on the butt joint disc 6 and are circumferentially and equidistantly arranged, and the preferred number of the grooves 8 is consistent with that of the convex blocks 7, so that the reel 4 can realize the butt joint synchronization with the butt joint disc 6 under various rotation angles; the coil spring 9 can prevent the rotation of the shaft lever 3, so that the shaft lever 3 can be automatically reset after rotating. In actual use, the adjusting mechanism drives the reel 4 to be away from the docking disc 6, so that the lug 7 is separated from the groove 8, the reel 4 can rotate independently relative to the shaft rod 3, the grounding wire 5 is unreeled and stretched for being connected with an indoor grounding structure, after the unreeled length is qualified, the reel 4 is driven by the adjusting mechanism to be close to the docking disc 6, the lug 7 is embedded with the groove 8 through fine adjustment rotation, the reel 4 rotates synchronously with the docking disc 6, and then rotates synchronously with the shaft rod 3, at the moment, when the grounding wire 5 outside the box body 2 is pulled, the reel 4 is unreeled again, the shaft rod 3 is driven to rotate, the coil spring 9 can elastically deform to meet the rotation of the shaft rod 3, and after the pulling is eliminated, the elastic potential energy of the coil spring 9 is released to pull the grounding wire 5 back to the original position again, so that the condition that the grounding wire 5 is easily pulled and scattered is avoided, and indoor attractiveness and safety are ensured.
Compared with the prior art, the grounding mechanism for the electric instrument provided by the embodiment of the utility model has the advantages that the grounding wire 5 is wound by the winding wheel 4, when the grounding wire 5 is required to be unwound and stretched for being connected with an indoor grounding structure, after the unwinding length is qualified, the winding wheel 4 is driven by the adjusting mechanism to be close to the butting disc 6, so that the convex block 7 is embedded with the concave groove 8, the winding wheel 4 and the butting disc 6 synchronously rotate, namely synchronously rotate with the shaft rod 3, at the moment, when the grounding wire 5 outside the box body 2 is pulled, the winding wheel 4 is unwound again and drives the shaft rod 3 to rotate, the elastic deformation of the coil spring 9 can meet the rotation of the shaft rod 3, and after the pulling is eliminated, the elastic potential energy of the coil spring 9 is released to retract the grounding wire 5 to the original position, so that the situation that the grounding wire 5 is easily pulled and scattered is avoided, and indoor attractiveness and safety are ensured.
As a preferred technical scheme of the embodiment, the adjusting mechanism comprises a bolt head 10 coaxially connected with the end part of the shaft lever 3, a rotary sleeve 11 is sleeved on the bolt head 10 in a threaded manner, one end of the rotary sleeve 11 is rotationally connected with the reel 4, and concretely, a convex ring is arranged at one end of the rotary sleeve 11, which is close to the reel 4, and a sleeve member rotationally sleeved on the convex ring is arranged on the reel 4; the rotation of the shaft 3 is hindered by the coil spring 9, and the rotary sleeve 11 can rotate to perform a screw feeding action with the bolt head 10, so that the rolling wheel 4 is driven by the convex ring and the sleeve to axially move along the shaft 3.
As a preferred technical scheme of the embodiment, an outer ring of the coil spring 9 is sleeved with a ring sleeve 12, one end of the ring sleeve 12 is fixedly connected to the inner wall of the box body 2, the other end of the ring sleeve is closely arranged with the butt joint disc 6, specifically, one end of the inner side of the coil spring 9 is fixedly connected with the surface of the shaft lever 3, and one end of the outer side of the coil spring 9 is fixedly connected with the inner wall of the ring sleeve 12; the ring sleeve 12 is arranged close to the butt joint disc 6, and can limit the axial movement of the shaft lever 3 relative to the box body 2.
In another embodiment of the present utility model, a rotating rod 13 is rotatably disposed in the box 2, a gear 14 is coaxially connected to the rotating rod 13, a toothed ring 15 meshed with the gear 14 is disposed on the reel 4, a rotating handle 16 is disposed at one end of the rotating rod 13, specifically, the toothed ring 15 is disposed on an outer ring of a circular protection edge of the reel 4, the width of the gear 14 is not smaller than the width of the toothed ring 15, and the meshing of the toothed ring 15 and the toothed ring 14 is maintained within the axial movement range of the toothed ring 15 along with the reel 4. In actual use, in order to facilitate connection with an external grounding structure, the grounding wire 5 can release a certain margin length, after the grounding wire 5 is connected with the grounding structure, the margin length section can be obtained by rotating the rotary handle 16, the rotary handle 16 drives the gear 14, the gear 14 drives the reel 4 to rotate through the toothed ring 15 to roll back, and then the reel 4 and the shaft lever 3 are synchronized; in addition, when the grounding wire 5 is not used, the active winding of the grounding wire 5 can be conveniently performed.
As a preferable technical solution of the above embodiments, the side wall of the case 2 is provided with a wire outlet hole 17, the side wall of the instrument case 1 is provided with a perforation 18, the unreeled free end of the ground wire 5 passes through the wire outlet hole 17 and is provided with a connecting piece 19, the connecting piece 19 passes through the perforation 18, specifically, the connecting piece 19 is kept outside the wire outlet hole 17, and the perforation 18 is sized to enable the connecting piece 19 to pass freely; the other end of the grounding wire 5 passes through the reel 4 and is fixedly connected with the shaft lever 3, and the instrument shell 1, the box body 2 and the shaft lever 3 are all made of metal products and can conduct electricity, so that the whole instrument is smoothly conducted with the grounding wire 5.
As a preferable technical solution of each of the above embodiments, the case 2 is provided with the mounting piece 20, the mounting piece 20 is attached to the inner wall of the meter housing 1 and is connected by a bolt and a nut, and specifically, the case 2 is attached to a corner in the meter housing 1.
Working principle: in actual use, firstly, the rotary sleeve 11 is rotated to drive the reel 4 to be far away from the butt-joint disc 6, the lug 7 is separated from the groove 8, then the reel 4 can rotate independently relative to the shaft rod 3, then the grounding wire 5 is unreeled out of the instrument shell 1 and is extended to be connected with an indoor grounding structure, after the unreeled length is qualified, the rotary sleeve 11 is reversed, the reel 4 is driven to be close to the butt-joint disc 6, fine adjustment rotation is carried out to enable the lug 7 to be embedded with the groove 8, then the reel 4 and the butt-joint disc 6 synchronously rotate, and then the reel 4 and the shaft rod 3 synchronously rotate, at the moment, the grounding wire 5 outside the box body 2 drives the shaft rod 3 to rotate through the butt-joint disc 6, elastic deformation can be carried out by the coil spring 9 to meet the rotation of the shaft rod 3, and after the pull is eliminated, the coil spring 9 elastic potential energy is released to pull the grounding wire 5 back to the original position again, so that the condition that the grounding wire 5 is easily pulled and scattered is avoided, and indoor attractiveness and safety are ensured.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The utility model provides a grounding mechanism for electric instrument, its characterized in that, including installing box body (2) in instrument casing (1), box body (2) rotation is provided with axostylus axostyle (3), rotation has cup jointed reel (4) on axostylus axostyle (3), the rolling has earth connection (5) on reel (4), axostylus axostyle (3) one end is provided with the adjustment mechanism who drives reel (4) axial displacement, and the other end is provided with docking dish (6), be provided with lug (7) on docking dish (6), be provided with recess (8) on reel (4), axostylus axostyle (3) are still connected with box body (2) inner wall through coil spring (9).
2. The grounding mechanism for an electric instrument according to claim 1, wherein the adjusting mechanism comprises a bolt head (10) coaxially connected with the end part of the shaft lever (3), a rotary sleeve (11) is sleeved on the bolt head (10) in a threaded manner, and one end of the rotary sleeve (11) is rotatably connected with the reel (4).
3. The grounding mechanism for an electric instrument according to claim 1, wherein the outer ring of the coil spring (9) is sleeved with a ring sleeve (12), one end of the ring sleeve (12) is fixedly connected to the inner wall of the box body (2), and the other end of the ring sleeve is arranged close to the butting disc (6).
4. The grounding mechanism for an electric instrument according to claim 1, characterized in that a rotary rod (13) is rotatably arranged on the box body (2), a gear (14) is coaxially connected to the rotary rod (13), a toothed ring (15) which is meshed with the gear (14) is arranged on the reel (4), and a rotary handle (16) is arranged at one end of the rotary rod (13).
5. Grounding mechanism for an electrical instrument according to claim 1, characterized in that the side wall of the box (2) is provided with a wire outlet hole (17), the side wall of the instrument housing (1) is provided with a perforation (18), the free end of the unreeled grounding wire (5) passes through the wire outlet hole (17) and is provided with a connecting piece (19), and the connecting piece (19) is arranged through the perforation (18).
6. The grounding mechanism for an electric instrument according to claim 1, wherein a mounting piece (20) is provided on the case body (2), and the mounting piece (20) is attached to the inner wall of the instrument case (1) and is connected by a bolt and a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320239379.6U CN219834683U (en) | 2023-02-17 | 2023-02-17 | Grounding mechanism for electric instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320239379.6U CN219834683U (en) | 2023-02-17 | 2023-02-17 | Grounding mechanism for electric instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219834683U true CN219834683U (en) | 2023-10-13 |
Family
ID=88275020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320239379.6U Active CN219834683U (en) | 2023-02-17 | 2023-02-17 | Grounding mechanism for electric instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219834683U (en) |
-
2023
- 2023-02-17 CN CN202320239379.6U patent/CN219834683U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11448008B2 (en) | Curtain winding device | |
| CN217129395U (en) | A manual sunshade | |
| JP2009527430A (en) | Reel comprising a housing having a triangular opening for containing a linear substance | |
| CN111085636A (en) | Cable is cutting device for reprocessing | |
| CN210763750U (en) | Spring-powered waterproof cable reel | |
| CN111731953A (en) | A cable storage and take-up and release device | |
| CN111696299B (en) | Electrical fire monitoring detector | |
| CN105633874B (en) | A kind of terminal box of convenient use | |
| CN111824850B (en) | Automatic threading machine | |
| CN211508406U (en) | Transmission line debris clearing device | |
| CN217034886U (en) | Distributed optical fiber line type temperature-sensing fire detector | |
| CN217971964U (en) | Support frame for paying-off of cable reel | |
| JP2009113191A (en) | Bolt or nut tightening tool | |
| CN107720456B (en) | Anti-rewinding wire winder for power grid | |
| CN214652776U (en) | Automatic flexible winding and unwinding devices of cable | |
| CN205532246U (en) | A backrush rope ladder for workshop regulator cubicle | |
| CN213873380U (en) | Automatic retractable power cord and refrigerator | |
| CN212608818U (en) | Winding reel device with adjustable winding and unwinding resistance | |
| CN214399277U (en) | Cable unwinding device of machinery is used in mine | |
| CN111106567A (en) | Transmission line debris clearing device | |
| CN220744733U (en) | Unreeling device of aluminum foil printing machine | |
| KR200401346Y1 (en) | Portable wire reel | |
| CN210710167U (en) | Hand-operated cable reel | |
| CN224000788U (en) | Coiling paying-off metering assembly | |
| CN109159703B (en) | Fill electric pile with limit for length function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |