CN203491206U - A handle of an oil-immersed fuse - Google Patents

A handle of an oil-immersed fuse Download PDF

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Publication number
CN203491206U
CN203491206U CN201320577993.XU CN201320577993U CN203491206U CN 203491206 U CN203491206 U CN 203491206U CN 201320577993 U CN201320577993 U CN 201320577993U CN 203491206 U CN203491206 U CN 203491206U
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CN
China
Prior art keywords
handle
connecting rod
rod
small
column cap
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.)
Withdrawn - After Issue
Application number
CN201320577993.XU
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Chinese (zh)
Inventor
王碧云
钱勇杰
杨立虹
何灵均
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI ELECTRIC CERAMIC WORKS CO Ltd
Original Assignee
SHANGHAI ELECTRIC CERAMIC WORKS CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI ELECTRIC CERAMIC WORKS CO Ltd filed Critical SHANGHAI ELECTRIC CERAMIC WORKS CO Ltd
Priority to CN201320577993.XU priority Critical patent/CN203491206U/en
Application granted granted Critical
Publication of CN203491206U publication Critical patent/CN203491206U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses a handle of an oil-immersed fuse. The handle has the functions of moving timely and triggering a signal output device when the fuse moves. The handle comprises a handle body, a sealing cover, a pull rod, and a linkage mechanism which are successively connected. The pull rod comprises a large cylindrical head and a large connecting rod. The linkage mechanism comprises a small connecting rod, a front limiting screw, and a rear limiting screw. The front end and the rear end of the small connecting rod are respectively provided with a flange on the radial side, the thickness of each flange is smaller than the width of a groove in the large connecting rod. The two flanges are respectively and axially provided with a thread through hole. The small connecting rod is arranged in parallel with the large connecting rod in an axial moving manner. The screw head of the front limiting screw is located in a front inner hole of the large cylindrical head, the rod portion of the front limiting screw is inserted in a rear inner hole of the large cylindrical head in a movable manner and is in threaded connection with the thread through hole of the flange at the front end of the small connecting rod. The screw head of the rear limiting screw is located in a middle inner hole in handle body and in a middle inner hole of the sealing cover, and the rod portion of the rear limiting screw is inserted into a front inner hole of the handle and in a front inner hole of the sealing cover in a movable manner and is in threaded connection with the thread through hole of the flange at the rear end of the small connecting rod.

Description

A kind of handle for oil fuse
Technical field
The utility model relates to a kind of handle for oil fuse.
Background technology
Oil-immersed and high-voltage fuse applies in wind generator system widely.The monitoring station of wind generator system is generally distant from wind field distance, general oil fuse does not have signal output after action, to such an extent as to the monitoring station of wind generator system can not find in time and disconnect three-phase circuit, make circuit phase-deficient operation, increased the cost of security risk and maintenance.In addition, oil-immersed and high-voltage fuse has high requirement to oil seal.In long-term use procedure, fuse inside has not allowed oil to enter, otherwise when fuse moves, may blast and serious fire.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, a kind of handle for oil fuse is provided, it has can move in time and the function of triggering signal output device when fuse moves, the monitoring station of wind generator system make signal output apparatus send fuse signals, so that can be fixed a breakdown in time.
The purpose of this utility model is achieved in that a kind of handle for oil fuse, comprises the handle, seal cover and the pull bar that connect successively; Described handle also comprises a link gear; Wherein,
The axial central authorities of described handle and seal cover offer a pre-small post-large two stage steps endoporus;
Described pull bar comprise with the eccentric big connecting rod being connected of described handle and seal cover and the front end that is connected to big connecting rod and with handle and the coaxial great circle column cap of seal cover, the axial central authorities of this great circle column cap offer a pre-large post-small one-level inner bore of step; On two outer peripheral face of described big connecting rod, axis one side of great circle column cap is offered a groove relatively respectively;
Described link gear comprises small rod and forward and backward stop screw; The front and back ends of described small rod is provided with to a side radially the flange that a thickness is less than the width of the groove on described big connecting rod respectively, on these two flanges, axially offer respectively a tapped through hole, the mode that described small rod is embedded in correspondingly with two flange in two grooves of described connecting rod can be arranged in parallel with described big connecting rod movably forward and backward; Anterior endoporus, the bar portion that the spiral shell head of described front limit screw is arranged in described great circle column cap interts movably at the rear portion of described great circle column cap endoporus and is threaded in the tapped through hole of the front end boss of described small rod; Middle part endoporus, the bar portion that the spiral shell head of described rear stop screw is arranged in described handle and seal cover interts movably at the anterior endoporus of described handle and seal cover and is threaded in the tapped through hole of the rear end boss of described small rod.
The above-mentioned handle for oil fuse, wherein, the material of described forward and backward stop screw is nylon.
The above-mentioned handle for oil fuse, wherein, the bar portion of described rear stop screw is also set with an O-ring seals.
The above-mentioned handle for oil fuse, wherein, the bar portion of described front limit screw suit one is arranged in the back-moving spring of the anterior endoporus of described great circle column cap.
The above-mentioned handle for oil fuse, wherein, compartment of terrain is radially equipped with multi-layer umbrella rib along its length respectively on the outer peripheral face of described great circle column cap and on the outer peripheral face of described big connecting rod, and a side of the relative small rod in middle part of the outer peripheral face of described connecting rod is provided with a boss.
The above-mentioned handle for oil fuse, wherein, the diameter of described small rod is less than the diameter of described big connecting rod, and on the outer peripheral face of this small rod, compartment of terrain is radially equipped with multi-layer umbrella rib along its length respectively, on the front and back ends flange of this small rod, is respectively provided with a small boss.
Handle for oil fuse of the present utility model, the function with the triggering signal output device that can move in time when fuse moves, with the link gear of striker, this link gear can move immediately when fuse moves and triggering signal output device sends fuse signals, so that the monitoring station of wind generator system can be fixed a breakdown in time, the maintenance of wind generator system is very helpful.Handle for oil fuse of the present utility model has guaranteed again the hermetically sealed property of fuse when providing fuse signals for wind generator system, grease proofing, waterproof, protection against the tide, dustproof, anti-salt fog and the feature such as non-maintaining, can be used for desert, in inferior environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the handle for oil fuse of the present utility model;
Fig. 2 is the structural representation of the small rod of the handle for oil fuse of the present utility model;
Embodiment
In order to understand the technical solution of the utility model better, below by specific embodiment, be also described in detail by reference to the accompanying drawings.
Refer to Fig. 1 and Fig. 2, the handle for oil fuse of the present utility model, comprises the handle 1, seal cover 2 and the pull bar 3 that connect successively, also comprises a link gear; Wherein:
Handle 1, seal cover 2 and pull bar 3 are one-body molded through evacuated die-casting process by unsaturated polyester resin;
The axial central authorities of handle 1 and seal cover 2 offer a pre-small post-large two stage steps endoporus 10;
Pull bar 3 comprise with handle 1 and the eccentric big connecting rod 31 being connected of seal cover 2 and the front end that is connected to big connecting rod 31 and with shake hands 1 and the coaxial great circle column cap 32 of seal cover 2, the axial central authorities of this great circle column cap 32 offer a pre-large post-small one-level inner bore of step 30; On two outer peripheral face of big connecting rod 31, axis one side of great circle column cap 32 is offered a groove relatively respectively; Compartment of terrain is radially equipped with multi-layer umbrella rib along its length respectively on the outer peripheral face of great circle column cap 32 and on the outer peripheral face of big connecting rod 31, to increase creepage distance, reinforced insulation;
Link gear comprises small rod 40 and forward and backward stop screw 43,44; The material of small rod 40 is unsaturated polyester resin, and its diameter is less than on the diameter of big connecting rod 31 and outer peripheral face respectively compartment of terrain along its length and is radially equipped with multi-layer umbrella rib, to increase creepage distance, reinforced insulation; The front and back ends of this small rod 40 is provided with a flange 41,42 to a side radially respectively, the thickness of these two flanges 41,42 is less than the width of the groove on big connecting rod 31, on these two flanges 41,42, axially offer respectively a tapped through hole (see figure 2), the mode that this small rod 40 is embedded in correspondingly with two flange 41,42 in two grooves of big connecting rod 31 can be arranged in parallel with big connecting rod 31 movably forward and backward; Anterior endoporus, the bar portion that the spiral shell head of front limit screw 43 is arranged in the one-level inner bore of step 30 of great circle column cap 32 interts movably at the rear portion endoporus of the one-level inner bore of step 30 of great circle column cap 32 and is threaded in the tapped through hole of the flange 41 of small rod 40 front ends; In the bar portion of front limit screw 43, be also set with the back-moving spring 45 of anterior endoporus that is arranged in the one-level inner bore of step 30 of great circle column cap 32; Middle part endoporus, the bar portion that the spiral shell head of rear stop screw 44 is arranged in handle 1 and the two stage steps endoporus 10 of seal cover 2 interts movably at the anterior endoporus of the two stage steps endoporus of handle 1 and seal cover 2 and is threaded in the tapped through hole of the flange 42 of small rod 40 rear ends; The bar portion of rear stop screw 44 is also set with a sealing ring 5, and sealing circle 5 makes rear stop screw 44 seal and contact movably with the hole wall of the anterior endoporus of the two stage steps endoporus 10 of handle 1 and seal cover 2, has guaranteed the hermetically sealed property of fuse.Sealing circle 5 adopts resistant to elevated temperatures insulating material to make.
The material of forward and backward stop screw 43,44 is nylon, has guaranteed the insulation property of handle.
One side of the relative small rod 4 in middle part of the outer peripheral face of big connecting rod 31 is provided with a boss 310, has guaranteed when small rod 40 is encountered big connecting rod 31 when transportation or installation lack of standardization can not rupture.On two flanges 41,42 of small rod 40, be provided with separately a small boss 410,420, guaranteed that two flanges 41,42 of small rod 40 can not cause fracture because of collision pull bar 3 in parallel motion process.
Oil fuse comprises the cylinder base of unidirectional opening and is successively set on fusing carrier and the fuse member in base from base openings direction; Fusing carrier comprises that handle and two are separately fixed at the hookup that electrically contacts that two of fuse member and is connected with handle.In the handle 1 of handle and the rear portion endoporus of the two stage steps endoporus 10 on seal cover 2, signal output apparatus 6 is installed; The front port of the one-level inner bore of step 30 of the great circle column cap 32 of handle is set one and is electrically contacted hookup 7, electrically contacts in an inner chamber of the fuse member that coupling 7 is connected a striker is installed with this.When there is overload or short circuit in circuit, melt fusing in fuse member, the striker that makes to be arranged in fuse member loses pulling force and ejects, promote front limit screw 43, small rod 40 and rear stop screw 44 and move backward, and then make the spiral shell head triggering signal output device of rear stop screw 44 send fuse signals.
Relation between the thickness of two flanges 41,42 on the width of the groove on big connecting rod 31 and small rod 40 is looked the shift motion design of small rod 40, to guarantee that rear stop screw 44 encounters signal output apparatus 6 and send signal.
Back-moving spring 45 can make front limit screw 43, small rod 40 and rear stop screw 44 move forward to home position after striker resets.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that not departing from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.

Claims (6)

1. for a handle for oil fuse, comprise the handle, seal cover and the pull bar that connect successively, it is characterized in that, described handle also comprises a link gear;
The axial central authorities of described handle and seal cover offer a pre-small post-large two stage steps endoporus;
Described pull bar comprise with the eccentric big connecting rod being connected of described handle and seal cover and the front end that is connected to big connecting rod and with handle and the coaxial great circle column cap of seal cover, the axial central authorities of this great circle column cap offer a pre-large post-small one-level inner bore of step; On two outer peripheral face of described big connecting rod, axis one side of great circle column cap is offered a groove relatively respectively;
Described link gear comprises small rod and forward and backward stop screw; The front and back ends of described small rod is provided with to a side radially the flange that a thickness is less than the width of the groove on described big connecting rod respectively, on these two flanges, axially offer respectively a tapped through hole, the mode that described small rod is embedded in correspondingly with two flange in two grooves of described connecting rod can be arranged in parallel with described big connecting rod movably forward and backward; Anterior endoporus, the bar portion that the spiral shell head of described front limit screw is arranged in described great circle column cap interts movably at the rear portion of described great circle column cap endoporus and is threaded in the tapped through hole of the front end boss of described small rod; Middle part endoporus, the bar portion that the spiral shell head of described rear stop screw is arranged in described handle and seal cover interts movably at the anterior endoporus of described handle and seal cover and is threaded in the tapped through hole of the rear end boss of described small rod.
2. the handle for oil fuse according to claim 1, is characterized in that, the material of described forward and backward stop screw is nylon.
3. the handle for oil fuse according to claim 1 and 2, is characterized in that, the bar portion of described rear stop screw is also set with an O-ring seals.
4. the handle for oil fuse according to claim 1 and 2, is characterized in that, the bar portion suit one of described front limit screw is arranged in the back-moving spring of the anterior endoporus of described great circle column cap.
5. the handle for oil fuse according to claim 1, it is characterized in that, compartment of terrain is radially equipped with multi-layer umbrella rib along its length respectively on the outer peripheral face of described great circle column cap and on the outer peripheral face of described big connecting rod, and a side of the relative small rod in middle part of the outer peripheral face of described connecting rod is provided with a boss.
6. the handle for oil fuse according to claim 1, it is characterized in that, the diameter of described small rod is less than the diameter of described big connecting rod, on the outer peripheral face of this small rod, compartment of terrain is radially equipped with multi-layer umbrella rib along its length respectively, on the front and back ends flange of this small rod, is respectively provided with a small boss.
CN201320577993.XU 2013-09-18 2013-09-18 A handle of an oil-immersed fuse Withdrawn - After Issue CN203491206U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320577993.XU CN203491206U (en) 2013-09-18 2013-09-18 A handle of an oil-immersed fuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320577993.XU CN203491206U (en) 2013-09-18 2013-09-18 A handle of an oil-immersed fuse

Publications (1)

Publication Number Publication Date
CN203491206U true CN203491206U (en) 2014-03-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320577993.XU Withdrawn - After Issue CN203491206U (en) 2013-09-18 2013-09-18 A handle of an oil-immersed fuse

Country Status (1)

Country Link
CN (1) CN203491206U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103474305A (en) * 2013-09-18 2013-12-25 上海电器陶瓷厂有限公司 Handle for oil-immersed fuse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103474305A (en) * 2013-09-18 2013-12-25 上海电器陶瓷厂有限公司 Handle for oil-immersed fuse
CN103474305B (en) * 2013-09-18 2015-10-21 上海电器陶瓷厂有限公司 A kind of handle for oil fuse

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GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140319

Effective date of abandoning: 20151021

AV01 Patent right actively abandoned

Granted publication date: 20140319

Effective date of abandoning: 20151021

C25 Abandonment of patent right or utility model to avoid double patenting