CN208954854U - Blocking device and the air switch for using the device - Google Patents
Blocking device and the air switch for using the device Download PDFInfo
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- CN208954854U CN208954854U CN201821624747.4U CN201821624747U CN208954854U CN 208954854 U CN208954854 U CN 208954854U CN 201821624747 U CN201821624747 U CN 201821624747U CN 208954854 U CN208954854 U CN 208954854U
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- latch bar
- blocking device
- air switch
- warning sign
- operation handle
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Abstract
The utility model relates to low-voltage air switch technical fields, more particularly, to a kind of blocking device and use the air switch of the device.Blocking device, including latch bar and warning sign；The latch bar is for being arranged in the obturator hernia of air switch, to limit the movement of the operation handle of the air switch；There are two link, two links are sheathed on the latch bar for the warning sign setting.Blocking device provided by the utility model can be effectively prevented from and carry out maloperation to operation handle, ensure that the safety of operating personnel and the stabilization of operating system.
Description
Technical field
The utility model relates to low-voltage air switch technical fields, more particularly, to a kind of blocking device and use the device
Air switch.
Background technique
Currently, working on low-pressure secondary circuit, according to GB26860-2011 " electric power safety working regulation (power generation
Factory and substation section) " regulation includes power failure, electrical verification, ground connection, suspension mark in the safety measure of low tension loop power failure work
Board uses insulation masking measure.Have a power failure to low-pressure secondary circuit, the power supply air of typically disconnection associated loop is opened
It closes.If but be only merely disconnection air switch, what this was very difficult to be protected for the safety of operating personnel, if air
Because maloperation is closed, the safety of the operating personnel on circuit will be on the hazard switch, after the circuit electrification that should not be charged, will make
At operating system failure or exception.
Utility model content
The first of the utility model is designed to provide a kind of blocking device, is opened with solving air existing in the prior art
Pass is easy the technical issues of being misused and bringing security risk.
The second of the utility model is designed to provide a kind of air switch, is opened with solving air existing in the prior art
Pass is easy the technical issues of being misused and bringing security risk.
Based on above-mentioned first purpose, the utility model provides a kind of blocking device, including latch bar and warning sign；
The latch bar is for being arranged in the obturator hernia of air switch, to limit the operation handle of the air switch
Movement；
There are two link, two links are sheathed on the latch bar for the warning sign setting.
Further, in certain embodiments, the both ends of the latch bar are provided with end cap, and the end cap is closed with described
Lock stick is detachably connected.
Further, in certain embodiments, the latch bar is provided with limiting slot, and the link can be limited in described
In limiting slot.
Further, in certain embodiments, the latch bar is provided with retention bead, and the retention bead is closed with described
Lock stick is detachably connected, and the retention bead can be abutted with the lower surface of the operation handle.
Further, in certain embodiments, the middle position of the latch bar is provided with recessed portion, the retention bead
Lower surface be provided with interconnecting piece, the interconnecting piece is inserted into the recessed portion.
Further, in certain embodiments, the diameter of the latch bar is 0.5~1mm.
Further, in certain embodiments, the material of the link is elastic rubber.
Further, in certain embodiments, the material of the latch bar is toughness insulating materials.
Further, in certain embodiments, the material of the warning sign is elastic rubber.
Based on above-mentioned second purpose, the utility model additionally provides a kind of air switch, including Switch main body and described
Blocking device, the Switch main body are provided with obturator hernia, and the latch bar is arranged in the obturator hernia.
Compared with prior art, the utility model has the following beneficial effects:
Blocking device provided by the utility model, including latch bar and warning sign；The latch bar is for being arranged in air
In the obturator hernia of switch, to limit the movement of the operation handle of the air switch；Warning sign setting is there are two link, and two
A link is sheathed on the latch bar.
Based on the structure, blocking device provided by the utility model can be effectively by setting latch bar and warning sign
It avoids carrying out maloperation to operation handle, ensure that the safety of operating personnel and the stabilization of operating system.When implementing, will close
It locks in stick insertion obturator hernia, so that latch bar is horizontal above or below operation handle, specifically, when needing in disconnection,
The horizontal top in operation handle of latch bar, when needing in closure, the horizontal lower section in operation handle of latch bar；Then by two
Link is respectively fitted over the both ends of latch bar, to warning sign is hung on latch bar, to warn people's No switching on or forbid
Separating brake.
Air switch provided by the utility model can be effective due to having used blocking device provided by the utility model
Ground avoids carrying out maloperation to operation handle, ensure that the safety of operating personnel and the stabilization of operating system.
In conclusion the utility model has the advantages that above-mentioned many and practical value, and there are no in similar product
Similar method is published or is used and really belongs to innovation, produces preferable practical effect, and have extensive industry valence
Value.
Attached drawing will be cooperated below, elaborated.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the blocking device that the utility model embodiment one provides；
Fig. 2 is the schematic diagram of the blocking device that provides of the utility model embodiment one in a state of use；
Fig. 3 is the structural schematic diagram for the blocking device that the utility model embodiment two provides；
Fig. 4 is the structural schematic diagram for the blocking device that the utility model embodiment three provides；
Fig. 5 is the structural schematic diagram for the blocking device that the utility model embodiment four provides；
Fig. 6 is the structural schematic diagram for the air switch that the utility model embodiment five provides；
Fig. 7 is the structural schematic diagram for the air switch that the utility model embodiment six provides.
Icon: 101- latch bar；102- operation handle；103- link；104- warning sign；105- end cap；106- limit convex
It rises；107- interconnecting piece；108- limiting slot；109- Switch main body.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., the orientation or positional relationship of instruction are orientation based on the figure or position
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This
Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy
The property wanted.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment one
Referring to figure 1 and figure 2, a kind of blocking device, including latch bar 101 and warning sign 104 are present embodiments provided；
Latch bar 101 is for being arranged in the obturator hernia of air switch, to limit the movement of the operation handle 102 of air switch；Warning
There are two link 103, two links 103 are sheathed on latch bar 101 setting of board 104.
Based on the structure, blocking device provided in this embodiment passes through setting latch bar 101 and warning sign 104, Neng Gouyou
It avoids to effect carrying out maloperation to operation handle 102, ensure that the safety of operating personnel and the stabilization of operating system.Implementing
When, latch bar 101 is inserted into obturator hernia, so that latch bar 101 is horizontal above or below operation handle 102, specifically, when
Need in disconnect when, the horizontal top in operation handle 102 of latch bar 101, when need in closure when, latch bar 101 it is horizontal
The lower section of operation handle 102；Then two links 103 are respectively fitted over to the both ends of latch bar 101, so that warning sign 104 be hung
It is located on latch bar 101, to warn people's No switching on or forbid separating brake.
Further, in certain embodiments, the diameter of latch bar 101 is 0.5~1mm.
The diameter of latch bar 101 can be adapted with the aperture of obturator hernia, be latched to be successfully inserted into latch bar 101
Kong Zhong.
Further, in certain embodiments, the material of link 103 is elastic rubber.
The material of link 103 is elastic rubber, durable convenient for link 103 to be set on latch bar 101.
Optionally, the diameter of the internal diameter of link 103 and latch bar 101 is adapted, and link 103 is set in latch bar 101
On, not only played the role of fixed latch stick 101, but also there can be preferable safety warning effect.
Insulation processing is carried out to link 103, or uses elastic insulated rubber.
Further, in certain embodiments, the material of latch bar 101 is toughness insulating materials.
Since the spacing on air switch periphery is smaller, the barred body of hard can not be directly through two or more obturator hernias, this
Sample just need latch bar 101 have certain toughness, facilitate insertion into install in different forms air switch (such as 1P be spaced apart,
2P is spaced apart or that individually installs is spaced apart) obturator hernia in.
Further, in certain embodiments, the material of warning sign 104 is elastic rubber.
Insulation processing is carried out to warning sign 104, or uses elastic insulated rubber, can be prevented during using tool,
Warning sign 104, which is accidentally fallen, causes the anomalous events such as secondary loop short circuit or ground connection in the terminal block and equipment of electrification.
Warning sign 104 in the present embodiment arranges convenient for storage, and being not in when encountering nonstandard size and being spaced apart can not
The case where installation, warning sign 104 have elasticity, can satisfy locking and listed needs that special size is spaced apart.
Warning sign 104 is equipped with caveat, such as: No switching on, someone's work.For another example: forbid operating a switch, someone's work.
Optionally, the poster on warning sign 104, which can be, is integrally formed setting with warning sign 104, is also possible to make
The used time stick-on paper etc. for being printed on poster.
It should be noted that other similar caveat can also be arranged on warning sign 104, this embodiment is not repeated.
Embodiment two
Shown in Figure 3, the present embodiment also provides a kind of blocking device, and the blocking device of the present embodiment is in embodiment
The technical solution of improvement on the basis of one, embodiment one in addition to this also belongs to the embodiment, is not repeated to describe herein.
Identical components are using the appended drawing reference being the same as example 1, herein referring to the description to embodiment one.
In certain embodiments, the both ends of latch bar 101 are provided with end cap 105, and end cap 105 and latch bar 101 are removable
Unload connection.
By the way that end cap 105 is arranged, link 103 can be effectively prevent to fall off.When in use, first the insertion of latch bar 101 is closed
In lockhole, then end cap 105 is sleeved on to the both ends of latch bar 101.
Embodiment three
Shown in Figure 4, the present embodiment also provides a kind of blocking device, and the blocking device of the present embodiment is in embodiment
The technical solution of improvement on the basis of one, embodiment one in addition to this also belongs to the embodiment, is not repeated to describe herein.
Identical components are using the appended drawing reference being the same as example 1, herein referring to the description to embodiment one.
In certain embodiments, latch bar 101 is provided with retention bead 106, and retention bead 106 and latch bar 101 are removable
Connection is unloaded, retention bead 106 can be abutted with the lower surface of operation handle 102.
When needing to maintain "on" position, latch bar 101 is located at the lower section of operation handle 102, operation handle 102 have to
A possibility that lower mobile, protects at this point, operation handle 102 can be further prevented to move downward by setting retention bead 106
Personnel and system safety are demonstrate,proved.
Further, in certain embodiments, the middle position of latch bar 101 is provided with recessed portion, retention bead 106
Lower surface is provided with interconnecting piece 107, and interconnecting piece 107 is inserted into recessed portion.
Optionally, recessed portion can be blind hole, or through-hole.Interconnecting piece 107 can be column structure.Such side
Formula not only will not influence latch bar 101 across obturator hernia, but also retention bead 106 easily can be mounted on latch bar
On 101.
It should be noted that the technical solution of embodiment two is also applied for the present embodiment.
Example IV
Shown in Figure 5, the present embodiment also provides a kind of blocking device, and the blocking device of the present embodiment is in embodiment
The technical solution of improvement on the basis of one, embodiment one in addition to this also belongs to the embodiment, is not repeated to describe herein.
Identical components are using the appended drawing reference being the same as example 1, herein referring to the description to embodiment one.
Further, in certain embodiments, latch bar 101 is provided with limiting slot 108, and link 103 can be limited in limit
In the slot 108 of position.
By the way that limiting slot 108 is arranged on latch bar 101, latch bar 101 not only will not influence across obturator hernia, Er Qieneng
It is enough that link 103 is fixed on latch bar 101, prevent link 103 from falling off.
Optionally, the quantity of limiting slot 108 can be one, or multiple, multiple limiting slots 108 are along latch bar
101 length direction interval setting, to adapt to different air switches.
Optionally, limiting slot 108 is annular groove.
It should be noted that the technical solution of embodiment three is also applied for the present embodiment.
Embodiment five
It is shown in Figure 6, present embodiments provide a kind of air switch, including Switch main body 109 and the utility model reality
The blocking device of the offer of example one is applied, Switch main body 109 is provided with obturator hernia, and latch bar 101 is arranged in obturator hernia.
Air switch provided in this embodiment, due to the blocking device for having used the utility model embodiment one to provide, energy
It is enough effectively prevented from and maloperation is carried out to operation handle 102, ensure that the safety of operating personnel and the stabilization of operating system.
Embodiment six
It is shown in Figure 7, present embodiments provide a kind of air switch, including Switch main body 109 and the utility model reality
The blocking device of the offer of example three is applied, Switch main body 109 is provided with obturator hernia, and latch bar 101 is arranged in obturator hernia.
Air switch provided in this embodiment, due to the blocking device for having used the utility model embodiment three to provide, energy
It is enough effectively prevented from and maloperation is carried out to operation handle 102, ensure that the safety of operating personnel and the stabilization of operating system.
When needing to maintain "on" position, latch bar 101 is located at the lower section of operation handle 102, operation handle 102 have to
A possibility that lower mobile, protects at this point, operation handle 102 can be further prevented to move downward by setting retention bead 106
Personnel and system safety are demonstrate,proved.
It should be noted that air switch provided in this embodiment, can also use the utility model embodiment two and reality
The blocking device of the offer of example four is provided.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of blocking device, which is characterized in that including latch bar and warning sign；
The latch bar is for being arranged in the obturator hernia of air switch, to limit the fortune of the operation handle of the air switch
It is dynamic；
There are two link, two links are sheathed on the latch bar for the warning sign setting.
2. blocking device according to claim 1, which is characterized in that the both ends of the latch bar are provided with end cap, institute
End cap is stated to be detachably connected with the latch bar.
3. blocking device according to claim 1, which is characterized in that the latch bar is provided with limiting slot, the link
It can be limited in the limiting slot.
4. blocking device according to any one of claim 1 to 3, which is characterized in that the latch bar is provided with limit
Protrusion, the retention bead are detachably connected with the latch bar, and the retention bead can be with the following table of the operation handle
Face abuts.
5. blocking device according to claim 4, which is characterized in that the middle position of the latch bar is provided with recess
Portion, the lower surface of the retention bead are provided with interconnecting piece, and the interconnecting piece is inserted into the recessed portion.
6. blocking device according to any one of claim 1 to 3, which is characterized in that the diameter of the latch bar is 0.5
~1mm.
7. blocking device according to any one of claim 1 to 3, which is characterized in that the material of the link is elasticity
Rubber.
8. blocking device according to any one of claim 1 to 3, which is characterized in that the material of the latch bar is tough
Property insulating materials.
9. blocking device according to any one of claim 1 to 3, which is characterized in that the material of the warning sign is bullet
Property rubber.
10. a kind of air switch, which is characterized in that including Switch main body and locking as claimed in any one of claims 1-9 wherein
Device, the Switch main body are provided with obturator hernia, and the latch bar is arranged in the obturator hernia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821624747.4U CN208954854U (en) | 2018-10-08 | 2018-10-08 | Blocking device and the air switch for using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821624747.4U CN208954854U (en) | 2018-10-08 | 2018-10-08 | Blocking device and the air switch for using the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208954854U true CN208954854U (en) | 2019-06-07 |
Family
ID=66740543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821624747.4U Active CN208954854U (en) | 2018-10-08 | 2018-10-08 | Blocking device and the air switch for using the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208954854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117167A (en) * | 2020-09-18 | 2020-12-22 | 广东电网有限责任公司梅州供电局 | Air switch misoperation prevention device |
| CN112309790A (en) * | 2020-11-09 | 2021-02-02 | 国网上海市电力公司 | Lock catch capable of preventing air switch from being mistakenly closed and having warning function |
-
2018
- 2018-10-08 CN CN201821624747.4U patent/CN208954854U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117167A (en) * | 2020-09-18 | 2020-12-22 | 广东电网有限责任公司梅州供电局 | Air switch misoperation prevention device |
| CN112117167B (en) * | 2020-09-18 | 2023-05-05 | 广东电网有限责任公司梅州供电局 | Misoperation prevention device for air switch |
| CN112309790A (en) * | 2020-11-09 | 2021-02-02 | 国网上海市电力公司 | Lock catch capable of preventing air switch from being mistakenly closed and having warning function |
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