CN216055479U - Ground wire junction box device - Google Patents
Ground wire junction box device Download PDFInfo
- Publication number
- CN216055479U CN216055479U CN202122075026.0U CN202122075026U CN216055479U CN 216055479 U CN216055479 U CN 216055479U CN 202122075026 U CN202122075026 U CN 202122075026U CN 216055479 U CN216055479 U CN 216055479U
- Authority
- CN
- China
- Prior art keywords
- connection
- shock attenuation
- terminal box
- earth connection
- positioning pin
- 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
Images
Abstract
The utility model provides a ground connection box device, relate to electromechanical installation technical field, including the terminal box, the shock attenuation tray, earth connection and grounding body, the shock attenuation tray is the open disc structure in upper end, the bottom of terminal box and the bottom upper surface sliding connection of shock attenuation tray, and be connected through a plurality of damping spring between the lateral wall surface of terminal box and the lateral wall internal surface of shock attenuation tray, a plurality of damping spring are around the axis evenly distributed of shock attenuation tray, be equipped with wiring mechanism in the terminal box, be equipped with the equipment line inserted hole in the one end of terminal box, the other end is equipped with the earth connection connector, the one end and the earth connection connector electric connection of earth connection, the other end and the grounding body electric connection of earth connection, the bottom lower surface of shock attenuation tray still fixes and is equipped with the ground nail. This novel connection operation of simplifying device and equipment line still makes equipment line and device firm in connection, is difficult to take place to drop, and the displacement of equipment line is observed to the accessible observation hole, has ensured the safe in utilization that ground connection connects.
Description
Technical Field
The utility model relates to the technical field of electromechanical installation, in particular to a ground wire junction box device.
Background
In electromechanical installation, the grounding device is necessary protection for electromechanical equipment and personal safety, and the principle is as follows: the power supply of the equipment is strong power supply (380, 220 or 110V), a casing and the like are not electrified under normal conditions, when a fault (such as a power failure of a main machine or other faults) causes a power supply live wire of the power supply to be short-circuited with conductive metal parts such as a shell, the metal parts or the shell form a charged body, if the power supply live wire is not well grounded, a high potential difference exists between the charged body and the ground, if a person accidentally touches the charged body, a path can be formed through the person, a danger is caused, and the equipment can be damaged by the excessive current.
Therefore, in order to prevent leakage and static electricity accumulation, it is necessary to connect the metal casing of the device to the ground well, and a grounding device is not used. The existing grounding device has the following defects:
1. the structure is simple: for example, a grounding wire is randomly pulled to contact the ground to serve as a grounding device, so that a large potential safety hazard exists, and when the grounding wire is touched and displaced or damaged, the grounding effect is likely to be damaged;
2. the connection is not firm: under the touch of external force, the joint of the grounding wire of the equipment and the grounding device is easy to fall off and is not easy to be discovered after falling off;
3. the installation is troublesome: when the grounding wire of the equipment is connected with the grounding device, the grounding device is troublesome to connect due to the complex structure.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a ground wire junction box device.
In order to achieve the purpose, the technical scheme adopted by the novel device is as follows:
the utility model provides a ground wire terminal box device, includes terminal box, shock attenuation tray, earth connection and the grounding body, the shock attenuation tray be the open disc structure in upper end, the bottom of terminal box and the bottom upper surface sliding connection of shock attenuation tray, and be connected through a plurality of damping spring between the lateral wall surface of terminal box and the lateral wall internal surface of shock attenuation tray, a plurality of damping spring around the axis evenly distributed of shock attenuation tray, the terminal box in be equipped with wiring mechanism, be equipped with the equipment line inserted hole in the one end of terminal box, the other end is equipped with the earth connection connector, the one end and the earth connection connector electric connection of earth connection, the other end and the grounding body electric connection of earth connection, the bottom lower surface of shock attenuation tray still fixed be equipped with the ground nail.
Preferably, terminal box upper end articulated have the visor, wiring mechanism include a plurality of wiring pipes of arranging side by side in the terminal box inside, the one end of wiring pipe run through the lateral wall surface of terminal box and form the equipment line inserted hole, the other end and the earth connection interface connection of wiring pipe are equipped with the copper sheet in the pipe wall internal surface lower part of wiring pipe, the fixed current output head that is equipped with in center department of earth connection interface, current output head pass through wire and copper sheet electric connection, the tip of earth connection be equipped with the butt joint, still the cover is equipped with the nut in the outside of earth connection tip, nut and earth connection interface spiro union, butt joint and current output head peg graft, the wiring pipe wall on be equipped with equipment line fixed part.
Preferably, the equipment wire fixing part comprises a positioning bolt and a positioning pin, the positioning bolt penetrates through the wall of the wiring pipe and is in threaded connection with the upper end of the wall of the wiring pipe, the positioning bolt penetrates through the wall of the wiring pipe and is elastically connected with the upper end of the wall of the wiring pipe, and the positioning bolt and the positioning pin are made of insulating materials.
Preferably, the bottom end of the positioning bolt is rotatably connected with a first pressing block, the positioning bolt is rotated, and the first pressing block presses the equipment wire on the upper surface of the copper sheet.
Preferably, the longitudinal section of the positioning pin is T-shaped, a tension spring is further sleeved on the periphery of the positioning pin, which is located between the lower surface of the top end of the positioning pin and the upper surface of the pipe wall of the wire connecting pipe, two ends of the tension spring are fixedly connected with the lower surface of the top end of the positioning pin and the upper surface of the pipe wall of the wire connecting pipe respectively, a second pressing block is further fixedly connected to the lower end of the positioning pin, and the lower end of the second pressing block presses the equipment wire onto the upper surface of the copper sheet under the tension of the tension spring.
Preferably, the positioning pin is positioned on one side of the positioning bolt far away from the equipment wire insertion opening, and an observation hole is further formed in the top of the wall of the wiring tube on one side of the positioning pin far away from the equipment wire insertion opening.
Preferably, the grounding body is made of round steel or steel tube material.
Preferably, the outer surface of the round steel or the steel pipe material is subjected to antiseptic treatment.
This novel ground wire terminal box device's beneficial effect does:
the utility model has the beneficial effects that: this novel connection operation of simplifying device and equipment line still makes equipment line and device firm in connection, is difficult to take place to drop, and the displacement of equipment line is observed to the accessible observation hole, has ensured the safe in utilization that ground connection connects.
Description of the drawings:
FIG. 1 is a schematic longitudinal sectional structure of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the present invention;
1. junction box, 11, backing plate, 12, wiring tube, 121, positioning bolt, 122, first pressing block, 123, positioning pin, 124, tension spring, 125, second pressing block, 126, observation hole, 127, copper sheet, 13, protective cover, 14, equipment wire insertion hole, 15, grounding wire connecting port, 2, damping tray, 21, damping spring, 22, ground nail, 3, grounding wire, 4, grounding body, 5 and equipment wire.
The specific implementation mode is as follows:
the present invention is described in detail below with reference to the drawings, which are intended to illustrate preferred embodiments of the present invention and not to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to be referred to must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 2:
the utility model provides a ground wire terminal box device, includes terminal box 1, shock attenuation tray 2, earth connection 3 and grounding body 4, shock attenuation tray 2 be the open disc structure in upper end, the bottom of terminal box 1 and shock attenuation tray 2's bottom upper surface sliding connection, and be connected through a plurality of damping spring 21 between the lateral wall surface of terminal box and shock attenuation tray 2's the lateral wall internal surface, a plurality of damping spring 21 are around the axis evenly distributed of shock attenuation tray, terminal box 1 in be equipped with wiring mechanism, be equipped with equipment line inserted hole 14 in terminal box 1's one end, the other end is equipped with earth connection connector 15, the one end and the earth connection 15 electric connection of earth connection 3, the other end and the grounding body 4 electric connection of earth connection, the bottom lower surface of shock attenuation tray 2 still fixed ground nail 22 that is equipped with. Fix shock attenuation tray 2 and ground through ground nail 22, make the whole position of device fix in the home range who accords with each electric wire, when equipment line 5 received the pulling, damping spring 21 takes place to warp, reduces the atress of equipment line and terminal box junction to avoid the equipment line to drop, the pulling force disappears the back, and the terminal box resets under damping spring's effect, thereby has avoided the emergence of the periodic displacement of equipment line.
The upper end of the junction box 1 is hinged with a protective cover 13, and the protective cover is used for preventing a wiring mechanism in the junction box from being damaged; the wiring mechanism comprises a plurality of wiring pipes 12 which are arranged in parallel in the junction box 1, and the plurality of wiring pipes can be used simultaneously and used as a unified management for grounding of a plurality of electromechanical devices; one end of the wire connecting tube 12 penetrates through the outer surface of the side wall of the junction box and forms an equipment wire inserting hole 14, the other end of the wire connecting tube 12 is connected with a grounding wire connecting port 15, a copper sheet 127 is arranged on the lower portion of the inner surface of the tube wall of the wire connecting tube 12, a current output head (not marked in the figure) is fixedly arranged at the center of the grounding wire connecting port 15 and is electrically connected with the copper sheet 127 through a lead, a butt joint (not marked in the figure) is arranged at the end portion of the grounding wire 3, a nut (not marked in the figure) is further sleeved on the outer side of the end portion of the grounding wire and is in threaded connection with the grounding wire connecting port 15, the butt joint is in inserted connection with the current output head, and an equipment wire fixing part is arranged on the tube wall of the wire connecting tube 12; the connection mode of the ground wire and the ground wire connection port is a common mode, and therefore, no reference is made and detailed description is not given.
The device wire fixing component comprises a positioning bolt 121 which penetrates through the wall of the wire connecting pipe and is in threaded connection with the upper end of the wall of the wire connecting pipe, and a positioning pin 123 which penetrates through the wall of the wire connecting pipe and is elastically connected with the upper end of the wall of the wire connecting pipe, wherein the positioning bolt 121 and the positioning pin 123 are made of insulating materials. The positioning pin and the positioning bolt made of the insulating material are convenient for connecting equipment wires, and complex operation is avoided.
The bottom end of the positioning bolt 121 is rotatably connected with a first pressing block 122, the positioning bolt 121 is rotated, and the first pressing block presses the equipment wire 5 on the upper surface of the copper sheet 127. The positioning bolt has the function of reinforcement, so that the equipment wire is connected in the junction box in a reinforced mode and is prevented from falling off.
The longitudinal section of the positioning pin 123 is T-shaped, a tension spring 124 is further sleeved on the periphery of the positioning pin 123 between the lower surface of the top end of the positioning pin 123 and the upper surface of the tube wall of the wire connecting tube 12, two ends of the tension spring are fixedly connected with the lower surface of the top end of the positioning pin and the upper surface of the tube wall of the wire connecting tube respectively, the lower end of the positioning pin 123 is further fixedly connected with a second pressing block 125, and under the tension of the tension spring 124, the lower end of the second pressing block 125 presses the equipment wire 5 to the upper surface of the copper sheet 127. As shown in fig. 1, after the device wire is inserted into the wire connecting tube, the positioning pin 123 is pulled up by hand to insert the device wire to the position corresponding to the lower end of the positioning pin, and then the hand is released, and the positioning pin presses the device wire under the action of the tension spring. Then, the positioning bolt is rotated again, and the part of the equipment wire far away from the joint is compressed tightly, so that the equipment wire is prevented from falling off, and meanwhile, the electric connection between the equipment wire and the copper sheet is kept.
The positioning pin 123 is located on one side of the positioning bolt 121 far away from the equipment wire insertion opening 14, and an observation hole 126 is further formed in the top of the wall of the patch tube on one side of the positioning pin far away from the equipment wire insertion opening 14. As mentioned above, when inserting the device wire, it can be observed whether the head of the device wire is in place through the observation hole 126, so as to avoid the insecure connection between the device wire and the copper sheet, and meanwhile, in the using process, it can also be observed whether the device wire is in place through the observation hole, so as to judge whether the device wire is displaced. The observation hole can be a through hole or an observation window made of transparent materials.
The grounding body 4 is made of round steel or steel pipe material, and is designed in common use.
The outer surface of the round steel or the steel pipe material is subjected to anticorrosion treatment, so that the round steel or the steel pipe material is prevented from being corroded when being placed in soil.
This neotype theory of use: during this novel use, whether insert through observing the hole and target in place, and judge through observing the hole whether the equipment line takes place the displacement in the use, head and the copper sheet of with the equipment line through the locating pin compress tightly, ensure electric connection, further compress tightly the equipment line through positioning bolt, avoid the equipment line to drop, through ground nail with shock attenuation tray and terminal box integrated positioning, prevent the device from breaking away from the length scope of each electric wire, deformation when simultaneously adapting to equipment line pulling through damping spring, reduce the pulling force of equipment line and junction of connecting wire pipe, not only simplified the connection operation of device and equipment line through above setting, still make equipment line and device firm in connection, be difficult to take place to drop, and the displacement of equipment line is observed in the accessible observation hole, the safety in utilization of ground connection has been ensured.
Claims (8)
1. A ground connection box apparatus, characterized in that: including terminal box, shock attenuation tray, earth connection and grounding body, the shock attenuation tray be the open disc structure in upper end, the bottom of terminal box and shock attenuation tray's bottom upper surface sliding connection, and be connected through a plurality of damping spring between the lateral wall surface of terminal box and the lateral wall internal surface of shock attenuation tray, a plurality of damping spring around the axis evenly distributed of shock attenuation tray, the terminal box in be equipped with wiring mechanism, be equipped with the equipment line inserted hole in the one end of terminal box, the other end is equipped with the earth connection connector, the one end and the earth connection connector electric connection of earth connection, the other end and the grounding body electric connection of earth connection, the bottom lower surface of shock attenuation tray still fixed be equipped with the ground nail.
2. A ground connection box device as claimed in claim 1, wherein: the terminal box upper end articulated have the visor, wiring mechanism include a plurality of wiring pipes of arranging side by side in the terminal box inside, the one end of wiring pipe run through the lateral wall surface of terminal box and form the equipment line inserted hole, the other end and the earth connection connector of wiring pipe are equipped with the copper sheet in the pipe wall internal surface lower part of wiring pipe, locate fixedly at the center of earth connection interface to be equipped with the current output head, the current output head pass through wire and copper sheet electric connection, the tip of earth connection be equipped with the butt joint, still overlap in the outside of earth connection tip and be equipped with the nut, nut and earth connection interface spiro union, butt joint and current output head peg graft, the wiring pipe wall on be equipped with equipment line fixed part.
3. A ground connection box device as claimed in claim 2, wherein: the equipment wire fixing component comprises a positioning bolt and a positioning pin, wherein the positioning bolt penetrates through the wall of the wiring pipe and is in threaded connection with the upper end of the wall of the wiring pipe, the positioning bolt penetrates through the wall of the wiring pipe and is elastically connected with the upper end of the wall of the wiring pipe, and the positioning bolt and the positioning pin are made of insulating materials.
4. A ground connection box device as claimed in claim 3, wherein: the bottom end of the positioning bolt is rotatably connected with a first pressing block, the positioning bolt is rotated, and the first pressing block presses the equipment wire on the upper surface of the copper sheet.
5. A ground connection box device as claimed in claim 4, wherein: the longitudinal section of the positioning pin is T-shaped, a tension spring is further sleeved on the periphery of the positioning pin, which is located between the lower surface of the top end of the positioning pin and the upper surface of the pipe wall of the junction box, two ends of the tension spring are fixedly connected with the lower surface of the top end of the positioning pin and the upper surface of the pipe wall of the junction box respectively, a second pressing block is further fixedly connected to the lower end of the positioning pin, and the equipment wire is tightly pressed on the upper surface of the copper sheet by the lower end of the second pressing block under the tension of the tension spring.
6. A ground connection box device as claimed in claim 5, wherein: the positioning pin is positioned on one side, away from the equipment wire insertion hole, of the positioning bolt, and an observation hole is further formed in the top of the pipe wall of the wiring pipe, away from the equipment wire insertion hole, of the positioning pin.
7. A ground connection box assembly as claimed in any one of claims 1 to 6, wherein: the grounding body is made of round steel or steel tube materials.
8. A ground connection box device as claimed in claim 7, wherein: the outer surface of the round steel or the steel pipe material is subjected to antiseptic treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122075026.0U CN216055479U (en) | 2021-08-31 | 2021-08-31 | Ground wire junction box device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122075026.0U CN216055479U (en) | 2021-08-31 | 2021-08-31 | Ground wire junction box device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216055479U true CN216055479U (en) | 2022-03-15 |
Family
ID=80623009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122075026.0U Active CN216055479U (en) | 2021-08-31 | 2021-08-31 | Ground wire junction box device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216055479U (en) |
-
2021
- 2021-08-31 CN CN202122075026.0U patent/CN216055479U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101852838A (en) | Voltage withstand detection device for external conical equipment casing of high-voltage switch cabinet | |
| CN216055479U (en) | Ground wire junction box device | |
| CN205646196U (en) | Looped netowrk cabinet earthing device | |
| CN214849090U (en) | Ground protection device for electric power construction | |
| CN213071443U (en) | Box transformer overhauls earthing device | |
| CN201725005U (en) | Anti-pressure detecting device for outer cone-shaped equipment bushing of high-voltage switch cabinet | |
| CN212649074U (en) | Connecting structure of anti-loosening cable end connector | |
| CN210985039U (en) | Lightning stroke protection device of remote centralized meter reading device | |
| CN212183143U (en) | Charger with anti-creeping function | |
| CN209642086U (en) | A kind of ring network cabinet with quick plug-in interface | |
| CN209071953U (en) | With the matching used connector sleeve component of residual current detection positioning device | |
| CN108710005B (en) | Dielectric loss partial discharge sensor structure and capacitive high-voltage electrical equipment detection mechanism | |
| CN208706903U (en) | A kind of computer room lightning protection anti electrostatic device | |
| CN206180310U (en) | Public head of cable, female head of cable and shield structure machine cable connector | |
| CN210041288U (en) | Three-core cold-shrinkable cable outdoor terminal | |
| CN211122949U (en) | Special test tool for 10kV power cable | |
| CN216145776U (en) | Earthing device for electric power construction | |
| CN213484009U (en) | Earthing device for maintenance protection | |
| CN215451933U (en) | Industrial voltmeter socket | |
| CN215343266U (en) | Special plug for contact cabinet | |
| CN214543580U (en) | Cable sheath cross interconnection protection grounding box | |
| CN211351678U (en) | Cable joint with locking function | |
| CN204389550U (en) | The flexible connector that a kind of anti-reaying protection test touches by mistake | |
| CN218039971U (en) | Socket for low-voltage cable | |
| CN219801803U (en) | Low-temperature-resistant pluggable high-voltage cable grounding box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |