CN207303034U - A kind of all insulation fuse switch - Google Patents
A kind of all insulation fuse switch Download PDFInfo
- Publication number
- CN207303034U CN207303034U CN201721368070.8U CN201721368070U CN207303034U CN 207303034 U CN207303034 U CN 207303034U CN 201721368070 U CN201721368070 U CN 201721368070U CN 207303034 U CN207303034 U CN 207303034U
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- fuse switch
- static contact
- insulation
- contact
- insulation fuse
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Abstract
It the utility model is related to a kind of all insulation fuse switch, with expulsion tube, upper moving contact, lower moving contact, upper static contact and lower static contact, wherein upper moving contact, lower moving contact are installed on expulsion tube both ends, upper static contact is connected by the first conducting bolt with the first wire connection terminal, and lower static contact is connected by the second conducting bolt with the second wire connection terminal；Also there is the U-shaped insulator that section is U-shaped, expulsion tube is installed in the U-lag mouth of U-shaped insulator by upper static contact and lower static contact.By upper and lower contact completely as in the groove of U-shaped insulator, disengaging line terminals are covered the utility model all insulation fuse switch with insulation sleeve, are made current-carrying part not exposed, can be avoided above-mentioned security risk completely.
Description
Technical field
A kind of fuse is the utility model is related to, is specially a kind of all insulation fuse switch.
Background technology
Fuse switch is high-tension distributing line branch line and a kind of most common protective switch of the short circuit of distribution transformer,
It has the characteristics that economical, easy to operate, adaptation outdoor environment is strong, is widely used in high-tension distributing line and distribution transformer
Device primary side, is used as protecting and carry out equipment throwing, cut operation.
Under normal conditions, contact, wire connection terminal and current-carrying part are completely exposed in air fuse switch up and down, cruelly
The electric appliance contact being exposed in air does not meet security regulations, particularly the increasingly intensive crowd activity region in town and country, because
Resident hangs debris or branch and drops the short-circuit defect to be formed, and the electric shock disturbance that child climbs line bar is commonplace, gives people the people's livelihood
Producing work brings not small threat, including power outage caused by various alien materials to take place frequently, while also have impact on relevant industries
Production and living.
Utility model content
For contact, wire connection terminal and current-carrying part are completely exposed to air above and below fuse switch in the prior art
In, give people the deficiencies of people's production and living bring threat, problem to be solved in the utility model, which is to provide one kind, to be avoided completely
State security risk all insulation fuse switch.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of all insulation fuse switch of the utility model, has expulsion tube, upper moving contact, lower moving contact, upper stationary contact
Head and lower static contact, wherein upper moving contact, lower moving contact are installed on expulsion tube both ends, upper static contact passes through the first conducting bolt
It is connected with the first wire connection terminal, lower static contact is connected by the second conducting bolt with the second wire connection terminal；It is U-shaped also to have section
U-shaped insulator, expulsion tube is installed on by upper static contact and lower static contact in the U-lag mouth of U-shaped insulator.
U-shaped insulator is strip U-shaped groove structure, and upper end is equipped with insulator upper cover.
U-lag is equipped with full skirt.
Also there is insulation sleeve, be sleeved on outside first and second wire connection terminal.
First and second connection terminal structure is identical, includes carrying including terminal body and locking nut, wherein terminal body
Externally threaded hollow tube and clamp jaw, clamp jaw are multijaw structure, and radix unguis is connected with hollow tube one end, locking nut and terminal
Body is connected through a screw thread.
To open the multijaw structure that multiple grooves are formed in hollow tube one end, the pawl end of each pawl is conformed with clamp jaw, is dashed forward
Play outside and be equipped with and agree with angle with the body that locking nut is matched for clamping tightly.
Locking nut center section is threading hole, and threading hole one end inner wall is taper type, the side of frustum and the angle of axis
That is nut agrees with angle with the body of clamp jaw to agree with angle identical.
Clamp jaw is 3~24, is uniformly distributed on hollow tube end circumference.
The utility model has the advantages that and advantage：
1. the utility model all insulation fuse switch by upper and lower contact completely as in the groove of U-shaped insulator, into
Outlet terminal is covered with insulation sleeve, makes current-carrying part not exposed, can avoid above-mentioned security risk completely.
2. the wire connection terminal that the utility model uses, eliminates installation bolt, Cu-AL pipe terminal or copper tip, it is not necessary to specially
Pressing mold clamps depressor, that is, reduces cost, and has saved the construction time, and insulating sheath is also more attractive, and insulation effect is more preferable.
3. the utility model is simple in structure, practical, the protection as high-tension distributing line branch line and distribution transformer is opened
Close, securely and reliably, suitable for promoting.
Brief description of the drawings
Fig. 1 is the utility model structure partial sectional view；
Fig. 2 is the utility model overall structure diagram；
Fig. 3 is U-shaped insulator structure schematic diagram in the utility model；
Fig. 4 A are the utility model middle connecting terminal body part structure diagram；
Fig. 4 B are the right view of Fig. 4 A；
Fig. 5 A are the utility model middle connecting terminal locking nut structure schematic diagram；
Fig. 5 B are the right view of Fig. 5 A；
Fig. 6 is the utility model general structure schematic diagram.
Fig. 7 is insulated aerial cable structure diagram in the utility model.
Wherein, 1 is U-shaped insulator, and 2 be upper moving contact, and 3 be lower moving contact, and 4 be upper static contact, and 5 be lower static contact, 6a
For the first conducting bolt, 6b is the second conducting bolt, and 7a is the first wire connection terminal, and 7b is the second wire connection terminal, and 8a is exhausted for first
Edge set, 8b are the second insulation sleeve, and 9a is the first insulated aerial cable, and 9b is the second insulated aerial cable, and 10 be expulsion tube, and 11 are
Insulator upper cover, 12 be full skirt, and 13 be terminal body, and 1301 be clamp jaw, and 1302 be groove, and 1303 be external screw thread, and 1304 be this
Body agrees with angle, and 15 be locking nut, and 1501 be internal thread, and 1502 agree with angle for nut, and 1503 be threading hole, and 16 be conduction
Core, 17 be insulated hull,
Embodiment
The utility model is further elaborated with reference to Figure of description.
As shown in Figure 1, 2, a kind of all insulation fuse switch of the utility model, have expulsion tube 10, it is upper it is dynamic touch 2, under
Moving contact 3, upper static contact 4 and lower static contact 5, wherein upper moving contact 2, lower moving contact 3 are installed on the both ends of expulsion tube 10, on
Static contact 4 is connected by the first conducting bolt 6a with the first wire connection terminal 7a, and 5 lower static contacts pass through the second conducting bolt 6b and
Two wire connection terminal 7b connections；Also there is the U-shaped insulator 1 that section is U-shaped, expulsion tube 10 passes through upper static contact 2 and lower static contact 3
In the U-lag mouth of U-shaped insulator 10.
As shown in figure 3, it is rotated by 90 ° to the right for 10 bottom view of U-shaped insulator in Fig. 1.U-shaped insulator 10 is strip U
Shape slot structure, upper end are insulator upper cover 11, and upper dynamic 2, the 4 and first conducting bolt 6a of upper static contact that touches is blocked and insulated
In sub- upper cover 11.Lower moving contact 3,5 and second conducting bolt 6b of lower static contact are blocked 10 bottom of U-shaped insulator；U
Full skirt 12 is equipped with the outside of shape groove, middle part is equipped with installing plate without full skirt part, U-shaped insulator 10 is fixed in line bar.In this way, U
Shape insulator 1 cover moving contact 2, lower moving contact 3, upper static contact 4, lower static contact 5, first and second conducting bolt 6a, 6b and
Expulsion tube 10.
The utility model also has insulation sleeve, is sleeved on outside wire connection terminal.In the present embodiment, insulation sleeve is two, i.e., the
One insulation sleeve 8a and the second insulation sleeve 8b, is nested with outside the first wire connection terminal 7a and the second wire connection terminal 7b respectively.
As shown in Fig. 4 A, 4B, 5A, 5B, first and second wire connection terminal 7a, 7b structure is identical, including terminal body 13 and lock
Tight nut 15, terminal body 13 include hollow tube and clamp jaw 1301 with external screw thread 1303, and clamp jaw 1301 is multijaw knot
Structure, radix unguis are connected with hollow tube end, and locking nut 15 is connected through a screw thread with terminal body 13.
In the present embodiment, clamp jaw 1301 is opens the multijaw structure that multiple grooves 1302 are formed in hollow tube one end, each
Pawl 1304.The monodactyle quantity of clamp jaw is 3~24, is determined according to the line footpath of connecting cable, and the present embodiment is 6.
15 center section of locking nut is threading hole, makes cable can be to pass through；Threading hole one end inner wall is taper type, frustum
Side and angle, that is, nut of axis agree with angle 1502 with 1301 body to agree with angle 1304 identical.
13 one end of terminal body of wire connection terminal is base, is connected with equipment, the other end is head, equipped with clamp jaw
1301, terminal body 13 is equipped with outer 1303 screw thread；Internal thread 1501 is equipped with locking nut 15, the middle part of locking nut 15 is to wear
String holes 1503, makes cable can be to pass through.
Before use, terminal body 13 and locking nut 15 are releasing orientation.As shown in fig. 6, cable core is passed through during use
The threading hole 1503 at the middle part of locking nut 15, and inserted by clamp jaw 1301 in terminal body 13；The tight locking nut 15 of turn,
The body at 1301 pawl end of clamp jaw, which agrees with angle 1304, to be agreed with angle 1502 with the nut of locking nut 15 and is engaged, and makes clamp jaw
1301 inwardly tightenings, enable clamping cables, by insulated aerial cable lock (as shown in Figure 7) on wire connection terminal,
By above structure setting, the conductive component in the utility model is not completely exposed, reaches all insulation effect.
Claims (8)
- A kind of 1. all insulation fuse switch, it is characterised in that：With expulsion tube, upper moving contact, lower moving contact, upper static contact And lower static contact, wherein upper moving contact, lower moving contact are installed on expulsion tube both ends, upper static contact by the first conducting bolt and First wire connection terminal connects, and lower static contact is connected by the second conducting bolt with the second wire connection terminal；Also there is section for U-shaped U-shaped insulator, expulsion tube are installed in the U-lag mouth of U-shaped insulator by upper static contact and lower static contact.
- 2. all insulation fuse switch as described in claim 1, it is characterised in that：U-shaped insulator is strip U-lag knot Structure, upper end are equipped with insulator upper cover.
- 3. all insulation fuse switch as described in claim 2, it is characterised in that：U-lag is equipped with full skirt.
- 4. all insulation fuse switch as described in claim 1, it is characterised in that：Also there is insulation sleeve, be sleeved on first and second and connect Outside line terminals.
- 5. all insulation fuse switch as described in claim 1, it is characterised in that：First and second connection terminal structure is identical, Including terminal body and locking nut, wherein terminal body includes carrying externally threaded hollow tube and clamp jaw, and clamp jaw is more Pawl structure, radix unguis are connected with hollow tube one end, and locking nut is connected through a screw thread with terminal body.
- 6. all insulation fuse switch as described in claim 5, it is characterised in that：Clamp jaw is more to be opened in hollow tube one end A groove and the multijaw structure formed, the pawl end of each pawl are conformed with, the sheet being matched for clamping tightly with locking nut is equipped with the outside of projection Body agrees with angle.
- 7. all insulation fuse switch as described in claim 5, it is characterised in that：Locking nut center section is threading Hole, threading hole one end inner wall are taper type, and the side of frustum and angle, that is, nut of axis agree with angle and the body contract of clamp jaw Close angle degree is identical.
- 8. all insulation fuse switch as described in claim 5, it is characterised in that：Clamp jaw is 3~24, is uniformly distributed In on hollow tube end circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368070.8U CN207303034U (en) | 2017-10-23 | 2017-10-23 | A kind of all insulation fuse switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368070.8U CN207303034U (en) | 2017-10-23 | 2017-10-23 | A kind of all insulation fuse switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207303034U true CN207303034U (en) | 2018-05-01 |
Family
ID=62273178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721368070.8U Active CN207303034U (en) | 2017-10-23 | 2017-10-23 | A kind of all insulation fuse switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207303034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449067A (en) * | 2018-12-19 | 2019-03-08 | 国网上海市电力公司 | A kind of external fusion tube all insulation fuse switch |
| CN109713485A (en) * | 2018-12-19 | 2019-05-03 | 国网上海市电力公司 | A kind of fuse hot plugging connector assembly |
-
2017
- 2017-10-23 CN CN201721368070.8U patent/CN207303034U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449067A (en) * | 2018-12-19 | 2019-03-08 | 国网上海市电力公司 | A kind of external fusion tube all insulation fuse switch |
| CN109713485A (en) * | 2018-12-19 | 2019-05-03 | 国网上海市电力公司 | A kind of fuse hot plugging connector assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190326 Address after: 116000 Xiushan Road, Ganjingzi District, Dalian City, Liaoning Province, 17 Co-patentee after: Du Yuqing Patentee after: Liu Liang Co-patentee after: Li Zhen Co-patentee after: Wang Hanshen Co-patentee after: Qi Jun Co-patentee after: Wang Jihong Co-patentee after: Che Jiantao Co-patentee after: Wei Minjie Address before: 118000 No. 59 Orchard Road, Zhenan District, Dandong City, Liaoning Province Patentee before: LIAONING YUGUANG POWER TRANSMISSION AND TRANSFORMATION CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190906 Address after: 116000 No. 102, Zhongshan, Dalian District, Liaoning, Zhongshan Road Co-patentee after: Dalian Jiahe Li Science and Technology Development Co., Ltd. Patentee after: Dalian Power Supply Company, State Grid Liaoning Electric Power Co., Ltd. Address before: 116000 Xiushan Road, Ganjingzi District, Dalian City, Liaoning Province, 17 Co-patentee before: Du Yuqing Patentee before: Liu Liang Co-patentee before: Li Zhen Co-patentee before: Wang Hanshen Co-patentee before: Qi Jun Co-patentee before: Wang Jihong Co-patentee before: Che Jiantao Co-patentee before: Wei Minjie |