CN204242868U - The earthed switch of the two-way automatic switching looped network equipment of a kind of switch and formation thereof - Google Patents
The earthed switch of the two-way automatic switching looped network equipment of a kind of switch and formation thereof Download PDFInfo
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- CN204242868U CN204242868U CN201420733427.8U CN201420733427U CN204242868U CN 204242868 U CN204242868 U CN 204242868U CN 201420733427 U CN201420733427 U CN 201420733427U CN 204242868 U CN204242868 U CN 204242868U
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- switch
- fixed contact
- closing switch
- main shaft
- copper bar
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Abstract
The utility model discloses the earthed switch of the two-way automatic switching looped network equipment of a kind of switch and formation thereof, the problem solved: the earthed switch for existing product is two independently switches, be not integrated, mainly the pattern of switch contact exists, process and assemble is complicated, and do not interlock, so occur that the probability of misoperation improves relatively between the two.The technical scheme taked, a kind of switch, comprises output copper bar, intermediate insulation mounting panel, left side closing switch and right side closing switch; Left side closing switch and right side closing switch include main shaft, insulated mounting plate, connect copper bar, the first fixed contact, movable electrode assembly and the second fixed contact.The invention also discloses a kind of earthed switch of the two-way automatic switching looped network equipment be in series by three switches.
Description
Technical field
The utility model relates to a kind of switch, also relates to a kind of earthed switch of the two-way automatic switching looped network equipment that is in series by three switches.
Background technology
At present, the earthed switch of existing product is two independently switches, is not integrated, and the pattern of mainly switch contact exists, and process and assemble is complicated, and does not interlock between the two, so occur that the probability of misoperation improves relatively.
The earthed switch of traditional switch contact, has switch surface and occurs uneven, or angle deviating, contact all can be caused bad, too high in resistance, from but contact-making surface generate heat in a large number, there will be security incident.
Utility model content
Technical problem to be solved in the utility model is: the earthed switch for existing product is two independently switches, be not integrated, the pattern of mainly switch contact exists, and process and assemble is complicated, and do not interlock, so occur that the probability of misoperation improves relatively between the two.
Design philosophy of the present utility model is: adopt structure identical three independently switch tandem compound form to meet the functional requirement of this type of switch cubicle in bidirectional loop network equipment.
The purpose of this utility model is to provide the earthed switch of the two-way automatic switching looped network equipment of a kind of switch and formation thereof; This earthed switch is easy and simple to handle, and technique is advanced, and coordinate perfect, decrease failure rate, this earthed switch structure is conducive to equipment and effectively works, and cost is low, makes user easy to learn easy to operate, does not have the misoperation that bilateral closes a floodgate simultaneously simultaneously.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is:
A kind of switch, comprises output copper bar, intermediate insulation mounting panel, left side closing switch and right side closing switch; Described output copper bar is connected with intermediate insulation mounting panel; Left side closing switch and right side closing switch are arranged in the arranged on left and right sides of switch bracket body simultaneously, and described left side closing switch and right side closing switch are positioned at the both sides of intermediate insulation mounting panel;
Described left side closing switch and right side closing switch include main shaft; The two ends of described main shaft are arranged in the axis hole on described switch bracket body biside plate, and described main shaft is driven by the driving mechanism being located at its one end and rotates;
Insulated mounting plate; Described insulated mounting plate is fixedly installed on switch bracket body;
Connect copper bar; Described connection copper bar is fixedly installed on insulated mounting plate;
First fixed contact; The first fixed contact in the closing switch of described left side is fixedly installed on intermediate insulation mounting panel by screw thread pair; The first fixed contact in the closing switch of described right side is fixedly installed on insulated mounting plate, and be connected copper bar be connected;
Movable electrode assembly; Movable electrode assembly in the closing switch of described left side is connected with the first fixed contact slidingtype, and movable electrode assembly is connected with swing axis movement by insulation swing arm; One end of described insulation swing arm is fixedly installed on main shaft; Movable electrode assembly in the closing switch of described right side is connected with the first fixed contact slidingtype, and movable electrode assembly is connected with swing axis movement by insulation swing arm; One end of described insulation swing arm is fixedly installed on main shaft;
Second fixed contact; The second fixed contact in the closing switch of described left side is fixedly installed on insulated mounting plate, and be connected copper bar be connected, described second fixed contact and the first fixed contact are oppositely arranged; The second fixed contact in the closing switch of described right side is fixedly installed on the first fixed contact in the closing switch of left side by screw thread pair, and the second fixed contact is connected with output copper bar, described second fixed contact and the first fixed contact) be oppositely arranged;
Wherein, described movable electrode assembly comprises metal branch sleeve, insulating mounting cover and insulation swing arm; Described metal branch sleeve is connected with the first fixed contact slidingtype; One end of described metal branch sleeve is closely connected with the first fixed contact by securing member, and the other end of metal branch sleeve is closely connected with the first fixed contact by flap connector; Described insulating mounting cover is sleeved on the outside of metal branch sleeve, and is connected mutually with metal branch sleeve; One end of described insulation swing arm is fixedly installed on main shaft, and along main shaft diameter to setting; The other end and the insulating mounting of described insulation swing arm are overlapped swing type and are connected.
Further improvement, described left side closing switch and right side closing switch all also comprise support bar; Described support bar connects intermediate insulation mounting panel and insulated mounting plate.The effect arranging support bar in the utility model is, mainly plays the effect of supporting and location.
Further improvement, movable electrode assembly also comprises wear-resisting contact; Described wear-resisting contact is fixedly installed on the termination of flap connector.Flap connector in the utility model is referred to and adopts the plate links of multiple lobe one lobe flap connector and the first fixed contact to be closely connected by lock spring.The wear-resisting contact arranged in the utility model, its Main Function is, increases resistance to wear; The material of the wear-resisting contact in the utility model must meet the performance requirement of the high and good insulating of high, the fire-retardant coefficient of mechanical strength.
Further improvement, described switch bracket body is metal switch rack body.Switch bracket body in the utility model is metal switch rack body, and its effect is, when on-off action earthed switch in the utility model time, metal switch rack body be fixed on ground connection on cabinet; When the switch in the utility model, just as the regular tap used time, to the electric conductivity just not requirement of switch rack body.
Further improvement, described insulating mounting cover overlaps the countershaft on outer surface by being symmetricly set on insulating mounting and being symmetricly set on being rotationally connected between the countershaft cover in insulation swing arm, and realization insulation swing arm is overlapped swing type with insulating mounting and is connected.
Further improvement, the central axis of described second fixed contact, the first fixed contact, the second fixed contact and the first fixed contact is positioned on same level line.
The invention also discloses a kind of earthed switch of two-way automatic switching looped network equipment, comprise and being in series by three switches.
Further improvement, the left side closing switch in described earthed switch and the right side closing switch in earthed switch share same main shaft respectively.
Further improvement, described earthed switch common switch rack body, described switch bracket body is metal switch rack body; The biside plate of described switch bracket body is provided with observation window.Earthed switch in the utility model is provided with observation window on the biside plate of switch bracket body, its effect is, switch bracket body is designed with observation window, the observation window corresponding with cabinet is with the use of the divide-shut brake that can confirm earthed switch both sides ground connection intuitively, can effectively prevent on/off switch operate after but actual earthed switch does not have the situation of effective on/off switch to occur, thus decrease the probability that switch breaks down, ensure the safety of user.
Further improvement, described output copper bar is grounding copper bar, and is connected with switch bracket body.
The utility model device beneficial effect is compared with prior art:
1, this earthed switch is integral type earthed switch, and processing is simple, and install and succinctly facilitate, and there is interlock function between mechanism, there will not be the situation of misoperation, so more safe and reliable than existing earthing mechanism, cost is low, installs the advantages such as simple and convenient.
2, this earthed switch adopts the contact of contact pressure formula, and carry out auxiliary extinction of arc by arc-extinguish chamber, better than traditional contact, arc quenching effect is good.Traditional switch surface that has occurs uneven, or angle deviating, contact all can be caused bad, too high in resistance, from but contact-making surface generate heat in a large number, there will be security incident.
3, this earthed switch is designed with observation window on a mounting board, the observation window corresponding with cabinet is with the use of the divide-shut brake that can confirm earthed switch both sides ground connection intuitively, can effectively prevent on/off switch operate after but actual earthed switch does not have the situation of effective on/off switch to occur, thus decrease the probability that switch breaks down, ensure the safety of user.
4, this earthed switch is driven by the driving mechanism being arranged on main shaft one end and rotates; When left side is in gate-dividing state, so can carry out closing a floodgate and sub-switching operation in right side; When right side is in gate-dividing state, so can carry out closing a floodgate and sub-switching operation in left side; When left side is in "on" position, so combined floodgate cannot be carried out in right side can only be gate-dividing state; When right side is in "on" position, so combined floodgate cannot be carried out in left side can only be gate-dividing state.
Accompanying drawing explanation
Fig. 1 is the cutaway view of embodiment 1
Fig. 2 is the front view of "on" position on the left of embodiment 1.
Fig. 3 is the front view of "on" position on the right side of embodiment 1.
Fig. 4 is the stereogram of embodiment 2.
Fig. 5 is the vertical view of embodiment 2.
Fig. 6 is the front view of embodiment 2.
Wherein: 4, support bar, 5,5 ＇, movable electrode assembly, 5.1, insulating mounting cover, 5.2, securing member, 5.3, flap connector, 5.4, metal branch sleeve, 5.5, insulation swing arm, 7, intermediate insulation mounting panel, 8, export copper bar, 9,9 ＇, the second fixed contact, 10,10 ＇, the first fixed contact, 11, copper bar is connected, 12, insulated mounting plate, 13, switch bracket body, 13.1, observation window, 14, main shaft, 19, wear-resisting contact.
Embodiment
For making content of the present utility model more become apparent, be further described below in conjunction with accompanying drawing 1-Fig. 6 and embodiment.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model preferred embodiment is as follows:
Embodiment 1:
For switch in the present embodiment, its structure and the course of work are further described.
As Figure 1-3: the switch in the present embodiment, output copper bar 8, intermediate insulation mounting panel 7, left side closing switch and right side closing switch is comprised.
Output copper bar 8 in the present embodiment switch is connected with intermediate insulation mounting panel 7; Left side closing switch and right side closing switch are arranged in the arranged on left and right sides of switch bracket body 13 simultaneously, and described left side closing switch and right side closing switch are positioned at the both sides of intermediate insulation mounting panel 7.
Right side closing switch includes main shaft 14, insulated mounting plate 12, connects copper bar 11, first fixed contact 10, movable electrode assembly 5, support bar 4, wear-resisting contact 19 and the second fixed contact 9.Movable electrode assembly 5 comprises metal branch sleeve 5.4, insulating mounting cover 5.1 and insulation swing arm 5.5.
The two ends of the main shaft 14 in the right side closing switch in the present embodiment switch are arranged in the axis hole on described switch bracket body 13 biside plate, and main shaft 14 is driven by the driving mechanism being located at its one end and rotates; Insulated mounting plate 12 is fixedly installed on switch bracket body 13; Connecting copper bar 11 is fixedly installed on insulated mounting plate 12; When the switch of the present embodiment is as common switch used time, now, the effect of the connection copper bar 11 inside switch is exactly inlet wire.And when the switch in the present embodiment is as the earthed switch used time, now, the effect of the connection copper bar 11 inside switch is exactly be connected with the appearance copper bar of foregoing apparatus.First fixed contact 10 is bolted and is arranged on insulated mounting plate 12, and be connected copper bar 11 and be connected.Movable electrode assembly 5 is connected with the first fixed contact 10 slidingtype, and movable electrode assembly 5 is connected with main shaft 14 swing type by insulation swing arm 5.5.Specifically, the metal branch sleeve 5.4 in movable electrode assembly 5 is connected with the first fixed contact 10 slidingtype; One end of metal branch sleeve 5.4 is closely connected with the first fixed contact 10 by securing member 5.2; The other end of metal branch sleeve 5.4 is closely connected with the first fixed contact 10 by flap connector 5.3; Insulating mounting cover 5.1 is sleeved on the outside of metal branch sleeve 5.4, and is connected mutually with metal branch sleeve 5.4; One end of insulation swing arm 5.5 is fixedly installed on main shaft 14, and arranges along main shaft 14 radial direction; The other end of insulation swing arm 5.5 overlaps the countershaft on 5.1 outer surfaces by being symmetricly set on insulating mounting and being symmetricly set on being rotationally connected between the countershaft cover in insulation swing arm 5.5, realization insulation swing arm 5.5 is overlapped 5.1 swing types with insulating mounting and is connected, further, achieve movable electrode assembly 5 to be connected with main shaft 14 swing type.Second fixed contact 9 is fixedly installed on the first fixed contact 10 ＇ in the closing switch of left side by screw thread pair, and the second fixed contact 9 is connected with output copper bar 8, and described second fixed contact 9 and the first fixed contact 10 are oppositely arranged.Support bar 4 connects intermediate insulation mounting panel 7 and insulated mounting plate 12.Wear-resisting contact 19 is fixedly installed on the termination of flap connector 5.3.
Left side closing switch includes main shaft 14, insulated mounting plate 12, connects copper bar 11, first fixed contact 10 ＇, movable electrode assembly 5 ＇, support bar 4, wear-resisting contact 19 and the second fixed contact 9 ＇.Movable electrode assembly 5 ＇ comprises metal branch sleeve 5.4, insulating mounting cover 5.1 and insulation swing arm 5.5.
The two ends of the main shaft 14 in the left side closing switch in the present embodiment switch are arranged in the axis hole on described switch bracket body 13 biside plate, and main shaft 14 is driven by the driving mechanism being located at its one end and rotates; Insulated mounting plate 12 is fixedly installed on switch bracket body 13; Connecting copper bar 11 is fixedly installed on insulated mounting plate 12; When the switch of the present embodiment is as common switch used time, now, the effect of the connection copper bar 11 inside switch is exactly inlet wire.And when the switch in the present embodiment is as the earthed switch used time, now, the effect of the connection copper bar 11 inside switch is exactly be connected with the appearance copper bar of foregoing apparatus.First fixed contact 10 ＇ is fixedly installed on intermediate insulation mounting panel 7 by screw thread pair.Movable electrode assembly 5 ＇ is connected with the first fixed contact 10 ＇ slidingtype, and movable electrode assembly 5 ＇ is connected with main shaft 14 swing type by insulation swing arm 5.5.Specifically, the metal branch sleeve 5.4 in movable electrode assembly 5 ＇ is connected with the first fixed contact 10 ＇ slidingtype; One end of metal branch sleeve 5.4 is closely connected with the first fixed contact 10 ＇ by securing member 5.2; The other end of metal branch sleeve 5.4 is closely connected with the first fixed contact 10 ＇ by flap connector 5.3; Insulating mounting cover 5.1 is sleeved on the outside of metal branch sleeve 5.4, and is connected mutually with metal branch sleeve 5.4; One end of insulation swing arm 5.5 is fixedly installed on main shaft 14, and arranges along main shaft 14 radial direction; The other end of insulation swing arm 5.5 overlaps the countershaft on 5.1 outer surfaces by being symmetricly set on insulating mounting and being symmetricly set on being rotationally connected between the countershaft cover in insulation swing arm 5.5, realization insulation swing arm 5.5 is overlapped 5.1 swing types with insulating mounting and is connected, further, achieve movable electrode assembly 5 ＇ to be connected with main shaft 14 swing type.Second fixed contact 9 ＇ is fixedly installed on insulated mounting plate 12, and be connected copper bar 11 and be connected, the second fixed contact 9 ＇ and the first fixed contact 10 ＇ is oppositely arranged.Support bar 4 connects intermediate insulation mounting panel 7 and insulated mounting plate 12.Wear-resisting contact 19 is fixedly installed on the termination of flap connector 5.3.
The central axis of the second fixed contact 9 ＇ in the present embodiment switch, the first fixed contact 10 ＇, the second fixed contact 9 and the first fixed contact 10 is positioned on same level line.Switch bracket body 13 in the present embodiment switch is metal switch rack body.
The course of work of the present embodiment is:
Because the left side making process of the switch in the present embodiment and the operation of right side making process are identical, therefore the present embodiment is just specifically described for left side making process.
Rotating spindle 14 is driven to rotate to the left by the driving mechanism being located at its one end of main shaft 14 of coupling; Because insulation swing arm 5.5 one end in movable electrode assembly 5 ＇ is fixedly installed on main shaft 14, main shaft 14 rotates and drives insulation swing arm 5.5 to rotate; Overlap 5.1 swing types due to insulation swing arm 5.5 with insulating mounting to be connected, insulation swing arm 5.5 is rotated and is pulled insulating mounting to overlap 5.1 rotations, thus drive movable electrode assembly 5 ＇ motion, fully contact with the second fixed contact 9 ＇ and put in place stop until moving to movable electrode assembly 5 ＇.On the left of it, "on" position as shown in Figure 2.
After closing a floodgate in left side, the current trend in the switch in the present embodiment is:
Electric current connects copper bar 11 by two and enters, and flows through the second fixed contact 9 ＇, flows through flap connector 5.3 and flow through metal branch sleeve 5.4 and securing member 5.2, flow through the first fixed contact 10 ＇, finally flow through and export copper bar 8.
If common switch used time is used as by the switch in the present embodiment, now, export copper bar 8 and connect external loading, provide electric current to load.If an earthed switch used time is used as by the switch in the present embodiment, now, export copper bar 8 and connect the earth as grounding copper bar.
Right side "on" position in the present embodiment as shown in Figure 3.
The interlocking of the switch in the present embodiment is that the driving mechanism by being connected with main shaft 14 one end drives; Closing a floodgate in left side in the present embodiment and closes a floodgate in right side drives respectively by two driving mechanisms.Meanwhile, the switch in the present embodiment: when left side is in gate-dividing state, so can carry out closing a floodgate and sub-switching operation in right side; When right side is in gate-dividing state, so can carry out closing a floodgate and sub-switching operation in left side; When left side is in "on" position, so combined floodgate cannot be carried out in right side can only be gate-dividing state; When right side is in "on" position, so combined floodgate cannot be carried out in left side can only be gate-dividing state.
Driving mechanism described in the present embodiment is driving mechanism of the prior art, and its structure and the course of work, the present embodiment is not described in detail.
Embodiment 2:
For the earthed switch of the two-way automatic switching looped network equipment be made up of three switches in the present embodiment, its structure and the course of work are further described.As shown in Figure 4, Figure 5 and Figure 6.
On-load switch in the present embodiment is in series by the switch in three embodiments 1.For the concrete structure of switch and the course of work see described in embodiment 1.
Left side closing switch in the present embodiment in earthed switch and the right side closing switch in earthed switch share same main shaft 14 respectively.
Output copper bar 8 in the present embodiment in earthed switch is grounding copper bar, and is connected with switch bracket body 13.The biside plate of switch bracket body 13 is provided with observation window 13.1.This earthed switch is designed with observation window on the biside plate of switch bracket body 13, the observation window corresponding with cabinet is with the use of the divide-shut brake that can confirm earthed switch both sides ground connection intuitively, can effectively prevent on/off switch operate after but actual earthed switch does not have the situation of effective on/off switch to occur, thus decrease the probability that switch breaks down, ensure the safety of user.
Earthed switch common switch rack body 13 in the present embodiment, switch bracket body 13 is metal switch rack body; Metal switch rack body on the present embodiment earthed switch, in use, is connected with cabinet, to realize reliably ground connection.
Because the course of work in the left side making process of the present embodiment earthed switch, right side making process and embodiment 1 has been identical, described in embodiment 1.
In the present embodiment, the interlocking of earthed switch is that driving mechanism by being connected with main shaft 14 one end drives; Closing a floodgate in left side in the present embodiment and closes a floodgate in right side drives respectively by two driving mechanisms.Meanwhile, the earthed switch in the present embodiment: when left side is in gate-dividing state, so can carry out closing a floodgate and sub-switching operation in right side; When right side is in gate-dividing state, so can carry out closing a floodgate and sub-switching operation in left side; When left side is in "on" position, so combined floodgate cannot be carried out in right side can only be gate-dividing state; When right side is in "on" position, so combined floodgate cannot be carried out in left side can only be gate-dividing state.
This earthed switch is compared with traditional earthed switch, easy and simple to handle, and volume reduces, lightweight, structure is simple, and decrease failure rate, this on-load switch structure is conducive to equipment and effectively works, and cost is low, make user easy to learn easy to operate, stop the misoperation that bilateral closes a floodgate simultaneously simultaneously.
The utility model does not relate to partly all same as the prior art or employing prior art and is realized.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. a switch, is characterized in that: comprise and export copper bar (8), intermediate insulation mounting panel (7), left side closing switch and right side closing switch; Described output copper bar (8) is connected with intermediate insulation mounting panel (7); Left side closing switch and right side closing switch are arranged in the arranged on left and right sides of switch bracket body (13) simultaneously, and described left side closing switch and right side closing switch are positioned at the both sides of intermediate insulation mounting panel (7);
Described left side closing switch and right side closing switch include main shaft (14); The two ends of described main shaft (14) are arranged in the axis hole on described switch bracket body (13) biside plate, and described main shaft (14) is driven by the driving mechanism being located at its one end and rotates;
Insulated mounting plate (12); Described insulated mounting plate (12) is fixedly installed on switch bracket body (13);
Connect copper bar (11); Described connection copper bar (11) is fixedly installed on insulated mounting plate (12);
First fixed contact (10,10 ＇); The first fixed contact (10 ＇) in the closing switch of described left side is fixedly installed on intermediate insulation mounting panel (7) by screw thread pair; The first fixed contact (10) in the closing switch of described right side is fixedly installed on insulated mounting plate (12), and be connected copper bar (11) be connected;
Movable electrode assembly (5,5 ＇); Movable electrode assembly (5 ＇) in the closing switch of described left side is connected with the first fixed contact (10 ＇) slidingtype, and movable electrode assembly (5 ＇) is connected with main shaft (14) swing type by insulation swing arm (5.5); One end of described insulation swing arm (5.5) is fixedly installed on main shaft (14); Movable electrode assembly (5) in the closing switch of described right side is connected with the first fixed contact (10) slidingtype, and movable electrode assembly (5) is connected with main shaft (14) swing type by insulation swing arm (5.5); One end of described insulation swing arm (5.5) is fixedly installed on main shaft (14);
Second fixed contact (9,9 ＇); The second fixed contact (9 ＇) in the closing switch of described left side is fixedly installed on insulated mounting plate (12), and be connected copper bar (11) and be connected, described second fixed contact (9 ＇) and the first fixed contact (10 ＇) are oppositely arranged; The second fixed contact (9) in the closing switch of described right side is fixedly installed on the first fixed contact (10 ＇) in the closing switch of left side by screw thread pair, and the second fixed contact (9) is connected with output copper bar (8), described second fixed contact (9) and the first fixed contact (10) are oppositely arranged;
Wherein, described movable electrode assembly (5,5 ＇) comprises metal branch sleeve (5.4), insulating mounting cover (5.1) and insulation swing arm (5.5); Described metal branch sleeve (5.4) is connected with the first fixed contact (10) slidingtype; One end of described metal branch sleeve (5.4) is closely connected with the first fixed contact (10) by securing member (5.2), and the other end of metal branch sleeve (5.4) is closely connected with the first fixed contact (10) by flap connector (5.3); Described insulating mounting cover (5.1) is sleeved on the outside of metal branch sleeve (5.4), and is connected mutually with metal branch sleeve (5.4); One end of described insulation swing arm (5.5) is fixedly installed on main shaft (14), and arranges along main shaft (14) radial direction; The other end of described insulation swing arm (5.5) is connected with insulating mounting cover (5.1) swing type.
2. switch according to claim 1, is characterized in that: described left side closing switch and right side closing switch all also comprise support bar (4); Described support bar (4) connects intermediate insulation mounting panel (7) and insulated mounting plate (12).
3. switch according to claim 1, is characterized in that: movable electrode assembly (5) also comprises wear-resisting contact (19); Described wear-resisting contact (19) is fixedly installed on the termination of flap connector (5.3).
4. switch according to claim 1, is characterized in that: described switch bracket body (13) is metal switch rack body.
5. switch according to claim 1, it is characterized in that: described insulating mounting cover (5.1), by being rotationally connected between the countershaft that is symmetricly set on insulating mounting cover (5.1) outer surface and the countershaft cover being symmetricly set in insulation swing arm (5.5), realizing insulation swing arm (5.5) and is connected with insulating mounting cover (5.1) swing type.
6. switch according to claim 1, is characterized in that: described second fixed contact (9 ＇), the first fixed contact (10 ＇), the second fixed contact (9) are positioned on same level line with the central axis of the first fixed contact (10).
7. the earthed switch of the two-way automatic switching looped network equipment adopting the switch described in any one of claim 1-6 to form, is characterized in that: comprise and being in series by three switches.
8. earthed switch according to claim 7, is characterized in that: the left side closing switch in described earthed switch and the right side closing switch in earthed switch share same main shaft (14) respectively.
9. earthed switch according to claim 7, is characterized in that: described earthed switch common switch rack body (13), and described switch bracket body (13) is metal switch rack body; The biside plate of described switch bracket body (13) is provided with observation window (13.1).
10. earthed switch according to claim 7, is characterized in that: described output copper bar (8) is grounding copper bar, and is connected with switch bracket body (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733427.8U CN204242868U (en) | 2014-11-27 | 2014-11-27 | The earthed switch of the two-way automatic switching looped network equipment of a kind of switch and formation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733427.8U CN204242868U (en) | 2014-11-27 | 2014-11-27 | The earthed switch of the two-way automatic switching looped network equipment of a kind of switch and formation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204242868U true CN204242868U (en) | 2015-04-01 |
Family
ID=52772330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420733427.8U Withdrawn - After Issue CN204242868U (en) | 2014-11-27 | 2014-11-27 | The earthed switch of the two-way automatic switching looped network equipment of a kind of switch and formation thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204242868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409254A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Switch and bidirectional automatic-switching looped network equipment earthing switch comprising same |
-
2014
- 2014-11-27 CN CN201420733427.8U patent/CN204242868U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409254A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Switch and bidirectional automatic-switching looped network equipment earthing switch comprising same |
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