CN208140873U - A kind of insulating sleeve - Google Patents
A kind of insulating sleeve Download PDFInfo
- Publication number
- CN208140873U CN208140873U CN201820734453.0U CN201820734453U CN208140873U CN 208140873 U CN208140873 U CN 208140873U CN 201820734453 U CN201820734453 U CN 201820734453U CN 208140873 U CN208140873 U CN 208140873U
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- CN
- China
- Prior art keywords
- insulating sleeve
- metal bar
- auxiliary section
- insulating body
- insulating
- 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.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 48
- 238000009413 insulation Methods 0.000 claims abstract description 31
- 230000000903 blocking effect Effects 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000007599 discharging Methods 0.000 description 10
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a kind of insulating sleeve, is related to technical field of electric power.Insulating sleeve includes insulating body, insulation blocking cap and sealing.Insulating body has the metal bar accommodating cavity through first end and second end.Insulation blocking cap offers holding tank on the direction of closed end from the end face of connecting pin.Sealing has opposite third end and the 4th end, sealing has the through-hole through third end and the 4th end, and third end is connect with second end, and the 4th end is provided with diaphragm seal, diaphragm seal is used to be bonded the outer wall of metal bar, and diaphragm seal is configured to axis shift of the limitation insulating sleeve relative to metal bar.By using the insulating sleeve, when carrying out the correlation test of arrester, it can not have to remove metal bar, improve work efficiency.
Description
Technical field
The utility model relates to technical field of electric power, in particular to a kind of insulating sleeve.
Background technique
Arrester is connected between cable and the earth, usually in parallel with protected device.Arrester can be effectively protected
Communication equipment, once there is abnormal voltage, arrester will be acted, and be played a protective role.When the communications cable or equipment exist
When running under normal working voltage, arrester will not generate effect, be considered as open circuit for ground.Once there is high voltage, and
When jeopardizing protected device insulation, arrester acts immediately, by high-voltage impact conduct current the earth, to limit voltage amplitude
Value protects the communications cable and apparatus insulated.After having served as loss of voltage, arrester restores to the original state rapidly, makes the normal work of communication line
Make.
In the correlation test of arrester, high pressure generator is generally utilized, by high-voltage connection, arrester is applied specific
High pressure obtains corresponding test data.If arrester is provided with discharging gap, since discharging gap is there are two metal bars, it is
Electric discharge phenomena are avoided the occurrence of, need to remove a wherein metal bar for discharging gap when being tested, time-consuming effort, are imitated
Rate is low.
Utility model content
The purpose of this utility model is to provide a kind of insulating sleeves to carry out arrester by using the insulating sleeve
Correlation test when, can not have to remove metal bar, improve work efficiency.
What the embodiments of the present invention were realized in:
A kind of insulating sleeve, including:
Insulating body, insulating body have opposite first end and second end, and insulating body has through first end and the
The metal bar accommodating cavity at two ends;
Insulate blocking cap, and insulation blocking cap has opposite closed end and connecting pin, and insulation blocking cap is from the end face of connecting pin to envelope
Holding tank is offered on the direction of closed end, connecting pin is connect with first end;
Sealing, sealing have opposite third end and the 4th end, and sealing has through third end and the 4th end
Through-hole, third end are connect with second end, and the 4th end is provided with diaphragm seal, and diaphragm seal is used to be bonded the outer wall of metal bar, diaphragm seal
It is configured to axis shift of the limitation insulating sleeve relative to metal bar.
Inventor's discovery:In the correlation test of arrester, high pressure generator is generally utilized, by high-voltage connection, to keeping away
Thunder device applies certain high pressure, obtains corresponding test data.If arrester is provided with discharging gap, since there are two for discharging gap
Root metal bar needs to remove a wherein metal bar for discharging gap to avoid the occurrence of electric discharge phenomena, when being tested,
Time-consuming effort, inefficiency.
For this purpose, inventor devises above-mentioned insulating sleeve, by using the insulating sleeve, in the test for carrying out arrester
When, the metal bar for removing discharging gap can not had to, improved work efficiency.Specifically, metal bar is sheathed on by insulating sleeve
On, and it is extraneous to substitute the effect for removing metal bar that metal bar is electrically isolated from.Specifically, insulating sleeve include insulating body,
Insulate blocking cap and sealing.Wherein, insulating body, insulation blocking cap and sealing all have the characteristic of insulation, in insulating body
Metal bar accommodating cavity be used for accommodate metal bar ontology and metal bar tip, tip wears metal bar accommodating cavity position
In the holding tank of insulation blocking cap, by insulating body and insulation blocking cap, to prevent the point discharge of metal bar.Meanwhile to keep away
Exempt from the axial displacement of insulating sleeve, and guarantee the validity of insulation, sealing is set, by the diaphragm seal of sealing, so that
Insulating sleeve is able to maintain the relative positional relationship with metal bar.Using the insulating sleeve, when carrying out the correlation test of arrester,
It can not have to remove metal bar, improve work efficiency.
In an embodiment of the present invention:
Connecting pin is detachably connected with first end.
In an embodiment of the present invention:
The periphery of insulating body is provided with the first auxiliary section, and the first auxiliary section is close to first end;
The inner wall of holding tank is provided with the second auxiliary section, and the second auxiliary section is close to connecting pin;
First auxiliary section removably cooperates with the second auxiliary section.
In an embodiment of the present invention:
First auxiliary section is the convex block for being convexly equipped in the periphery of insulating body;
The second auxiliary section be the groove for being opened in the inner wall of holding tank, convex block and groove cooperate.
In an embodiment of the present invention:
Second auxiliary section includes the first groove and the second groove;
First groove is upwardly extended from the end face of connecting pin and to the side of closed end, and the second groove extends the first groove simultaneously
Axis around holding tank extends.
In an embodiment of the present invention:
Insulation blocking cap is threadedly coupled with insulating body.
In an embodiment of the present invention:
Third end and second end are detachably connected.
In an embodiment of the present invention:
Third end is threadedly coupled with second end.
In an embodiment of the present invention:
Diaphragm seal is the rubber seal ring for being set to the 4th end, and rubber seal ring and metal bar accommodating cavity are coaxial.
In an embodiment of the present invention:
Insulating body is rubber matrix.
The technical solution of the utility model at least has the advantages that:
A kind of insulating sleeve provided by the utility model, by using the insulating sleeve, in the related examination for carrying out arrester
When testing, it can not have to remove metal bar, improve work efficiency.
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 insulating sleeve in the utility model embodiment 1;
Fig. 2 is the structural schematic diagram of insulating body in the utility model embodiment 1;
Fig. 3 is structural schematic diagram of the insulation blocking cap under the first visual angle in the utility model embodiment 1;
Fig. 4 is structural schematic diagram of the insulation blocking cap under the second visual angle in the utility model embodiment 1.
Icon:10- insulating sleeve;11- insulating body;12- insulation blocking cap;13- sealing;The first auxiliary section 71-;72-
Second auxiliary section;80- holding tank;90- metal bar accommodating cavity;The closed end 120-;130- diaphragm seal;The first groove of 721-;
The second groove of 722-.
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 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
The present embodiment provides a kind of insulating sleeves 10, by using the insulating sleeve 10, in the related examination for carrying out arrester
When testing, it can not have to remove metal bar, improve work efficiency.
Referring to FIG. 1, Fig. 1 shows the specific structure of insulating sleeve 10 in the present embodiment.
Insulating sleeve 10 includes insulating body 11, insulation blocking cap 12 and sealing 13.
Fig. 2, Fig. 3 and Fig. 4 are please referred to, Fig. 2 shows the specific structures of insulating body 11 in the present embodiment.Fig. 3 is shown
Specific structure of the insulation blocking cap 12 under the first visual angle in the present embodiment, Fig. 4 show the blocking cap 12 that insulate in the present embodiment and exist
Specific structure under second visual angle
Insulating body 11 has opposite first end and second end, and insulating body 11 has through first end and second end
Metal bar accommodating cavity 90.It should be noted that insulating body 11 is rubber matrix in the present embodiment, in other specific implementations
In mode, insulating body 11 can also be made for other insulating materials.
The blocking cap 12 that insulate has opposite closed end 120 and connecting pin, and insulation blocking cap 12 is from the end face of connecting pin to closing
Holding tank 80 is offered on the direction at end 120, connecting pin is connect with first end.
Sealing 13 has opposite third end and the 4th end, and sealing 13 has through the logical of third end and the 4th end
Hole, third end are connect with second end, and the 4th end is provided with diaphragm seal 130, and diaphragm seal 130 is used to be bonded the outer wall of metal bar, close
Mounting 130 is configured to axis shift of the limitation insulating sleeve 10 relative to metal bar.
Specifically, in the present embodiment, connecting pin and first end are detachably connected, that is, insulating body 11 and insulation are stifled
It is design for disassembly between cap 12, replacement easy to disassemble.
Specifically, the periphery of insulating body 11 is provided with the first auxiliary section 71, and the first auxiliary section 71 is accommodated close to first end
The inner wall of slot 80 is provided with the second auxiliary section 72, and the second auxiliary section 72 is close to connecting pin.First auxiliary section 71 and the second auxiliary section
72 removably cooperate.
Further, in the present embodiment, the first auxiliary section 71 is the convex block for being convexly equipped in the periphery of insulating body 11, second
Auxiliary section 72 is the groove for being opened in the inner wall of holding tank 80, and convex block and groove cooperate.To realize that insulating body 11 and insulation are stifled
Stablize cooperation between cap 12, the second auxiliary section 72 includes the first groove 721 and the second groove 722, and the first groove 721 is by connecting
The end face at end is simultaneously upwardly extended to the side of closed end 120, and the second groove 722 extends first groove 721 and around holding tank
80 axis extends.First auxiliary section 71 can sequentially enter the first groove 721 and the second groove 722, realize stable connection.
It should be noted that insulation blocking cap 12 and insulating body 11 can also be screw thread in other specific embodiments
Connection.
Further, in this embodiment third end and second end are detachably connected, that is, insulating body 11 and sealing
13 is detachably connected.Specifically, third end is threadedly coupled with second end.
Specifically, in the present embodiment, diaphragm seal 130 is the rubber seal ring for being set to the 4th end, rubber seal ring with
Metal bar accommodating cavity 90 is coaxial.
Inventor's discovery:In the correlation test of arrester, high pressure generator is generally utilized, by high-voltage connection, to keeping away
Thunder device applies certain high pressure, obtains corresponding test data.If arrester is provided with discharging gap, since there are two for discharging gap
Root metal bar needs to remove a wherein metal bar for discharging gap to avoid the occurrence of electric discharge phenomena, when being tested,
Time-consuming effort, inefficiency.
For this purpose, inventor devises above-mentioned insulating sleeve 10, by using the insulating sleeve 10, in the examination for carrying out arrester
When testing, it can not have to remove metal bar, improve work efficiency.Specifically, it is sheathed on metal bar, and made by insulating sleeve 10
It obtains metal bar and electrically isolates from the extraneous effect to substitute dismounting metal bar.Specifically, insulating sleeve 10 includes insulating body 11, insulation
Blocking cap 12 and sealing 13.Wherein, insulating body 11, insulation blocking cap 12 and sealing 13 all have the characteristic of insulation, insulation
Metal bar accommodating cavity 90 in matrix 11 is used to accommodate the ontology of metal bar and the tip of metal bar, and tip wears metal bar
Accommodating cavity 90 is located in the holding tank 80 of insulation blocking cap 12, by insulating body 11 and insulation blocking cap 12, to prevent metal bar
Point discharge.Meanwhile the axial displacement to avoid insulating sleeve 10, and guarantee the validity of insulation, sealing 13 is set,
By the diaphragm seal 130 of sealing 13, so that insulating sleeve 10 is able to maintain the relative positional relationship with metal bar.Use the insulation
Sleeve 10 can not have to remove metal bar, improve work efficiency when carrying out the correlation test of arrester.
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 insulating sleeve, which is characterized in that including:
Insulating body, the insulating body have opposite first end and second end, and the insulating body has through described the
The metal bar accommodating cavity of one end and the second end;
Insulate blocking cap, and the insulation blocking cap has opposite closed end and connecting pin, and the insulation blocking cap is by the connecting pin
End face offers holding tank on the direction of the closed end, and the connecting pin is connect with the first end;
Sealing, the sealing have opposite a third end and the 4th end, the sealing have through the third end and
The through-hole at the 4th end, the third end are connect with the second end, and the 4th end is provided with diaphragm seal, and the diaphragm seal is used for
It is bonded the outer wall of the metal bar, the diaphragm seal is configured to limit axis of the insulating sleeve relative to the metal bar
Displacement.
2. insulating sleeve according to claim 1, it is characterised in that:
The connecting pin and the first end are detachably connected.
3. insulating sleeve according to claim 2, it is characterised in that:
The periphery of the insulating body is provided with the first auxiliary section, and first auxiliary section is close to the first end;
The inner wall of the holding tank is provided with the second auxiliary section, and second auxiliary section is close to the connecting pin;
First auxiliary section removably cooperates with second auxiliary section.
4. insulating sleeve according to claim 3, it is characterised in that:
First auxiliary section is the convex block for being convexly equipped in the periphery of the insulating body;
Second auxiliary section is the groove for being opened in the inner wall of the holding tank, and the convex block and the groove cooperate.
5. insulating sleeve according to claim 4, it is characterised in that:
Second auxiliary section includes the first groove and the second groove;
First groove is upwardly extended from the end face of the connecting pin and to the side of the closed end, and second groove extends
Extend in first groove and around the axis of the holding tank.
6. insulating sleeve according to claim 2, it is characterised in that:
The insulation blocking cap is threadedly coupled with the insulating body.
7. insulating sleeve according to claim 1, it is characterised in that:
The third end and the second end are detachably connected.
8. insulating sleeve according to claim 7, it is characterised in that:
The third end is threadedly coupled with the second end.
9. insulating sleeve according to claim 1, it is characterised in that:
The diaphragm seal is the rubber seal ring for being set to the 4th end, and the rubber seal ring and the metal bar accommodate empty
Chamber is coaxial.
10. insulating sleeve according to claim 1, it is characterised in that:
The insulating body is rubber matrix.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820734453.0U CN208140873U (en) | 2018-05-16 | 2018-05-16 | A kind of insulating sleeve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820734453.0U CN208140873U (en) | 2018-05-16 | 2018-05-16 | A kind of insulating sleeve |
Publications (1)
Publication Number | Publication Date |
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CN208140873U true CN208140873U (en) | 2018-11-23 |
Family
ID=64313910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820734453.0U Expired - Fee Related CN208140873U (en) | 2018-05-16 | 2018-05-16 | A kind of insulating sleeve |
Country Status (1)
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CN (1) | CN208140873U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111077393A (en) * | 2019-12-24 | 2020-04-28 | 广东电网有限责任公司 | Analog switch |
-
2018
- 2018-05-16 CN CN201820734453.0U patent/CN208140873U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111077393A (en) * | 2019-12-24 | 2020-04-28 | 广东电网有限责任公司 | Analog switch |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 |