CN208257248U - A kind of earthing or grounding means and hands injured - Google Patents
A kind of earthing or grounding means and hands injured Download PDFInfo
- Publication number
- CN208257248U CN208257248U CN201820941317.9U CN201820941317U CN208257248U CN 208257248 U CN208257248 U CN 208257248U CN 201820941317 U CN201820941317 U CN 201820941317U CN 208257248 U CN208257248 U CN 208257248U
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- earthing
- grounding means
- spring
- interconnecting piece
- grounding
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Abstract
The utility model discloses a kind of earthing or grounding means and hands injured, is related to medium voltage electricity and becomes distribution technique field.Earthing or grounding means includes earthing member and grounding contact, earthing member has fixing end and installation end, earthing member is connect by fixing end with breaker, installation end and fixing end are not on the same line, activity space is collectively formed in installation end and fixing end, grounding contact includes interconnecting piece and contact portion, connecting portion in activity space and with installation end elastic connection, contact portion is far from activity space.Earthing or grounding means can solve the problems, such as that traditional earthing or grounding means poor reliability and space utilization rate are low.
Description
Technical field
The utility model relates to medium voltage electricities to become distribution technique field, in particular to a kind of earthing or grounding means and handcart
Cabinet.
Background technique
Breaker plays the role of carrying in electrical power distribution system, cut-offs and making current.Intermediate voltage electric power system at present
Switchgear often realizes that hands injured is once grounded with cabinet body by fixed breaker, or directly passes through fixed copper bar or ground line
It is connected directly with earthing bar of cabinet body to carry out operation, this mode is higher to the matching requirements of device, and planform is often
Limitation is excessive, reduces the reliability of earthing or grounding means, so that structure is complicated for whole device, is unfavorable for the inspection of electrical power distribution system
It repairs.
Utility model content
First of the utility model is designed to provide a kind of earthing or grounding means, solve traditional earthing or grounding means poor reliability and
The low problem of space utilization rate.
Second of the utility model is designed to provide a kind of hands injured, solves the maintenance of traditional switch cabinet risk is high to ask
Topic.
The embodiments of the present invention are achieved in that
A kind of earthing or grounding means, earthing or grounding means include earthing member and grounding contact, and earthing member has fixing end and installation end, Gu
Not on the same line, fixing end and installation end are collectively formed activity space for fixed end and installation end, earthing member by fixing end with
Breaker connection, grounding contact include interconnecting piece and contact portion, and connecting portion is in activity space, interconnecting piece and installation end elasticity
Connection, contact portion is far from activity space.
Inventor's discovery: the breaker for the traditional earthing or grounding means having can only be grounded in operating position, and in testing position
State often can not be grounded；The traditional earthing or grounding means having directly passes through earthing bar of fixed copper bar and cabinet body and directly connects
It fetches and is grounded, the contact head height dimension that position is grounded in hands injured progradation is uncontrollable, and contact is be easy to cause to insert
Enter deviation, influences electric conductivity and the cost of overhaul；The traditional grounding device constructions having are excessively complicated, although having a safety feature,
It is constrained to planform, integral space utilization ratio is low, also time-consuming and laborious for the maintenance of electrical power distribution system.
For this purpose, inventor devises above-mentioned earthing or grounding means, earthing or grounding means is made of earthing member and grounding contact, earthing member tool
There are a fixing end and installation end, earthing member is connect by fixing end with breaker, and installation end and fixing end is not on the same line
Setting to form an activity space, grounding contact includes interconnecting piece and contact portion, interconnecting piece and installation end elastic connection,
Connecting portion is in activity space, and contact portion is far from activity space.Specifically, earthing or grounding means is installed on-board the circuit breaker, breaker
The cabinet bottom end of hands injured is set, when breaker is pushed into switch cabinet body, since the bottom end of hands injured and cabinet body are grounded
The difference in height of row is less than the contact portion of grounding contact away from the height of installation end, and the earthing bar of cabinet body can be with the contact portion of earthing or grounding means
Against and be applied to the thrust of grounding contact straight up, because of the interconnecting piece and installation end elastic connection of grounding contact, the thrust
The contact portion of grounding contact can be made to move upwards to raise the certain safe altitude of grounding contact, safe altitude by interconnecting piece with
The elastic force of installation end elastic connection controls, when hands injured is moved to operating position by experimental site in cabinet body, due to even
The effect of socket part and installation end elastic connection, grounding contact by elastic force can always with the earthing bar sliding contact of cabinet body, no
It only ensure that breaker and cabinet body earthing bar one directly, while ground connection ensure that by the effect of safe altitude and elastic force
Reliability.The setting of activity space defines the spatial position of grounding contact, on the one hand ensure that the safety of earthing or grounding means, separately
On the one hand the components space setting of earthing or grounding means has been simplified.Earthing or grounding means efficiently solve traditional earthing or grounding means poor reliability and
The low problem of space utilization rate.
In an embodiment of the present invention:
Fixing end is arranged in parallel with installation end, and grounding contact is detachably connected on installation end by connecting rod, connection
Elastic component is arranged on bar, interconnecting piece passes through elastic component and installation end elastic connection.
In an embodiment of the present invention:
Elastic component includes spring and spring compressor, and spring is connect with spring compressor, and spring compressor and spring are sheathed in connecting rod.
In an embodiment of the present invention:
Interconnecting piece and installation end flat contact, connecting rod are set in connecting rod perpendicular to installation end, interconnecting piece, spring two
End is connected separately with spring compressor, and by preload piece against spring compressor, the elastic component other end passes through spring compressor and company for elastic component one end
Socket part against.
In an embodiment of the present invention:
The one end of interconnecting piece far from contact portion is arc-shaped protrusion, and preload piece is nut.
In an embodiment of the present invention:
Interconnecting piece is obliquely installed with installation end, and elastic component one end is by spring compressor and installation end against interconnecting piece is inserted in company
The one end of extension bar far from installation end and with the elastic component other end against.
In an embodiment of the present invention:
Earthing member is conductive metal earthing sheet.
In an embodiment of the present invention:
Spring is conductive metal spring, and spring compressor is conductive metal spring cap, and connecting rod is conductive metal screw.
In an embodiment of the present invention:
Interconnecting piece and contact portion are conductive metal, and contact portion top is smooth arc shape.
A kind of hands injured, hands injured have above-mentioned earthing or grounding means, and hands injured further includes breaker, and earthing or grounding means is mounted on disconnected
On the device of road, breaker is contacted by earthing or grounding means with earthing bar.
The technical solution of the utility model at least has the following beneficial effects:
A kind of earthing or grounding means provided by the utility model, solves traditional earthing or grounding means poor reliability and space utilization rate is low
Problem.
A kind of hands injured provided by the utility model solves the problems, such as that traditional switch cabinet maintenance risk is high.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of earthing or grounding means in the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of earthing or grounding means in the utility model embodiment 2；
Fig. 3 is the structural schematic diagram of earthing or grounding means in the utility model embodiment 3；
Fig. 4 is the structural schematic diagram of hands injured in the utility model embodiment 4.
Icon: 10- earthing or grounding means；20- earthing or grounding means；30- earthing or grounding means；40- hands injured；42- hands injured wheel；44-
Breaker；46- earthing bar；48- hands injured cabinet bottom end；200- earthing member；210- fixing end；212- spring washer；214- nut；
216- plain cushion；220- installation end；230- activity space；300- grounding contact；310- interconnecting piece；320- contact portion；400- connection
Bar；410- elastic component；412- spring；414- spring compressor；420- preload piece.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This
Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Embodiment 1
Present embodiments provide a kind of earthing or grounding means 10, earthing or grounding means 10 for solve traditional earthing or grounding means poor reliability and
The low problem of space utilization rate.
Referring to FIG. 1, Fig. 1 shows the specific structure of the earthing or grounding means 10 of this specific embodiment offer.
Earthing or grounding means 10 includes earthing member 200 and grounding contact 300, and earthing member 200 has fixing end 210 and installation end
220, grounding contact 300 includes interconnecting piece 310 and contact portion 320.Fixing end 210 and installation end 220 are arranged in parallel and fix
There is difference in height, fixing end 210 and installation end 220 form an activity space 230, and activity is empty between end 210 and installation end 220
Between 230 be in breaker 44 lower sections.Fixing end 210 is removably mounted on breaker 44 by two groups of nuts 214, fixed
It is disposed with plain cushion 216 and spring washer 212 between end 210 and two groups of nuts 214, to be grounded part 200 and breaker 44
Be detachably connected.The interconnecting piece 310 of grounding contact 300 is located in activity space 230 and with installation end 220 against interconnecting piece
310 one end far from contact portion 320 are designed as being convenient for the arc-shaped bulge-structure against installation end 220, grounding contact 300
Far from activity space 230, contact portion 320 is substantially in the shape of the letter V shape contact portion 320, and the top of contact portion 320 is smooth arc shape,
Interconnecting piece 310 is set in connecting rod 400, and connecting rod 400 is conductive metal screw, and connecting rod 400 is removable by nut 214
It is connected on installation end 220 and vertical with installation end 220 with unloading, elastic component 410, elastic component is also arranged in connecting rod 400
410 include that a conductive metal spring 412 and two conductive metal spring caps 414, two spring compressors 414 respectively offer logical
Hole (is not drawn into) in figure, and connecting rod 400 passes through through-hole, and the both ends of spring 412 are connect with two spring compressors 414 respectively, wherein one
A spring compressor 414 is connected portion 310, another 414 upper end of spring compressor by a preload piece 420 against and removably connect
It connects in the upper end of connecting rod 400, it is defined that preload piece 420 can guarantee that elastic component 410 is compressed to the preload of elastic component 410
Safe altitude.
Specifically, the setting of breaker 44 is in the cabinet bottom end 48 (please referring to Fig. 4) of hands injured 40 (please referring to Fig. 4), work
When, breaker 44 is pushed by switch cabinet body by hands injured 40, due to cabinet bottom end 48 (please referring to Fig. 4) and switch cabinet body
The difference in height of earthing bar 46 (please referring to Fig. 4) be less than the contact portion 320 of grounding contact 300 away from the height of installation end 220, ground connection
Row 46 (please referring to Fig. 4) can with contact portion 320 against and be applied to the thrust of grounding contact 300 straight up, because of grounding contact
300 interconnecting piece 310 and 220 elastic connection of installation end, the thrust can be such that the contact portion 320 of grounding contact 300 moves upwards
To raise the certain safe altitude of grounding contact 300, spring 412 compresses under the action of thrust at this time, and is applied to interconnecting piece
310 1 stand tightly against interconnecting piece 310 with installation end 220 with thrust contrary elastic force equal in magnitude, elastic force,
Safe altitude is controlled by elastic force, when hands injured 40 (please referring to Fig. 4) is moved to work by experimental site in switch cabinet body
When position, the contact portion 320 of grounding contact 300 can always with the earthing bar of cabinet body 46 (please referring to Fig. 4) sliding contact, wherein connecing
The interconnecting piece 310 and contact portion 320 of ground contact 300 are the conductive metal of same material, earthing member 200 is conductive metallic ground
Piece, interconnecting piece 310 are far from the arc-shaped protrusion setting of 320 one end of contact portion and 320 top of contact portion of smooth arc shape
It not only ensure that breaker 44 and earthing bar 46 (please referring to Fig. 4) at work one directly, while passing through safe altitude and bullet
The effect of property power ensure that the reliability of ground connection.The setting of activity space 230 defines grounding contact 300 and connecting rod 400
Spatial position, on the one hand ensure that the safety of earthing or grounding means 10, on the other hand simplify the space of 10 components of earthing or grounding means
Setting.
In the present embodiment, fixing end 210 is removably mounted on breaker 44 by two groups of nuts 214, connecting rod 400
For conductive metal screw, connecting rod 400 is detachably connected on installation end 220 by nut 214, and elastic component 410 passes through
One preload piece 420 realizes that elastic component 410 is compressed to defined safe altitude, it should be noted that the utility model is simultaneously unlimited
Determine the connection type of fixing end 210 Yu breaker 44, do not limit connecting rod 400 specific structure and connecting rod 400 and installation
The connection type at end 220, does not limit the number of preload piece 420, in other specific embodiments, fixing end 210 can pass through yet
One or more groups of nuts 214 are removably mounted on breaker 44, can also be connect by other means with breaker 44；Even
Extension bar 400 can also can also be detachably connected to by other means installation end for other conductive metallic rods, connecting rod 400
On 220；Preload piece 420 may be multiple.
In the present embodiment, interconnecting piece 310 is designed as far from one end of contact portion 320 convenient for against the circular arc of installation end 220
Shape bulge-structure, contact portion 320 are substantially in the shape of the letter V shape, and the top of contact portion 320 is smooth arc shape, and preload piece 420 is spiral shell
Cap, it should be noted that the utility model does not limit interconnecting piece 310 one end and contact portion 320 far from contact portion 320
Concrete shape structure, do not limit the specific structure of preload piece 420, in other specific embodiments, interconnecting piece 310 can also yet
Think that other can contact good planform with installation end 220, contact portion 320 may be other can be with earthing bar 46
Contact good shape, preload piece 420 can also for other can preloading spring 412 structure.
Embodiment 2
A kind of earthing or grounding means 20 is present embodiments provided, the earthing or grounding means 20 and the structure of above-mentioned earthing or grounding means 10 and zero
Part is roughly the same, and different places is the connection type of grounding contact 300 Yu earthing member 200.
Referring to FIG. 2, the specific structure of the earthing or grounding means 20 provided Fig. 2 shows this specific embodiment.
The interconnecting piece 310 of conductive metal grounding contact 300 is obliquely installed with the installation end 220 of conductive metal earthing member 200,
Interconnecting piece 310 is resisted against on the outer end of installation end 220, and the outer end of installation end 220 is smooth arc shape, and contact portion 320 is far from living
Dynamic space 230,400 one end of connecting rod are fixedly connected with installation end 220, and elastic component 410 includes a conductive metal spring 412
With the conductive metal spring compressor 414 for being connected to 412 one end of conductive metal spring, spring compressor 414 offers through-hole, elastic component 410
It is inserted in connecting rod 400 by through-hole, so that spring compressor 414 is against installation end 220.Interconnecting piece 310 is inserted in connecting rod 400 simultaneously
Against spring 412,310 upper end of interconnecting piece is removably nested in connecting rod 400 by a preload piece 420 and compresses bullet
412 to one safe altitude of spring.Preload piece 420 is nut, and connecting rod 400 is conductive metal screw, preload piece 420 with connect
The connection of 400 upper end of bar not will pop up to the grounding contact 300 that limitation is nested in connecting rod 400.The fixing end of earthing member 200
210 is detachably connected by two groups of nuts 214 and breaker 44.
Specifically, for contact portion 320 when being elevated, interconnecting piece 310 can be with the outer end of installation end 220 under the action of thrust
For fulcrum, compressed spring 412, and then the generation elastic force of spring 412 and thrust-balancing obliquely in connecting rod 400, thus real
Existing earthing or grounding means 20 is reliably grounded.Wherein the ground connection between conductive metal grounding contact 300 and conductive metal earthing member 200 is led
It is electric on the one hand conductive by the contact of the outer end of installation end 220, on the other hand pass through conductive metal spring 412, conductive metal bullet
Spring cap 414 and conductive metal connecting rod 400 are conductive.
Embodiment 3
A kind of earthing or grounding means 30 is present embodiments provided, the knot of the earthing or grounding means 10 in the earthing or grounding means 30 and embodiment 1
Structure and components are roughly the same, and different places is shape and structure and the ground connection touching of the interconnecting piece 310 of grounding contact 300
First 300 with the connection type of installation end 220.
Referring to FIG. 3, Fig. 3 shows the specific structure of the earthing or grounding means 30 of this specific embodiment offer.
The interconnecting piece 310 of grounding contact 300 is arranged in parallel to the structure of installation end 220 far from one end of contact portion 320,
310 other end of interconnecting piece is set as bending-like structure, and the bending end of interconnecting piece 310 is resisted against on the outer end of installation end 220, connects
Contact portion 320 is fixedly connected with installation end 220 far from activity space 230,400 one end of connecting rod and perpendicular to installation end 220, bullet
Property part 410 include conductive metal spring 412 and the conductive metal spring compressor for being connected to 412 one end of conductive metal spring
414, spring compressor 414 offers through-hole, and elastic component 410 is inserted in connecting rod 400 by through-hole, so that spring compressor 414 is against installation
End 220.It is inserted in connecting rod 400 and against spring 412, interconnecting piece 310 one end that interconnecting piece 310 is parallel to installation end 220
The upper end of opposite connecting rod 400 is removably nested in connecting rod 400 by a preload piece 420 and compressed spring 412
To a safe altitude.Preload piece 420 is nut, and connecting rod 400 is conductive metal screw, preload piece 420 and connecting rod 400
Upper end connection not will pop up to the grounding contact 300 that limitation is nested in connecting rod 400.The fixing end 210 of earthing member 200 is logical
It crosses two groups of nuts 214 and breaker 44 is detachably connected.
Specifically, for contact portion 320 when being elevated, one end of interconnecting piece 310 can be with installation end 220 under the action of thrust
Outer end be fulcrum, the other end of interconnecting piece 310 compressed spring 412 downward in connecting rod 400, and then spring 412 generates bullet
Property power and thrust-balancing, so that it is reliably grounded to be grounded device 20.Wherein conductive metal grounding contact 300 and conductive metal
Ground connection between earthing member 200 is conductive on the one hand conductive by the contact of the outer end of installation end 220, on the other hand passes through conductive gold
It is conductive to belong to spring 412, conductive metal spring compressor 414 and conductive metal connecting rod 400.
Embodiment 4
The present embodiment provides a kind of hands injured 40, which has above-mentioned earthing or grounding means 10, earthing or grounding means 20 and connects
Any one earthing or grounding means in ground device 30, the hands injured 40 can effectively solve the high problem of traditional switch cabinet maintenance risk.
Referring to FIG. 4, Fig. 4 shows the specific structure of the hands injured 40 of this specific embodiment offer.
Access switch cabinet cabinet body (being not drawn into figure) under the promotion of hands injured wheel 42 of hands injured 40, hands injured 40 also wraps
Breaker 44 is included, earthing bar 46 is arranged on switch cabinet body, and earthing or grounding means is mounted on breaker 44, and the setting of breaker 44 exists
On cabinet bottom end 48, breaker 44 is contacted by the contact portion 320 of grounding contact 300 with earthing bar 46, wherein cabinet bottom end 48
The contact portion 320 for being less than grounding contact 300 with the difference in height of the earthing bar 46 of switch cabinet body (please refers to figure away from installation end 220
1) height.
Specifically, when switchgear needs to overhaul, pass through any one ground connection in embodiment 1, embodiment 2 and embodiment 3
The structure of device come realize hands injured 40 work good earth reliability, thus reduce service personnel maintenance high risk
Coefficient.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of earthing or grounding means, it is characterised in that:
Including earthing member and grounding contact；
The earthing member has fixing end and an installation end, and the fixing end and the installation end are not on the same line, described solid
Activity space is collectively formed in fixed end and the installation end；
The earthing member is connect by the fixing end with breaker；
The grounding contact includes interconnecting piece and contact portion, the connecting portion in the activity space, the interconnecting piece with
The installation end elastic connection, the contact portion is far from the activity space.
2. earthing or grounding means according to claim 1, it is characterised in that:
The fixing end is arranged in parallel with the installation end, and the grounding contact is detachably connected to the peace by connecting rod
It fills on end, elastic component is arranged in the connecting rod, the interconnecting piece passes through the elastic component and the installation end elastic connection.
3. earthing or grounding means according to claim 2, it is characterised in that:
The elastic component includes spring and spring compressor, and the spring is connect with the spring compressor, the spring compressor and the spring
It is sheathed in the connecting rod.
4. earthing or grounding means according to claim 3, it is characterised in that:
The interconnecting piece and the installation end flat contact, the connecting rod are arranged perpendicular to the installation end, the interconnecting piece
In the connecting rod, the both ends of the spring is connected separately with spring compressor, and described elastic component one end is by preload piece against described
Spring compressor, the elastic component other end by the spring compressor and the interconnecting piece against.
5. earthing or grounding means according to claim 4, it is characterised in that:
The one end of the interconnecting piece far from the contact portion is arc-shaped protrusion, and the preload piece is nut.
6. earthing or grounding means according to claim 3, it is characterised in that:
The interconnecting piece is obliquely installed with the installation end, and described elastic component one end is supported by the spring compressor and the installation end
Lean on, the interconnecting piece be inserted in the one end of the connecting rod far from the installation end and with the elastic component other end against.
7. earthing or grounding means according to claim 1, it is characterised in that:
The earthing member is conductive metal earthing sheet.
8. earthing or grounding means according to claim 3, it is characterised in that:
The spring is conductive metal spring, and the spring compressor is conductive metal spring cap, and the connecting rod is conductive
Metal screw.
9. earthing or grounding means according to claim 3, it is characterised in that:
The interconnecting piece and the contact portion are conductive metal, and the contact portion top is smooth arc shape.
10. a kind of hands injured, it is characterised in that:
The hands injured has earthing or grounding means of any of claims 1-9, and the hands injured further includes breaker, institute
It states earthing or grounding means to be mounted on the breaker, the breaker is contacted by the earthing or grounding means with earthing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941317.9U CN208257248U (en) | 2018-06-19 | 2018-06-19 | A kind of earthing or grounding means and hands injured |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941317.9U CN208257248U (en) | 2018-06-19 | 2018-06-19 | A kind of earthing or grounding means and hands injured |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208257248U true CN208257248U (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820941317.9U Active CN208257248U (en) | 2018-06-19 | 2018-06-19 | A kind of earthing or grounding means and hands injured |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994431A (en) * | 2019-12-13 | 2020-04-10 | 徐杰 | Low-voltage switch cabinet capable of being temporarily grounded |
-
2018
- 2018-06-19 CN CN201820941317.9U patent/CN208257248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994431A (en) * | 2019-12-13 | 2020-04-10 | 徐杰 | Low-voltage switch cabinet capable of being temporarily grounded |
| CN110994431B (en) * | 2019-12-13 | 2021-03-02 | 东营市南方电器有限责任公司 | Low-voltage switch cabinet capable of being temporarily grounded |
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