CN208256562U - Disconnecting switch and its cam pack - Google Patents
Disconnecting switch and its cam pack Download PDFInfo
- Publication number
- CN208256562U CN208256562U CN201820898477.XU CN201820898477U CN208256562U CN 208256562 U CN208256562 U CN 208256562U CN 201820898477 U CN201820898477 U CN 201820898477U CN 208256562 U CN208256562 U CN 208256562U
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- cam
- disconnecting switch
- mounting hole
- shaft
- stop part
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Abstract
The utility model relates to a kind of disconnecting switch and its cam packs, disconnecting switch at least two cams that cam pack includes for correspondence course switch to be axially sequentially arranged and can trigger along isolation switch shaft, two cams of arbitrary neighborhood pass through the axial connected structure being set between the two and realize circumferential rotation stop assembly.Cam pack provided by the utility model includes at least two cams that can trigger respective correspondence course switch, circumferential rotation stop assembly is realized by axial connected structure between two cams of arbitrary neighborhood, when disconnecting switch normal use, even if relatively rotating between one of cam and isolation switch shaft, but due to the presence of axial connected structure, it can guarantee that rotation stop is assembled in the circumferential between each cam, the corresponding travel switch of triggering can be synchronized.
Description
Technical field
The utility model relates to a kind of disconnecting switch and its cam packs.
Background technique
In electric power power transmission and transforming equipment, disconnecting switch is to realize division, conversion line and the weight for guaranteeing interruption maintenance safety
Want equipment.The utility model patent that Authorization Notice No. is CN206774442U disclose a kind of tri-station isolating switch and its
Travel switch, rotation stop is set with cam in isolation switch shaft, and in isolation switch shaft rotation, cam triggers corresponding stroke and opens
It closes.In order to guarantee the synchronous switching off of travel switch and disconnecting switch, need to guarantee that cam is fixedly set in isolation switch shaft, because
This, the connection between cam and isolation switch shaft is particularly critical.
Traditional connection type is as shown in Figure 1 to Figure 3 between cam and isolation switch shaft, opens up on cam 1 for covering
Fill isolation switch shaft disconnecting switch shaft mounting hole 2, meanwhile, opened up on cam along isolation switch shaft radially extend hold out against
Screw mounting hole 3, the Top fastening screw mounting hole 3 are that isolation switch shaft is penetrated keeping apart for cam specifically when assembly by threaded hole
It closes in shaft mounting hole 2, in 3 internal screw thread spinning Top fastening screw of Top fastening screw mounting hole, isolation switch shaft is held out against in disconnecting switch
On the wherein side inner wall of shaft mounting hole 2.In the prior art, in order to mitigate the counterweight in isolation switch shaft swing process, usually
Using plastic material shaping cam, the plastics thread for resulting in threaded hole is easy to happen damage, causes Top fastening screw that can not incite somebody to action
Isolation switch shaft is held out against on the inner wall of disconnecting switch shaft mounting hole 2, and then causes easily to occur between isolation switch shaft and cam
Opposite rotation.
Moreover, in the prior art, the side of isolation switch shaft be usually disposed with it is multiple along isolation switch shaft it is axial according to
The travel switch of secondary arrangement, such as disconnecting switch divide-shut brake in place when triggered to issue the signal of divide-shut brake indication signal by cam
Travel switch is triggered in disconnecting switch in-place closing to control electronic lock locking to prevent the anti-misoperation of maloperation by cam
Travel switch and disconnecting switch divide-shut brake in place when triggered to control the motor row of the motor start and stop of disconnecting switch by cam
Cheng Kaiguan, since each travel switch is sequentially arranged along axial direction, accordingly, the quantity of cam is also multiple and along axial direction successively cloth
It sets.But by upper analysis it is found that at work, if relatively rotating between wherein at least one cam and isolation switch shaft,
Then will appear can not rotate synchronously between each cam, not can guarantee each travel switch and synchronize and be triggered, and influence at least one stroke
Switch is cut-off, and there are maloperation and is switched hidden danger not in place, is influenced actual using effect.
Utility model content
The purpose of this utility model is to provide a kind of disconnecting switch cam packs, to solve in the prior art due to modeling
Thread on material cam is easy to damage and leads to the technical issues of not can guarantee synchronous rotation between multiple cams；Also provide it is a kind of every
Pass is left, to guarantee that each travel switch of disconnecting switch can be concurrently triggered.
To achieve the above object, the technical solution of the utility model disconnecting switch cam pack is: a kind of disconnecting switch
It is convex including at least two for correspondence course switch to be axially sequentially arranged and can trigger along isolation switch shaft with cam pack
Wheel, two cams of arbitrary neighborhood pass through the axial connected structure being set between the two and realize circumferential rotation stop assembly.
The beneficial effects of the utility model are: cam pack provided by the utility model includes at least two triggerable respective
The cam of correspondence course switch realizes circumferential rotation stop assembly, isolation by axial connected structure between two cams of arbitrary neighborhood
When switching normal use, even if relatively rotating between one or more of cams and isolation switch shaft, due to axial direction
The presence of connected structure can guarantee that rotation stop is assembled in the circumferential between each cam, can synchronize the corresponding stroke of triggering
Switch.
Axial connected structure includes the protrusion on one in two cam respective sides of arbitrary neighborhood, further includes being set to
On another and for the recess portion of the identical inserting in the protrusion.
The protrusion and recess portion are respectively equipped in two axial sides of each cam.
The protrusion is integrally formed in the axially position boss on cam, and recess portion is the axially position on cam
Slot.
The axial direction connected structure includes the pin shaft perforation on each cam and the pin shaft perforation for being threaded onto each cam
The interior pin shaft to realize each cam circumferential direction rotation stop assembly.
The cam is equipped with the disconnecting switch shaft mounting hole passed through for isolation switch shaft, is additionally provided with and pacifies with isolation switch shaft
The Top fastening screw mounting hole of hole intersection is filled, the Top fastening screw for holding out against isolation switch shaft is coated in Top fastening screw mounting hole,
At least one cam is equipped with screw thread stop part, and screw thread stop part is equipped with the threaded hole being threadedly engaged with the Top fastening screw,
The side away from the disconnecting switch shaft mounting hole of the screw thread stop part have for the cam away from holding out against spiral shell
Nail holds out against the stop section that block cooperates on direction.
The cam is equipped with the stop part mounting hole intersected with the Top fastening screw mounting hole, and the screw thread stop part can
It is actively set in the stop part mounting hole, the stop section is to match for the corresponding side inner wall block with stop part mounting hole
The stopping surface of conjunction.
The technical solution of the utility model disconnecting switch is: a kind of disconnecting switch, including for driving moving contact movable
Isolation switch shaft further includes the travel switch that isolation switch shaft side is arranged in and is sequentially arranged along the axial direction of isolation switch shaft,
Disconnecting switch cam pack is set in the isolation switch shaft, cam pack includes for axial successively along isolation switch shaft
At least two cams of correspondence course switch are arranged and can trigger, two cams of arbitrary neighborhood pass through the axial direction being set between the two
Connected structure realizes circumferential rotation stop assembly.
Axial connected structure includes the protrusion on one in two cam respective sides of arbitrary neighborhood, further includes being set to
On another and for the recess portion of the identical inserting in the protrusion.
The protrusion and recess portion are respectively equipped in two axial sides of each cam.
The protrusion is integrally formed in the axially position boss on cam, and recess portion is the axially position on cam
Slot.
The axial direction connected structure includes the pin shaft perforation on each cam and the pin shaft perforation for being threaded onto each cam
The interior pin shaft to realize each cam circumferential direction rotation stop assembly.
The cam is equipped with the disconnecting switch shaft mounting hole passed through for isolation switch shaft, is additionally provided with and pacifies with isolation switch shaft
The Top fastening screw mounting hole of hole intersection is filled, the Top fastening screw for holding out against isolation switch shaft is coated in Top fastening screw mounting hole,
At least one cam is equipped with screw thread stop part, and screw thread stop part is equipped with the threaded hole being threadedly engaged with the Top fastening screw,
The side away from the disconnecting switch shaft mounting hole of the screw thread stop part have for the cam away from holding out against spiral shell
Nail holds out against the stop section that block cooperates on direction.
The cam is equipped with the stop part mounting hole intersected with the Top fastening screw mounting hole, and the screw thread stop part can
It is actively set in the stop part mounting hole, the stop section is to match for the corresponding side inner wall block with stop part mounting hole
The stopping surface of conjunction.
Detailed description of the invention
Fig. 1 is the main view of disconnecting switch cam in the prior art；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the schematic diagram of the utility model disconnecting switch cam pack embodiment 1；
Fig. 5 is the main view of cam in Fig. 4；
Fig. 6 is the left view of Fig. 5；
Fig. 7 is the cross-sectional view of the overlook direction of Fig. 5；
Fig. 8 is the cross-sectional view of the utility model disconnecting switch cam pack embodiment 1；
Fig. 9 is the cross-sectional view of the utility model disconnecting switch cam pack embodiment 2；
Figure 10 is the cross-sectional view of the utility model disconnecting switch cam pack embodiment 3；
Figure 11 is the cross-sectional view of the utility model disconnecting switch cam pack embodiment 4；
Figure 12 is the cross-sectional view of the utility model disconnecting switch cam pack embodiment 5.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment 1 of the disconnecting switch cam pack of the utility model, as shown in Fig. 4 to Fig. 8.Cam pack packet
Multiple cams 1 being axially sequentially arranged along isolation switch shaft are included, cam 1 is equipped with disconnecting switch shaft mounting hole 2, specific to assemble
When, isolation switch shaft is penetrated in disconnecting switch shaft mounting hole 2, it is generally the case that the outer diameter of isolation switch shaft can be less than isolation
The internal diameter of shaft mounting hole 2 is switched, in order to guarantee that isolation switch shaft rotation stop can assemble between cam, so that isolation switch shaft
Cam is able to drive in rotation and accurately triggers travel switch, needs to hold out against isolation switch shaft in disconnecting switch shaft mounting hole 2
On, concrete measure is as follows.
A rectangular blind hole 3 is dug out on one of side of cam 1, opened up on the cam 1 of plastic material along every
The Top fastening screw mounting hole 6 radially extended for closing shaft mounting hole 2 is left, Top fastening screw mounting hole 6 is along disconnecting switch shaft mounting hole 2
Radial communication disconnecting switch shaft mounting hole 2 and cam 1 outside.Top fastening screw mounting hole 6 intersects with rectangular blind hole 3,
It is placed with a square nut 4 in rectangular blind hole 3, offers threaded hole 5 on square nut 4, the axis of threaded hole 5 and holds out against spiral shell
The axis collinear of mounting hole 6 is followed closely, and the internal diameter of threaded hole 5 is less than or equal to Top fastening screw mounting hole 6.In the present embodiment, spiral shell is held out against
Nail mounting hole 6 is unthreaded hole.Top fastening screw mounting hole 6 includes the two parts set up separately in 4 two sides of square nut.
When assembly, square nut 4 is put into rectangular blind hole 3 first, Top fastening screw 7 is sequentially passed through from outside to inside and is held out against
Screw mounting hole 6 and threaded hole 5, later, the end of Top fastening screw 7 will be in the disconnecting switch in disconnecting switch shaft mounting hole 2
Axis is held out against on the corresponding side inner wall of disconnecting switch shaft mounting hole 2.The process that penetrates in Top fastening screw and by isolation switch shaft
After holding out against on perforation inner wall, guarantee that square nut 4 is matched with rectangular blind hole 3 in the block on direction that holds out against away from Top fastening screw
It closes, prevents Top fastening screw and square nut 4 from hold out against isolation switch shaft disengaging
Screw is held out against.
In the present embodiment, square nut 4 is metal material, and the thread of screw thread is less likely to occur to wear and damage, Neng Goubao
The fastening demonstrate,proved between square nut and Top fastening screw is installed, and opposite play is not susceptible to.Square nut 4 constitutes screw thread block
Part simple is changed between square nut and rectangular blind hole inner wall compared with prior art by original by screw thread stress
Block active force, stress is more reasonable, more reliable and more stable.
In the present embodiment, using the form of square nut and Top fastening screw, it is only necessary to which square nut is put into composition block
In the rectangular blind hole of part mounting hole, so that it may realize the spin-ended assembly between square nut and rectangular blind hole.
In the present embodiment, rectangular blind hole constitutes stop part mounting hole, and square nut 4 is pacified away from the isolation switch shaft
The side side in dress hole constitutes stopping surface, i.e. stop section.
In disconnecting switch, the side of isolation switch shaft is provided with multiple rows being sequentially arranged along axial direction under normal conditions
Cheng Kaiguan rotates synchronously between multiple cams 1 in order to realize, axially position is arranged in one of axial sides of cam 1
Boss 8, is arranged axially position slot 9 in another axial sides, and axially position boss 8 can be adapted in insertion axially position slot 9.
The structure of each cam 1 is all the same, as a result, passing through axially position boss 8 and axially position between two cams 1 of arbitrary neighborhood
The mutual circumferential block of slot 9 realizes circumferential rotation stop assembly, can guarantee synchronization during rotation between each cam 1, into
And it realizes and the synchronous of multiple travel switches is triggered.
In the utility model, isolation switch shaft is held out against by using the mode of block mutual between square nut and cam,
Meanwhile guaranteeing the circumferential rotation stop between multiple cams by the way of axially position boss and axially position slot, it realizes and synchronizes
Rotation, the two combine, and can guarantee synchronism of the cam in rotation, and then realize that each travel switch can synchronize and be triggered.
The specific embodiment of the utility model disconnecting switch cam pack embodiment 2, as shown in figure 9, with embodiment 1
The difference is that axially position boss 8 is set in one of axial sides of cam 1 in the present embodiment, it will be axial fixed
Position slot 9 is designed as through slot, can be realized by the adaptation sleeve of axially position boss 8 and axially position slot 9 two neighboring convex
Circumferential rotation stop assembly between wheel 1.
The specific embodiment of the utility model disconnecting switch cam pack embodiment 3, as shown in Figure 10, above-described embodiment
In between each cam in axial direction and circumferential direction corresponding arrangement, this is to be in same position in the circumferential based on each travel switch,
It is sequentially arranged in the axial direction, is in same position radially.In the present embodiment, each travel switch is triggered end radially
It is staggeredly arranged, accordingly, the triggering end (upper end i.e. shown in Fig. 10) of each cam 1 is also in radial (upper and lower i.e. shown in Fig. 10
To) on be staggeredly arranged, realize rotation stop dress still through axially position boss 8 and axially position slot 9 between two neighboring cam 1
Match.
The specific embodiment of the utility model disconnecting switch cam pack embodiment 4, as shown in figure 11, with embodiment 1,
Embodiment 2 and embodiment 3 the difference is that, the present embodiment is the feelings being staggeredly arranged in the circumferential for multiple travel switches
Condition, in the present embodiment, the triggering end (i.e. upper end shown in Figure 11 or lower end) of each cam 1 it is circumferential (i.e. shown in Figure 11 up and down
Direction) on be staggeredly arranged, realize rotation stop dress still through axially position boss 8 and axially position slot 9 between two neighboring cam 1
Match.
In above-described embodiment, it is respectively provided with axially position boss and axially position slot on each cam, in other embodiments,
Axially position boss and axially position slot can be concentrated on some cam.
In above-described embodiment, each cam holds out against isolation switch shaft by square nut realization, due to all between each cam
To block, at this point it is possible to remove square nut corresponding to part of cam.
In above-described embodiment, axially position boss is shaped on cam, in other embodiments, can make axially position
Boss arrangement seperated with cam.Axially position boss constitutes protrusion, and axially position slot constitutes recess portion.Protrusion and recess portion are common
Constitute axial connected structure.
The specific embodiment of the utility model disconnecting switch cam pack embodiment 5, as shown in figure 12, in the present embodiment
Axial connected structure include the pin shaft perforation (unmarked in figure) being arranged on each cam 1, through there is pin in pin shaft perforation
Axis 10 can be realized the assembly of the circumferential rotation stop between each cam 1 by pin shaft 10.
The specific embodiment of the utility model disconnecting switch, disconnecting switch include that moving contact and driving moving contact are movable
Isolation switch shaft is provided with multiple travel switches being axially sequentially arranged in the side of isolation switch shaft, accordingly, is keeping apart
It closes and is set with cam pack on axis, consistent in the structure and above-described embodiment of cam pack, content repeats no more.
Claims (14)
1. a kind of disconnecting switch cam pack, including for being axially sequentially arranged along isolation switch shaft and can trigger correspondence course
At least two cams of switch, it is characterised in that: two cams of arbitrary neighborhood pass through the axial connected structure being set between the two
Realize circumferential rotation stop assembly.
2. disconnecting switch cam pack according to claim 1, it is characterised in that: axial connected structure includes being set to appoint
Protrusion in two neighboring cam respective side of anticipating on one further includes on another and for the identical inserting in the protrusion
Recess portion.
3. disconnecting switch cam pack according to claim 2, it is characterised in that: two axial sides of each cam
On be respectively equipped with the protrusion and recess portion.
4. disconnecting switch cam pack according to claim 2 or 3, it is characterised in that: the protrusion is integrally formed
In the axially position boss on cam, recess portion is the axially position slot on cam.
5. disconnecting switch cam pack according to claim 1, it is characterised in that: the axial direction connected structure includes setting
In the pin for realizing each cam circumferential direction rotation stop assembly in the pin shaft perforation on each cam and the pin shaft perforation for being threaded onto each cam
Axis.
6. disconnecting switch cam pack according to claim 1 or 2 or 3, it is characterised in that: the cam, which is equipped with, to be supplied
The disconnecting switch shaft mounting hole that isolation switch shaft passes through is additionally provided with the Top fastening screw intersected with disconnecting switch shaft mounting hole and installs
Hole, the Top fastening screw for holding out against isolation switch shaft is coated in Top fastening screw mounting hole, at least one cam is equipped with screw thread
Stop part, screw thread stop part are equipped with the threaded hole being threadedly engaged with the Top fastening screw, and the screw thread stop part deviates from institute
The side for stating disconnecting switch shaft mounting hole has for cooperating with the cam in the block on direction that holds out against away from Top fastening screw
Stop section.
7. disconnecting switch cam pack according to claim 6, it is characterised in that: the cam is equipped with and the top
The stop part mounting hole of tight screw mounting hole intersection, the screw thread stop part are movably disposed in the stop part mounting hole,
The stop section is for the stopping surface with the cooperation of the corresponding side inner wall block of stop part mounting hole.
8. a kind of disconnecting switch, including further include being arranged in isolation switch shaft for driving the movable isolation switch shaft of moving contact
Side and the travel switch being sequentially arranged along the axial direction of isolation switch shaft, it is characterised in that: be set in the isolation switch shaft
Disconnecting switch cam pack, cam pack include opening for being axially sequentially arranged along isolation switch shaft and can trigger correspondence course
At least two cams closed, two cams of arbitrary neighborhood pass through the axial connected structure being set between the two and realize circumferential rotation stop dress
Match.
9. disconnecting switch according to claim 8, it is characterised in that: axial connected structure includes being set to arbitrary neighborhood two
Protrusion in cam respective side on one further includes on another and for the recess portion of the identical inserting in the protrusion.
10. disconnecting switch according to claim 9, it is characterised in that: set respectively in two axial sides of each cam
There are the protrusion and recess portion.
11. disconnecting switch according to claim 9 or 10, it is characterised in that: the protrusion is integrally formed on cam
Axially position boss, recess portion is axially position slot on cam.
12. disconnecting switch according to claim 8, it is characterised in that: the axial direction connected structure includes being set to each cam
On pin shaft perforation and be threaded onto the pin shaft that the assembly of each cam circumferential direction rotation stop is realized in the pin shaft perforation of each cam.
13. according to disconnecting switch described in claim 8 or 9 or 10, it is characterised in that: the cam is equipped with for disconnecting switch
The disconnecting switch shaft mounting hole that axis passes through is additionally provided with the Top fastening screw mounting hole intersected with disconnecting switch shaft mounting hole, holds out against spiral shell
The Top fastening screw for holding out against isolation switch shaft is coated in nail mounting hole, at least one cam is equipped with screw thread stop part, spiral shell
Line stop part is equipped with the threaded hole being threadedly engaged with the Top fastening screw, and the screw thread stop part deviates from the disconnecting switch
The side of shaft mounting hole has for holding out against the stop section that block cooperates on direction away from Top fastening screw with the cam.
14. disconnecting switch according to claim 13, it is characterised in that: the cam is equipped with and wears with the Top fastening screw
The stop part mounting hole of hole intersection is filled, the screw thread stop part is movably disposed in the stop part mounting hole, the block
Portion is for the stopping surface with the cooperation of the corresponding side inner wall block of stop part mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820898477.XU CN208256562U (en) | 2018-06-11 | 2018-06-11 | Disconnecting switch and its cam pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820898477.XU CN208256562U (en) | 2018-06-11 | 2018-06-11 | Disconnecting switch and its cam pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256562U true CN208256562U (en) | 2018-12-18 |
Family
ID=64654212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820898477.XU Active CN208256562U (en) | 2018-06-11 | 2018-06-11 | Disconnecting switch and its cam pack |
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| Country | Link |
|---|---|
| CN (1) | CN208256562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108573826A (en) * | 2018-06-11 | 2018-09-25 | 河南森源电气股份有限公司 | A kind of disconnecting switch and its cam pack |
-
2018
- 2018-06-11 CN CN201820898477.XU patent/CN208256562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108573826A (en) * | 2018-06-11 | 2018-09-25 | 河南森源电气股份有限公司 | A kind of disconnecting switch and its cam pack |
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