CN202423060U - Detaching and attaching type low voltage isolating switch with integral insulator - Google Patents
Detaching and attaching type low voltage isolating switch with integral insulator Download PDFInfo
- Publication number
- CN202423060U CN202423060U CN2012200096392U CN201220009639U CN202423060U CN 202423060 U CN202423060 U CN 202423060U CN 2012200096392 U CN2012200096392 U CN 2012200096392U CN 201220009639 U CN201220009639 U CN 201220009639U CN 202423060 U CN202423060 U CN 202423060U
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- China
- Prior art keywords
- insulator
- dislodging
- isolating switch
- connector
- low pressure
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- 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.)
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Abstract
The utility model relates to a detaching and attaching type low voltage isolating switch with an integral insulator, which comprises an installing seat, the insulator and a switching part. The insulator is connected with the installing seat; both ends of the switching part are clamped on contacts at both ends of the insulator; one insulator is provided; both the ends of the insulator are provided with connectors extending downward to form an inverted U-shaped structure; and a locking device is arranged between a detaching and attaching ring and the corresponding connector. The detaching and attaching type low voltage isolating switch has the advantages that the inverted U-shaped insulator is adopted, the distance of the contacts at both the ends of the insulator is fixed without being influenced by an installing error, the contacts at both the ends of the insulator are high in corresponding accuracy with both the ends of the switching part, and the normal work is ensured; the insulator is integrally sealed, few points of a conduction part are exposed, and the insulation performance is good; the locking device is arranged between the free end of the switching part and the corresponding end of the insulator, so that the switching part is effectively avoided falling off in the horizontal or inclined installing process.
Description
Technical field
The utility model relates to a kind of dislodging formula low pressure isolating switch with integral insulation, is mainly used in the short circuit isolation of low voltage power transmission circuit.
Background technology
The primary structure of existing dislodging formula low pressure isolating switch comprises mount pad, two insulators and switch member; One end of two insulators is connected the two ends of mount pad; The other end at insulator is provided with contact, and the two ends of switch member are provided with bayonet socket and are connected to respectively on the contact of two insulators.The shortcoming that exists is: the alignment error between two insulators and the error of size existence, and cause the insulator and the two ends of switch member can not be corresponding well easily, influence operate as normal; The two ends end face of the contact of insulator contacts with the bayonet socket of switch member, and contact area is little; Switch member is when level or inclination installation, and the bayonet socket of its free end (other end has hook to connect) comes off easily, causes non-fault outage.
Summary of the invention
The purpose of the utility model provides a kind of dislodging formula low pressure isolating switch with integral insulation; The error that exists with alignment error and the size that solves between two insulators that prior art exists; Cause the insulator and the two ends of switch member can not be corresponding well easily, influence operate as normal; The two ends end face of the contact of insulator contacts with the bayonet socket of switch member, and contact area is little; Switch member is in level or when tilt installing, the problem that its free-ended bayonet socket comes off easily.
The technical scheme of the utility model is: a kind of dislodging formula low pressure isolating switch with integral insulation; Comprise mount pad, insulator and switch member, insulator is connected with mount pad, and the two ends of switch member are connected on the contact at insulator two ends; It is characterized in that; Described insulator is one, and the center is provided with the connecting rod with this insulator axis normal, and the upper end of this connecting rod is connected with described mount pad; The two ends of this insulator are equipped with to the connector that extends below, and on each this connector, are connected with described contact, and two laterally corresponding settings of contact are provided with protruding axle in the both sides of this connector; Be equipped with the elastic bayonet lock corresponding with described contact at the two ends of described switch member; One end of this switch member is an articulated end, and is provided with the hook that is articulated on the described protruding axle at articulated end; Free end in this switch member is provided with the ring of seting out.
Between described dislodging ring and pairing connector, be provided with locking device.
Described locking device comprises lever latch hook, spring, spacing protruding and link, and the upper end of link is connected on this connector; The fulcrum of lever latch hook is connected the bottom of described dislodging ring, and the lever-type lock hook strip has an end of hook corresponding with this link, and the other end of this lever latch hook is connected through the top of spring with this dislodging ring; Be provided with spacing protruding corresponding to above the end of the connection spring of this lever latch hook at the middle part of this dislodging ring.
Described elastic bayonet lock is made up of two copper plates relatively, and an end of two copper plates is connected to the both sides of a main board one end, and the through hole at these two copper plate middle parts passes a bolt, and stage clip and the press spring base that is located at these stage clip two ends are housed on this bolt.
Be provided with installation sleeve in this switch member near the top of articulated end.
Described insulator comprises insulating rod, sealing shroud and anti-water pond, is coated with the sealing shroud of waterproof insulation in the outside of insulating rod, is provided with a plurality of anti-water ponds spaced apart vertically in the outside of sealing shroud, and this anti-water pond and sealing shroud are structure as a whole.
Middle part and two ends difference socket one metallic sheath at described insulating rod; The metallic sheath at middle part and the welding of the lower end of described connecting rod; The metallic sheath at two ends and the welding of the upper end of described connector, described sealing shroud extends the outside that is coated on this metallic sheath, connecting rod and connector.
Described mount pad is that the cross section is U-shaped or L shaped metallic plate.
The cross section of the protruding axle of described connector both sides lacks for circle.
The beneficial effect of the utility model is: adopt the insulator of ∏ shape, the contact pitch at its two ends is a fixed structure, does not receive the influence of alignment error, and corresponding precision with the two ends of switch member is high, has guaranteed operate as normal; The insulator integral sealing, the current-carrying part exposed point is few, good insulation preformance; The insulator contact is a homalocephalus, and the switch member two ends are corresponding little gap bayonet socket, and both contacts area are big, can reduce volume, guarantees well contact; Between the corresponding end of switch member free end and insulator, be provided with locking device, when level or inclination installation, effectively avoid switch member to come off.
Description of drawings
Fig. 1 is general structure (channel status) sketch map of the utility model;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 is the sketch map that Fig. 2 is in off state;
Fig. 4 is the sketch map of mount pad, insulator and the contact combinations structure of the utility model;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the A-A cutaway view of Fig. 4;
Fig. 7 is the vertical view of the mount pad of the utility model;
Fig. 8 is the front view of the utility model switch member;
Fig. 9 is the vertical view of Fig. 8;
Figure 10 is the left view of Fig. 8;
Figure 11 is the right view of Fig. 8;
Figure 12 is another example structure sketch map of the utility model mount pad;
Figure 13 is the left view of Figure 12.
Embodiment
Referring to Fig. 1～Figure 13, a kind of dislodging formula low pressure isolating switch with integral insulation of the utility model comprises mount pad 1, insulator 3 and switch member P.Described insulator 3 is one, and the center is provided with the connecting rod (post) 2 with this insulator axis normal, and the upper end of this connecting rod 2 is connected with described mount pad 1; The two ends of this insulator 3 are equipped with to the connector that extends below 4, constitute the ∏ structure.Be connected with contact 6 on the metallic plate 5 that stretches out in each these connector 4 lower end; Two laterally corresponding settings of contact 6; A relative end and the two ends clamping of switch member P, the far-end of two contacts 6 respectively are connected with and are used for the terminal (bolt, nuts and washers) 7 that is connected with transmission line.Be provided with protruding axle 15 in the both sides of (Fig. 1 left side) connector metallic plate 5.Be equipped with the elastic bayonet lock corresponding 11 with described contact at the two ends of described switch member P; The end of this switch member P is articulated end (Fig. 1 left end), and is provided with the both sides riveted and fixed that the afterbody that is articulated in 16, two hooks 16 of hook on the described protruding axle 15 passes through rivet 28 and elastic bayonet lock 11 at articulated end.Below the free end (Fig. 1 right-hand member) of this switch member P, be provided with the ring 10 of seting out.
Between described dislodging ring 10 and pairing connector 4 (metallic plate 5), be provided with locking device.
Described locking device comprises lever latch hook 9, spring 19, spacing protruding 18 and link 8, and the upper end of link 8 is connected on the metallic plate 5; The fulcrum 17 of lever latch hook 9 is connected the bottom of described dislodging ring 10, and it is corresponding with this link 8 that lever latch hook 9 has an end of hook, and the other end of this lever latch hook 9 encircles 10 top through spring 19 and this dislodging and is connected; Be provided with spacing protrudingly 17 at the middle part of this dislodging ring 10, spacing protruding 17 position is corresponding to above the end of the connection spring of this lever latch hook 9.
Described elastic bayonet lock 11 is formed (referring to Fig. 8, Fig. 9) relatively by two copper plates; Respectively connect an elastic bayonet lock 11 at the two ends of main board 13; One end of two copper plates of each elastic bayonet lock 11 is connected to the both sides of main board 13 1 ends; Through hole at these two copper plate middle parts passes a bolt 12, and stage clip 25 and the press spring base 26 that is located at these stage clip two ends are housed on this bolt 12, is installed in bolt 12 ends with nut 27.Bolt 12 and stage clip 25 are used to increase the relative resilient clamp power of two copper plates of elastic bayonet lock 11, guarantee with contact 6 between reliably closely be connected.
Be provided with installation sleeve 14 at this switch member P near the top of articulated end, be opening sleeve, be used for installing and taking off switch member P.
Described insulator 3 comprises insulating rod 21, sealing shroud 31 and anti-water pond 22; Be coated with the sealing shroud 31 of waterproof insulation in the outside of insulating rod 21; Be provided with a plurality of anti-water ponds 22 spaced apart vertically in the outside of sealing shroud 31; Should be structure as a whole with sealing shroud 31 by anti-water pond 22, can adopt rubber, plastics or other conventional insulative water-proof material moulding by casting.
Middle part and two ends difference socket one metallic sheath 33 at described insulating rod 21; The metallic sheath 33 at middle part welds with the lower end of described connecting rod 2 (middle metallic plate 20); The metallic sheath 33 at two ends and the upper end welding of the metallic plate 5 in the connector 4, described sealing shroud 31 extensions are coated on the outside of the metallic plate 20 and the metallic plate 5 in the connector of this metallic sheath 33, connecting rod.
Described mount pad 1 is provided with two long installing holes 24 at least for the cross section is U-shaped (like Fig. 5-shown in Figure 7) or L shaped metallic plate (like Figure 12 and shown in Figure 13) on mount pad 1.The bottom, middle part of clevis mounting is connected (like Fig. 5-shown in Figure 7) through bolt 23 with connecting rod 2 tops; The bottom of L shaped mount pad is connected (like Figure 12 and shown in Figure 13) through bolt 32 with connecting rod 2 tops.
The cross section of the protruding axle 15 of described connector both sides lacks for circle, and a vertical plane that lacks breaks away from protruding axle 15 when the hook 16 of Convenient switch spare P moves up.
The utility model inserts installation sleeve 14 with insulating bar in use switch member P is lifted; And the hook 16 of switch member P hung on the protruding axle 15; Catching on the ring 10 of seting out with the crotch on the insulating bar then upwards snaps in the free-ended elastic bayonet lock 11 of switch member on the corresponding contact 6; Meanwhile, the lever latch hook 9 of locking device hangs on the link 8, and switch member P can not come off.When needs cut off circuit, catch on the ring 10 of seting out with the crotch on the insulating bar and exert oneself downwards, the bottom of the lever latch hook 9 of locking device is moved down, make lever latch hook 9 and link 8 break off relations, can take off switch member P.
Claims (9)
1. dislodging formula low pressure isolating switch with integral insulation; Comprise mount pad, insulator and switch member, insulator is connected with mount pad, and the two ends of switch member are connected on the contact at insulator two ends; It is characterized in that; Described insulator is one, and the center is provided with the connecting rod with this insulator axis normal, and the upper end of this connecting rod is connected with described mount pad; The two ends of this insulator are equipped with to the connector that extends below, and on each this connector, are connected with described contact, and two laterally corresponding settings of contact are provided with protruding axle in the both sides of this connector; Be equipped with the elastic bayonet lock corresponding with described contact at the two ends of described switch member; One end of this switch member is an articulated end, and is provided with the hook that is articulated on the described protruding axle at articulated end; Free end in this switch member is provided with the ring of seting out.
2. the dislodging formula low pressure isolating switch of band integral insulation according to claim 1 is characterized in that, between described dislodging ring and pairing connector, is provided with locking device.
3. the dislodging formula low pressure isolating switch of band integral insulation according to claim 2 is characterized in that described locking device comprises lever latch hook, spring, spacing protruding and link, and the upper end of link is connected on this connector; The fulcrum of lever latch hook is connected the bottom of described dislodging ring, and the lever-type lock hook strip has an end of hook corresponding with this link, and the other end of this lever latch hook is connected through the top of spring with this dislodging ring; Be provided with spacing protruding corresponding to above the end of the connection spring of this lever latch hook at the middle part of this dislodging ring.
4. the dislodging formula low pressure isolating switch of band integral insulation according to claim 1; It is characterized in that; Described elastic bayonet lock is made up of two copper plates relatively; One end of two copper plates is connected to the both sides of a main board one end, and the through hole at these two copper plate middle parts passes a bolt, and stage clip and the press spring base that is located at these stage clip two ends are housed on this bolt.
5. the dislodging formula low pressure isolating switch of band integral insulation according to claim 1 is characterized in that, is provided with installation sleeve in this switch member near the top of articulated end.
6. the dislodging formula low pressure isolating switch of band integral insulation according to claim 1; It is characterized in that; Described insulator comprises insulating rod, sealing shroud and anti-water pond; Be coated with the sealing shroud of waterproof insulation in the outside of insulating rod, be provided with a plurality of anti-water ponds spaced apart vertically in the outside of sealing shroud, this anti-water pond and sealing shroud are structure as a whole.
7. the dislodging formula low pressure isolating switch of band integral insulation according to claim 6; It is characterized in that; Middle part and two ends difference socket one metallic sheath at described insulating rod; The metallic sheath at middle part and the welding of the lower end of described connecting rod, the metallic sheath at two ends and the welding of the upper end of described connector, described sealing shroud extends the outside that is coated on this metallic sheath, connecting rod and connector.
8. the dislodging formula low pressure isolating switch of band integral insulation according to claim 1 is characterized in that described mount pad is that the cross section is U-shaped or L shaped metallic plate.
9. the dislodging formula low pressure isolating switch of band integral insulation according to claim 1 is characterized in that, the cross section of the protruding axle of described connector both sides lacks for circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200096392U CN202423060U (en) | 2012-01-11 | 2012-01-11 | Detaching and attaching type low voltage isolating switch with integral insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200096392U CN202423060U (en) | 2012-01-11 | 2012-01-11 | Detaching and attaching type low voltage isolating switch with integral insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202423060U true CN202423060U (en) | 2012-09-05 |
Family
ID=46747796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200096392U Expired - Fee Related CN202423060U (en) | 2012-01-11 | 2012-01-11 | Detaching and attaching type low voltage isolating switch with integral insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202423060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828222A (en) * | 2019-11-15 | 2020-02-21 | 宇邦电气有限公司 | High-voltage AC isolating switch for indoor use |
-
2012
- 2012-01-11 CN CN2012200096392U patent/CN202423060U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828222A (en) * | 2019-11-15 | 2020-02-21 | 宇邦电气有限公司 | High-voltage AC isolating switch for indoor use |
| CN110828222B (en) * | 2019-11-15 | 2021-07-13 | 宇邦电气有限公司 | High-voltage AC isolating switch for indoor use |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20130111 |