CN210628630U - Quick earthing device of cable head - Google Patents
Quick earthing device of cable head Download PDFInfo
- Publication number
- CN210628630U CN210628630U CN201921852093.5U CN201921852093U CN210628630U CN 210628630 U CN210628630 U CN 210628630U CN 201921852093 U CN201921852093 U CN 201921852093U CN 210628630 U CN210628630 U CN 210628630U
- Authority
- CN
- China
- Prior art keywords
- moving contact
- shell
- cable head
- metal
- buckle
- 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
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The utility model provides a cable head quick grounding device, the earth connection is connected with the metal moving contact electricity, after fixing the cable head on the metal static contact, the insulation operating rod is inserted into the hollow base, the pushing end can pass through the through hole and enter into the outer shell and contact with the inner shell, thereby the inner shell can be pushed to move to the outer shell, when the locking ball at the end part of the inner shell moves to the outer shell, the inner shell is in the moving state, at the moment, the metal static contact can be inserted into the inner shell and contact with the metal moving contact, simultaneously the locking ball is positioned on the locking groove of the metal static contact, at the moment, the insulation operating rod is removed, the inner shell returns to the inner part of the outer shell under the action of the connecting spring, thereby the locking ball is pushed by the inner wall of the outer shell and fastened in the locking groove, the fixation of the metal static contact is realized, the grounding is reliable, and the occurrence of electric shock accidents is prevented.
Description
Technical Field
The utility model relates to a cable ground connection technical field, in particular to quick earthing device of cable head.
Background
Along with the continuous development of national economy, higher requirement has been proposed to the operation of electric wire netting safety and stability, overhaul, test work in, all need demolish the cable head, nevertheless often because the cable offside can't ground connection, perhaps this side earth connection installs the reason of difficulty and cancel test, maintenance work, lead to repeated power failure, maintenance efficiency is low, simultaneously, demolish the working process of cable head, because the cable head working end fails to keep good ground state, the staff has the risk of the personal electric shock.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a quick earthing device of cable head, easy operation, can be quick carry out the ground connection with the cable head, ground connection is reliable, prevents the risk of electrocution.
The technical scheme of the utility model is realized like this:
a cable head quick grounding device comprises a metal static contact, a moving contact component, a grounding wire and an insulating operating rod, wherein the moving contact component comprises an outer shell, an inner shell, a metal moving contact, a connecting spring and a locking ball, the inner shell is arranged inside the outer shell and is connected with the outer shell through the connecting spring, the metal moving contact is arranged inside the inner shell, a hole groove is formed in the end part of the inner shell, the locking ball is arranged in the hole groove, the locking ball moves inside the hole groove along the direction of force when stressed, and the grounding wire is electrically connected with the metal moving contact and extends out of the outer shell; the metal static contact comprises a buckle and a static contact body, the buckle is arranged at one end of the static contact body, a locking groove is formed in the static contact body, and when the other end of the static contact body is inserted into the metal moving contact, the locking ball is located in the locking groove; the insulating bar includes the body of rod and promotion end, the promotion end is located body of rod one end, inside the shell body was penetrated to the promotion end from the shell body bottom to with interior shell body bottom contact.
Preferably, the moving contact component further comprises a hollow base, the hollow base is arranged at the bottom of the outer shell, two ends of the connecting spring are respectively connected with the hollow base and the bottom of the inner shell, and the hollow base is provided with a through hole for the pushing end to extend into the outer shell.
Preferably, the inside wall of the hollow base is provided with a sliding groove, the side face of the rod body is provided with a sliding end, and when the insulating operating rod is inserted into the hollow base, the sliding end is embedded into the sliding groove.
Preferably, the inside wall of the hollow base is further provided with a positioning groove, and the positioning groove penetrates through the sliding groove.
Preferably, the metal moving contact comprises a moving contact main body and an elastic tightening clamping groove, the elastic tightening clamping groove is arranged at one end of the moving contact main body, and the other end of the moving contact main body is electrically connected with the grounding wire.
Preferably, the metal moving contact further comprises an annular spring, grooves are formed in the elastic tightening clamping groove, and the annular spring is arranged on all the grooves in a surrounding mode.
Preferably, the inner wall of the outer shell is provided with a first limiting block, the outer surface of the inner shell is provided with a second limiting block, and the first limiting block is located on the moving stroke of the second limiting block.
Preferably, the buckle includes a first buckle body and a second buckle body, a buckle position for fixing the cable head is formed between the first buckle body and the second buckle body, the first buckle body is connected with the static contact body, and the first buckle body is connected with the second buckle body through a screw.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a cable head quick grounding device, after the cable head is connected with the buckle of a metal static contact, an insulating operating rod is inserted into the bottom of an outer shell, so that the pushing end at one end of a rod body of the insulating operating rod can extend into the outer shell and contact with the bottom of the inner shell, the inner shell can be pushed out of the outer shell by continuously pushing the insulating operating rod, thereby a locking ball at the end part of the inner shell is in a movable state, at the moment, a static contact body of the metal static contact is inserted into the inner shell, the locking ball is positioned in a locking groove, then the insulating operating rod is withdrawn from the inner part of the outer shell, at the moment, the inner shell is pulled back to the inner part of the outer shell under the action of a connecting spring, in the process that the inner shell returns to the inner part of the outer shell, the locking ball moves towards the locking groove after being pushed by, after the grounding wire and the cable head are electrically connected through the metal static contact and the metal moving contact, the cable head can be quickly grounded, the grounding is reliable, and electric shock accidents can be prevented.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an embodiment of a cable head quick grounding device according to the present invention;
fig. 2 is a schematic side view of an inner housing of an embodiment of a cable head quick grounding device according to the present invention;
fig. 3 is a schematic structural diagram of a metal moving contact according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a locking ball and a hole groove of an embodiment of the cable head quick grounding device of the present invention;
fig. 5 is a schematic structural diagram of a hollow base of an embodiment of the cable head quick grounding device of the present invention;
in the figure, 1 is a ground wire, 2 is an outer shell, 3 is an inner shell, 4 is a metal moving contact, 5 is a connecting spring, 6 is a locking ball, 7 is a hole groove, 8 is a buckle, 9 is a static contact body, 10 is a locking groove, 11 is a rod body, 12 is a pushing end, 13 is a hollow base, 14 is a through hole, 15 is a sliding groove, 16 is a sliding end, 17 is a positioning groove, 18 is a moving contact main body, 19 is an elastic tightening clamping groove, 20 is an annular spring, 21 is a groove, 22 is a first limiting block, 23 is a second limiting block, 24 is a first buckle body, 25 is a second buckle body, and 26 is a buckle position.
Detailed Description
In order to better understand the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, the utility model provides a cable head quick grounding device, including metal static contact, moving contact subassembly, earth connection 1 and insulating bar, the moving contact subassembly includes shell body 2, inner housing 3, metal moving contact 4, connecting spring 5 and locking ball 6, inner housing 3 sets up inside shell body 2 to be connected with shell body 2 through connecting spring 5, metal moving contact 4 sets up inside inner housing 3, the tip of inner housing 3 is provided with hole groove 7, locking ball 6 sets up in hole groove 7, and locking ball 6 moves inside hole groove 7 along the direction of force when the atress, earth connection 1 is connected with metal moving contact 4 electricity, and stretches out to the shell body 2 outside; the metal static contact comprises a buckle 8 and a static contact body 9, the buckle 8 is arranged at one end of the static contact body 9, a locking groove 10 is arranged on the static contact body 9, and when the other end of the static contact body 9 is inserted into the metal moving contact 4, the locking ball 6 is positioned in the locking groove 10; insulating action bars includes the body of rod 11 and promotes end 12, it is located body of rod 11 one end to promote end 12, it penetrates inside outer casing 2 to promote end 12 from outer casing 2 bottom to contact with interior casing 3 bottom.
The utility model discloses a quick earthing device of cable head divide into three major parts, is insulating action bars, moving contact subassembly and metal static contact respectively, and the metal static contact includes static contact body 9 and buckle 8, and buckle 8 is used for fixed cable head, and static contact body 9 is used for being connected with moving contact subassembly electricity.
The moving contact component comprises an outer shell 2, an inner shell 3, a metal moving contact 4, a connecting spring 5 and a locking ball 6, wherein the outer shell 2 is a cavity cylinder with an opening on the side surface, the inner shell 3 is positioned inside the outer shell 2, the bottom surface of the inner shell 3 is connected with the inner bottom surface of the outer shell 2 through the connecting spring 5, when the inner shell 3 is at an initial position, the whole body is positioned inside the outer shell 2, when the inner shell 3 is stressed, the inner shell can move towards the opening of the outer shell 2, so that part of the inner shell 3 is exposed out of the outer shell 2, when the inner shell is not stressed, the initial position can be returned under the pulling force of the connecting spring 5, a hole groove 7 is arranged at the end part of the inner shell 3, the locking ball 6 is arranged in the hole groove 7, the structural schematic diagram of the locking ball 6 and the hole groove 7 is shown in figure 4, the locking ball, when interior casing 3 was in initial position, locking ball 6 received the thrust of outer casing 2 inner wall and was in the fastening state, and when interior casing 3 received thrust, the one end at locking ball 6 place was pushed out to outer casing 2 outside, and locking ball 6 was in the active state that does not receive the exogenic action this moment, alright at this moment with be connected metal static contact and interior casing 3.
The inner shell 3 is also internally provided with a metal moving contact 4, when the metal moving contact 4 is pushed by the stress of the inner shell 3, the metal moving contact 4 does not extend out of the outer shell 2 all the time, when the locking ball 6 is pushed out of the outer shell 2 and is in a movable state, the static contact body 9 is inserted into the inner shell 3 and is in contact connection with the metal moving contact 4, the locking ball 6 is positioned on the locking groove 10, after the external force acting on the inner shell 3 is removed, the inner shell 3 moves towards the direction of the connecting spring 5 under the elasticity of the connecting spring 5, the metal static contact is driven to move in the moving process, when the locking ball 6 enters the outer shell 2, under the action of the inner wall of the outer shell 2, the locking groove 10 is fastened after the locking ball 6 moves towards the direction of the locking groove 10, so as to fix the metal static contact, because the metal moving contact 4 is electrically connected with the grounding wire 1, the cable head is electrically connected with, the grounding is reliable, and electric shock accidents can be prevented.
For the insulating operation rod, the function is to provide pushing force for the inner shell 3, the insulating operation rod comprises a rod body 11 and a pushing end 12, the pushing end 12 can enter the inner part of the outer shell 2 and is contacted with the bottom surface of the inner shell 3, so that the inner shell 3 can be pushed to move, and after the insulating operation rod is removed, the inner shell 3 is not stressed and can return to the initial position under the action of the connecting spring 5.
When the metal static contact needs to be detached, the metal static contact is directly pulled out of the inner shell 3, in the pulling process, the metal lens drives the inner shell 3 to move outwards, and when the locking ball 6 is pulled to the outside of the outer shell 2, the locking ball 6 is in a movable state, so that the locking groove 10 and the locking ball 6 can be separated, and the metal static contact and the metal moving contact 4 are separated.
Preferably, the moving contact component further includes a hollow base 13, the hollow base 13 is disposed at the bottom of the outer shell 2, two ends of the connecting spring 5 are respectively connected with the hollow base 13 and the bottom of the inner shell 3, and the hollow base 13 is provided with a through hole 14 for the pushing end 12 to extend into the outer shell 2.
The end of the hollow base 13 connected to the outer housing 2 is provided with a through hole 14, and the through hole 14 is communicated to the inside of the outer housing 2, so that the pushing end 12 of the insulated operating rod can be inserted into the outer housing 2 to be contacted with the inner housing 3.
Preferably, the inside wall of the hollow base 13 is provided with a sliding groove 15, the side surface of the rod body 11 is provided with a sliding end 16, when the insulating operating rod is inserted into the hollow base 13, the sliding end 16 is embedded into the sliding groove 15, the inside wall of the hollow base 13 is further provided with a positioning groove 17, and the positioning groove 17 penetrates through the sliding groove 15.
When insulating bar entered into hollow base 13, slip end 16 on its side can remove along spout 15, thereby play the effect of location, can make the quick through-hole 14 and make of inserting of promotion end 12 inside stretching into outer casing 2, the aim at of the constant head tank 17 of setting can be fixed insulating bar, after inner casing 3 is promoted certain degree, need keep inner casing 3 to be in by the promotion state, can rotate insulating bar's the body of rod 11 this moment, make slip end 16 on the body of rod 11 can rotate and enter into constant head tank 17, insulating bar can be fixed inside hollow base 13 this moment, thereby can be continuous provide thrust for inner casing 3.
Specifically, the sliding grooves 15 are symmetrically arranged on the inner side wall of the hollow base 13, namely two groups of sliding grooves 15 are provided, the positioning grooves 17 are also symmetrically arranged in the sliding grooves 15, four groups of positioning grooves 17 are provided in the embodiment, and two groups of positioning grooves are respectively provided on each side, so that the insulating operating rod can be fixed at different positions when extending into the hollow base 13 for fixing, wherein the positioning grooves 17 close to the through holes 14 are deep stations, and the sliding ends 16 can be rotated to the deep stations for fixing after the pushing ends 12 push out the inner shell 3; the positioning groove 17 far away from the through hole 14 is a shallow station, when the metal static contact needs to be removed, the sliding end 16 can be rotated to the shallow station for fixing, the pushing end 12 is not in contact with the inner shell 3 at the moment, and the insulating operating rod can provide a grip for a user, so that the user can pull the metal static contact out of the inner shell 3 conveniently.
Preferably, the metal moving contact 4 includes a moving contact main body 18 and an elastic tightening clamping groove 19, the elastic tightening clamping groove 19 is disposed at one end of the moving contact main body 18, and the other end of the moving contact main body 18 is electrically connected to the ground line 1.
The elastic tightening clamping groove 19 can fix the static contact body 9 and has certain elasticity, when the static contact body 9 is inserted into the metal moving contact 4, the elastic tightening clamping groove 19 on the metal moving contact 4 can fix the static contact body 9, and the metal static contact can be stably and electrically connected with the metal moving contact 4 through the double fixation of the elastic tightening clamping groove 19 and the locking ball 6.
Preferably, the metal moving contact 4 further includes an annular spring 20, a groove 21 is provided on the elastic tightening slot 19, and the annular spring 20 is provided around all the grooves 21.
The annular spring 20 is disposed around all the grooves 21, so as to provide an elastic force for the elastic tightening slot 19, and when the metal static contact is inserted into the metal moving contact 4, the annular spring 20 can fix the elastic tightening slot 19 on the static contact body 9 of the metal moving contact.
In the whole process of dismounting the metal static contact, the metal moving contact 4 and the inner shell 3 move synchronously, the bottom of the inner shell 3 is fixedly connected with the bottom of the metal moving contact 4 through screws, and meanwhile, the grounding wire 1 is fixed at the bottom of the metal moving contact 4.
Preferably, the inner wall of the outer shell 2 is provided with a first limiting block 22, the outer surface of the inner shell 3 is provided with a second limiting block 23, and the first limiting block 22 is located on the moving stroke of the second limiting block 23.
The first limiting block 22 and the second limiting block 23 can prevent the inner shell 3 from being stretched excessively, and meanwhile, when the metal static contact is removed, the second limiting block 23 abuts against the first limiting block 22, so that a user can conveniently apply force to pull the metal static contact out of the metal moving contact 4.
Preferably, the buckle 8 includes a first buckle body 24 and a second buckle body 25, a buckle position 26 for fixing a cable head is formed between the first buckle body 24 and the second buckle body 25, the first buckle body 24 is connected with the static contact body 9, and the first buckle body 24 and the second buckle body 25 are connected by a screw.
This embodiment adopts buckle 8's form to fix the cable head, and first knot body 24 and the upper and lower end of second knot body 25 all are provided with the screw, places the cable head and detains position 26 back, links up first knot body 24 and second knot body 25 through the screw, realizes fixing the cable head.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A cable head quick grounding device is characterized by comprising a metal static contact, a moving contact component, a grounding wire and an insulating operating rod, wherein the moving contact component comprises an outer shell, an inner shell, a metal moving contact, a connecting spring and a locking ball, the inner shell is arranged inside the outer shell and is connected with the outer shell through the connecting spring, the metal moving contact is arranged inside the inner shell, a hole groove is formed in the end part of the inner shell, the locking ball is arranged in the hole groove, the locking ball moves inside the hole groove along the direction of force when stressed, and the grounding wire is electrically connected with the metal moving contact and extends out of the outer shell; the metal static contact comprises a buckle and a static contact body, the buckle is arranged at one end of the static contact body, a locking groove is formed in the static contact body, and when the other end of the static contact body is inserted into the metal moving contact, the locking ball is located in the locking groove; the insulating bar includes the body of rod and promotion end, the promotion end is located body of rod one end, inside the shell body was penetrated to the promotion end from the shell body bottom to with interior shell body bottom contact.
2. The quick grounding device for the cable head according to claim 1, wherein the moving contact assembly further comprises a hollow base, the hollow base is disposed at the bottom of the outer casing, two ends of the connecting spring are respectively connected with the hollow base and the bottom of the inner casing, and the hollow base is provided with a through hole for the pushing end to extend into the outer casing.
3. The quick grounding device for the cable head of claim 2, wherein the inner side wall of the hollow base is provided with a sliding groove, the side surface of the rod body is provided with a sliding end, and when the insulating operating rod is inserted into the hollow base, the sliding end is embedded into the sliding groove.
4. The quick grounding device for a cable head according to claim 3, wherein the inner side wall of the hollow base is further provided with a positioning groove, and the positioning groove is disposed through the sliding groove.
5. The quick grounding device for the cable head according to claim 1, wherein the metal moving contact comprises a moving contact body and an elastic tightening slot, the elastic tightening slot is disposed at one end of the moving contact body, and the other end of the moving contact body is electrically connected to the ground wire.
6. The quick grounding device for a cable head according to claim 5, wherein the metal moving contact further comprises an annular spring, the elastic tightening slot is provided with a groove, and the annular spring is circumferentially provided with all the grooves.
7. The cable head quick grounding device according to claim 1, wherein a first limiting block is disposed on an inner wall of the outer housing, a second limiting block is disposed on an outer surface of the inner housing, and the first limiting block is located on a moving stroke of the second limiting block.
8. The cable head quick grounding device according to claim 1, wherein the buckle comprises a first buckle body and a second buckle body, a buckle position for fixing the cable head is formed between the first buckle body and the second buckle body, the first buckle body is connected with the static contact body, and the first buckle body and the second buckle body are connected through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921852093.5U CN210628630U (en) | 2019-10-29 | 2019-10-29 | Quick earthing device of cable head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921852093.5U CN210628630U (en) | 2019-10-29 | 2019-10-29 | Quick earthing device of cable head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210628630U true CN210628630U (en) | 2020-05-26 |
Family
ID=70753919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921852093.5U Active CN210628630U (en) | 2019-10-29 | 2019-10-29 | Quick earthing device of cable head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210628630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153850A (en) * | 2020-09-25 | 2020-12-29 | 成都坪庆商贸有限公司 | Security protection power supply unit |
-
2019
- 2019-10-29 CN CN201921852093.5U patent/CN210628630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153850A (en) * | 2020-09-25 | 2020-12-29 | 成都坪庆商贸有限公司 | Security protection power supply unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210628630U (en) | Quick earthing device of cable head | |
| CN106329225B (en) | Male plug and attachment device for batteries of electric automobile mould group | |
| CN111211428B (en) | Auxiliary tool for mounting 10kV busbar type grounding wire | |
| CN108798480A (en) | A kind of Multi-section telescopic ladder | |
| CN207504193U (en) | A kind of power cable earthing or grounding means | |
| CN211295620U (en) | Annular plug pin assembly | |
| CN203455445U (en) | Switchgear bushing withstand voltage test device | |
| CN208690366U (en) | A kind of cell connector group with duplicate protection | |
| CN218731766U (en) | Ground wire conductor end chuck | |
| CN204966860U (en) | Press round pin formula telescopic terrestrial pole bolt | |
| CN212434863U (en) | Grounding device | |
| CN203009489U (en) | Insulating bar plug device | |
| CN102769228A (en) | Magnetic socket and plug | |
| CN205389043U (en) | Wall of built -in extension line is inserted | |
| CN209997023U (en) | vibration smearing device | |
| CN213093528U (en) | Grounding electrode pulling device | |
| CN212695340U (en) | Transformer distribution line overhauls earthing terminal | |
| CN216251637U (en) | Electric shock prevention isolation device for electrical equipment | |
| CN219226659U (en) | Novel insulating grounding ring | |
| CN216214362U (en) | Strong electricity connecting wire group | |
| CN205353282U (en) | Pillar insulator pressure resistance test installation for GIS | |
| CN215989831U (en) | Maintenance power socket box convenient to equipment | |
| CN221126352U (en) | Safe type electronic connector | |
| CN209730300U (en) | A kind of cylinder locking mechanism and plug | |
| CN210136727U (en) | Conductive particle suppression device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |