CN210606991U - Contact structure of dual-power switch - Google Patents
Contact structure of dual-power switch Download PDFInfo
- Publication number
- CN210606991U CN210606991U CN201922062564.9U CN201922062564U CN210606991U CN 210606991 U CN210606991 U CN 210606991U CN 201922062564 U CN201922062564 U CN 201922062564U CN 210606991 U CN210606991 U CN 210606991U
- Authority
- CN
- China
- Prior art keywords
- contact
- rotating shaft
- power switch
- moving contact
- dual
- 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.)
- Active
Links
Images
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model discloses an among dual power switch's contact structure, operating device drive the insulating pivot rotation combined switch, the moving contact along with the insulating pivot is rotated together until with the static contact subassembly collides, the collision can be to the moving contact exert with the opposite effort of insulating pivot direction of rotation, this effort passes through the moving contact conduction to collision buffer gear, with the offset force that the biasing part was exerted offsets each other, the moving contact with the static contact subassembly keeps the engaged state, the benefit of design like this lies in, the width of moving contact is less than the width of the opening in holding chamber, the moving contact can pass the holding chamber and wherein wind the location structure rotates, the opening width in holding chamber still limits the rotation scope of moving contact simultaneously, collision buffer gear can offset the moving contact and produce the effort when the static contact collides, the rebound of the moving contact is avoided, and the joint speed of the product is improved.
Description
Technical Field
The utility model relates to an electrical switching equipment, concretely relates to dual switch's contact structure.
Background
The dual-power switch is widely applied to various occasions requiring uninterrupted power supply, and realizes automatic switching of a load circuit between two paths of power supplies so as to ensure the reliability of power supply of users.
Chinese patent document CN203070945U discloses a contact device of a dual power switch, which includes a V-shaped moving contact and a static contact, where the static contact includes two contact pieces, the moving contact includes two moving contact pieces, the moving contact is fixed on an insulating rotating shaft controlled by a transmission mechanism, the static contact includes a static contact a for power inlet, a static contact b for standby power inlet, and a static contact c for outlet, and a distance between the contact piece of the static contact a and the contact piece of the static contact c, and a distance between the contact piece of the static contact b and the contact piece of the static contact c match with a distance between the two moving contact pieces. The contact structure reduces the rotating distance of the moving contact and improves the joint speed, but the static contact clamps the moving contact through the two contact pieces to joint a circuit, the friction resistance between the two is high, the breaking joint speed is low, and after long-term use, the contact pieces are easy to deform to reduce the clamping force, so that the moving contact and the static contact are poor in contact, and the problem of power supply is caused.
If the inserted sheet joint mode with static contact and moving contact changes the point contact joint mode into, although can avoid the appearance of above-mentioned problem, because insulating pivot slew velocity is fast, there is the production of reaction force when moving contact and static contact collide, leads to the moving contact to have the action of kick-backing, and the joint speed is slow.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses the technical problem that solves lies in overcoming static contact among the prior art and moving contact reaction force occasionally in the collision, leads to the moving contact to kick-back, the slow defect of joint speed to provide a reaction force when offsetting static contact and moving contact collision, avoid the moving contact to kick-back, the fast dual power switch's of joint speed contact structure.
The utility model provides a dual power switch's contact structure, include:
the insulating rotating shaft is controlled by the operating mechanism to rotate and comprises an accommodating cavity which radially penetrates through the insulating rotating shaft;
the fixed contact assembly is arranged along the periphery of the insulating rotating shaft and comprises a first fixed contact, a second fixed contact and a third fixed contact;
the moving contact penetrates through the accommodating cavity, the width of the moving contact is smaller than that of an opening of the accommodating cavity, a positioning structure is arranged between the moving contact and the insulating rotating shaft, the moving contact can rotate around the positioning structure and rotate along with the insulating rotating shaft, and two ends of the moving contact can be respectively contacted with the first fixed contact and the second fixed contact or respectively contacted with the first fixed contact and the third fixed contact;
and the collision buffer mechanism comprises at least one biasing member arranged between the movable contact and the accommodating cavity, and the biasing member applies a biasing force to the movable contact in the same rotating direction as the insulating rotating shaft.
In the contact structure of the dual-power switch, the collision buffer mechanism comprises a plurality of groups of the biasing members, and the moving contact is provided with a plurality of limiting grooves for accommodating the biasing members.
In the above-mentioned contact structure of the dual power switch, each set of the biasing members includes a first biasing member and a second biasing member which are arranged in pair, and the first biasing member and the second biasing member are located on one side of the movable contact in the clockwise direction and one side of the movable contact in the counterclockwise direction, respectively.
In the contact structure of the dual-power switch, the first biasing member and the second biasing member are integrally connected springs, and the springs are respectively abutted against the movable contact and the accommodating cavity.
In the contact structure of the dual-power switch, the positioning structure comprises a through hole arranged in the center of the moving contact, a positioning hole arranged in the center of the insulating rotating shaft relative to the through hole, and a positioning column penetrating through the through hole and the positioning hole, and the moving contact is rotatably arranged in the accommodating cavity by taking the positioning column as the center.
In the above dual power switch contact structure, the second fixed contact and the third fixed contact are symmetrically arranged along the first fixed contact and the insulating rotating shaft.
In the contact structure of the dual-power switch, two ends of the moving contact are bent to extend out of the insulating rotating shaft, one end of the moving contact is located between the first fixed contact and the second fixed contact, and the other end of the moving contact is located between the first fixed contact and the third fixed contact.
In the above dual power switch contact structure, the insulating rotating shaft includes a gear area, a sleeve area and a contact area located between the gear area and the sleeve area, and the accommodating cavity is disposed in the contact area.
In the above-mentioned dual power switch's contact structure, the gear district is equipped with the gear arch, the sleeve district is equipped with and is fit for imbedding the protruding gear groove of gear.
In the contact structure of the dual-power switch, the contact structure further comprises a plurality of arc-extinguishing grid pieces which are arranged on the rotating path of the moving contact in a surrounding mode around the insulating rotating shaft.
Compared with the prior art, the technical scheme of the utility model have the following advantage:
1. in the contact structure of the dual power switch provided by the utility model, the operating mechanism drives the insulating rotating shaft to rotate and switch on, the moving contact rotates along with the insulating rotating shaft until colliding with the static contact component, the collision can apply an acting force opposite to the rotating direction of the insulating rotating shaft to the moving contact, the acting force is transmitted to the collision buffer mechanism through the moving contact, and is offset with the biasing force applied by the biasing component, the moving contact keeps a joint state with the static contact component, then the insulating rotating shaft rotates for a certain distance again, at the moment, the moving contact is blocked by the static contact component to rotate around the positioning structure and extrude the biasing component, the biasing force applied to the moving contact is increased after the biasing component is extruded, so that the moving contact is more tightly jointed with the static contact component, and the design has the advantages that, the width of the moving contact is smaller than the width of the opening of the accommodating cavity, the moving contact can penetrate through the accommodating cavity and rotate around the positioning structure, meanwhile, the opening width of the accommodating cavity limits the rotating range of the moving contact, the collision buffer mechanism can offset acting force generated when the moving contact collides with the fixed contact, the moving contact is prevented from rebounding, and the product joint speed is increased.
2. The utility model provides an among dual power switch's contact structure, collision buffer mechanism includes a plurality of groups the biasing part, the moving contact is equipped with a plurality of holding the spacing groove of biasing part, through the spacing groove holding the one end of biasing part makes the biasing part is in insulating pivot rotation in-process, the biasing part is fixed can not deviate from in the spacing groove the holding chamber guarantees collision buffer mechanism's validity.
3. The utility model provides an among dual power switch's contact structure, every group the biasing member includes first biasing member and the second biasing member that sets up in pairs, with the moving contact is the boundary, first biasing member with the second biasing member is located respectively one side of moving contact clockwise and one side of anticlockwise, works as when the moving contact rotates, first biasing member with the second biasing member receives the moving contact extrusion is right the moving contact is applyed opposite direction's biasing force, makes the moving contact is in keep its with the relatively fixed of insulating pivot position when insulating pivot rotates.
4. The utility model provides an among dual power switch's contact structure, first biasing spare with the spring that second biasing spare links to each other as an organic whole, the spring respectively with the moving contact with holding chamber butt, the spring that an organic whole links to each other makes first biasing spare with the second biasing spare is in the insulating pivot draws each other when rotating and fastens, makes the two all fix can not deviate from in the spacing groove the holding chamber improves the reliability of product.
5. The utility model provides an among dual power switch's contact structure, location structure is including setting up the through-hole at moving contact center, and relative the through-hole sets up the locating hole in the insulating pivot centre of a circle, and pass the through-hole with the reference column of locating hole, the moving contact uses the reference column to rotate as the center and sets up in the holding chamber, through the reference column with the setting in holding chamber makes the moving contact can with insulating pivot is together rotated, and with there is certain rotation buffer space when the static contact subassembly joins.
6. The utility model provides an among dual power switch's contact structure, the second static contact with the third static contact is followed first static contact with insulating pivot direction symmetry sets up, first static contact with distance between the second static contact with first static contact with distance between the third static contact is the same, makes the displacement distance is the same when switching power supply or stand-by power supply switch-on in common use at the both ends of moving contact.
7. The utility model provides an among dual power switch's contact structure, the both ends of moving contact are buckled and are extended outside the insulating pivot, its one end is located first static contact with in the middle of the second static contact, its other end is located first static contact with in the middle of the third static contact, this is the initial mounted position of moving contact, the moving contact makes the common power supply combined floodgate or anticlockwise rotation makes the two rotation distance the same when stand-by power supply combined floodgate clockwise, improves the combined floodgate speed that common power supply combined floodgate or stand-by power supply combined floodgate.
8. The utility model provides an among dual power switch's contact structure, insulating pivot includes gear district, sleeve district and is located gear district with contact district between the sleeve district, the holding chamber sets up contact district, gear district with sleeve district sets up on the casing, inside the contact district is located the casing, avoids mutual interference between two dual power switch's the contact structure, promotes the reliability of product, it is protruding that the gear district is equipped with the gear, sleeve district is equipped with suitable embedding the bellied gear groove of gear, in dual power switch's transmission process, be equipped with on the operating device the gear groove, the protruding embedding of gear of insulating pivot is in operating device's gear groove has left out traditional dual power switch's transfer line structure, and mounting structure is simple, transmission process safe and reliable.
9. The utility model provides an among dual power switch's contact structure, still include a plurality of encircles insulating pivot sets up moving contact rotates the arc extinguishing bars piece on the route, the arc extinguishing bars piece can be eliminated the moving contact with the static contact divides the electric arc that produces when breaking, improves the arc extinguishing speed, promotes the breaking capacity of product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic back structural view of a contact structure of a dual power switch according to the present invention;
fig. 2 is a schematic diagram of a front structure of a contact structure of a dual power switch without arc extinguishing grids of the present invention;
FIG. 3 is a vertical cross-sectional view of the insulated spindle shown in FIG. 1;
fig. 4 is a front view of the movable contact shown in fig. 1;
fig. 5 is a horizontal sectional view of the movable contact shown in fig. 2 installed in an insulated rotating shaft;
description of reference numerals:
1-an insulated rotating shaft; 11-a housing chamber; 12-a gear zone; 13-a sleeve zone; 14-a contact region; 15-gear lobe; 16-gear groove; 2-a stationary contact assembly; 21-a first stationary contact; 22-a second stationary contact; 23-a third stationary contact; 3-moving contact; 31-a first biasing member; 32-a second biasing member; 33-a limiting groove; 4-a positioning structure; 41-through holes; 42-positioning holes; 43-a locating post; 5-arc extinguishing grid sheet.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a contact structure of a dual power switch shown in fig. 1 to 5, including:
the insulation rotating shaft 1 is controlled by an operating mechanism to rotate and comprises an accommodating cavity 11 which radially penetrates through the insulation rotating shaft 1;
the static contact component 2 is arranged along the periphery of the insulating rotating shaft 1 and comprises a first static contact 21, a second static contact 22 and a third static contact 23;
the moving contact 3 penetrates through the accommodating cavity 11, the width of the moving contact 3 is smaller than that of an opening of the accommodating cavity 11, a positioning structure 4 is arranged between the moving contact 3 and the insulating rotating shaft 1, the moving contact 3 can rotate around the positioning structure 4 and rotate along with the insulating rotating shaft 1, and two ends of the moving contact 3 can be respectively contacted with the first fixed contact 21 and the second fixed contact 22 or respectively contacted with the first fixed contact 21 and the third fixed contact 23;
the collision buffer mechanism comprises at least one biasing member arranged between the movable contact 3 and the accommodating cavity 11, and the biasing member exerts a biasing force on the movable contact 3 in the same rotating direction as the insulating rotating shaft 1.
The above-mentioned embodiment is a core technical solution of this embodiment, when the operating mechanism drives the insulating rotating shaft 1 to rotate and close the switch, the moving contact 3 rotates along with the insulating rotating shaft 1 until colliding with the static contact assembly 2, the collision applies an acting force to the moving contact 3 in a direction opposite to the rotating direction of the insulating rotating shaft 1, the acting force is transmitted to the collision buffering mechanism through the moving contact 3, and cancels out a biasing force applied by the biasing member, the moving contact 3 and the static contact assembly 2 maintain a joint state, then the insulating rotating shaft 1 rotates a certain distance, at this time, the moving contact 3 is blocked by the static contact assembly 2 to rotate around the positioning structure 4 and press the biasing member, the biasing member increases the biasing force applied to the moving contact 3 after being pressed, so that the moving contact 3 and the static contact assembly 2 are jointed more tightly, the design has the advantages that the width of the movable contact 3 is smaller than that of the opening of the accommodating cavity 11, the movable contact 3 can penetrate through the accommodating cavity 11 and rotate around the positioning structure 4, meanwhile, the opening width of the accommodating cavity 11 also limits the rotation range of the movable contact 3, the collision buffer mechanism can offset acting force generated when the movable contact 3 collides with the static contact component 2, the movable contact is prevented from rebounding, and the product joint speed is improved.
The specific structure of the collision buffer mechanism will be described in detail below with reference to fig. 5:
the collision buffer mechanism comprises a plurality of groups of the biasing members, the moving contact 3 is provided with a plurality of limiting grooves 33 for accommodating the biasing members, one end of the biasing members is accommodated through the limiting grooves 33, so that the biasing members are fixed in the limiting grooves 33 and cannot fall out of the accommodating cavities 11 in the rotating process of the insulating rotating shaft 1, and the effectiveness of the collision buffer mechanism is ensured.
As a preferred embodiment, each set of the biasing members includes a first biasing member 31 and a second biasing member 32, which are arranged in pairs, and the first biasing member 31 and the second biasing member 32 are located on one side of the movable contact 3 in the clockwise direction and one side of the movable contact 3 in the counterclockwise direction, respectively, and when the movable contact 3 rotates, the first biasing member 31 and the second biasing member 32 are pressed by the movable contact 3 to apply biasing forces to the movable contact 3 in opposite directions, so that the movable contact 3 maintains its relative fixation with the position of the insulating rotating shaft 1 when the insulating rotating shaft 1 rotates.
As shown in fig. 3, the first biasing member 31 and the second biasing member 32 are integrally connected springs, the springs are respectively abutted against the movable contact 3 and the accommodating cavity 11, and the integrally connected springs make the first biasing member 31 and the second biasing member 32 mutually fastened and fixed when the insulating rotating shaft 1 rotates, so that both are fixed in the limiting groove 33 and cannot be separated from the accommodating cavity 11, thereby improving the reliability of the product.
As shown in fig. 3-5, the positioning structure 4 includes a through hole 41 disposed at the center of the movable contact 3, a positioning hole 42 disposed at the center of the insulating rotating shaft 1 relative to the through hole 41, and a positioning post 43 penetrating through the through hole 41 and the positioning hole 42, the movable contact 3 is rotatably disposed in the accommodating cavity 11 with the positioning post 43 as the center, and the movable contact 3 can rotate together with the insulating rotating shaft 1 by the disposition of the positioning post 43 and the accommodating cavity 11, and has a certain rotation buffering space when being connected with the stationary contact assembly 2.
The specific structure of the fixed contact assembly 2 is described in detail below with reference to fig. 2:
the second fixed contact 22 and the third fixed contact 23 are symmetrically arranged along the direction of the first fixed contact 21 and the direction of the insulating rotating shaft 1, and the distance between the first fixed contact 21 and the second fixed contact 22 is the same as the distance between the first fixed contact 21 and the third fixed contact 23, so that the moving distances of the two ends of the movable contact 3 during power supply switching are the same.
As a preferred embodiment, two ends of the movable contact 3 extend out of the insulating rotating shaft 1 in a bending manner, one end of the movable contact is located between the first fixed contact 21 and the second fixed contact 22, and the other end of the movable contact is located between the first fixed contact 21 and the third fixed contact 23, which is an initial installation position of the movable contact, when the movable contact rotates clockwise to enable a common power supply to be switched on or rotates counterclockwise to enable a standby power supply to be switched on, the rotation distances of the movable contact and the common power supply are the same, so that the switching-on speed of the common power supply or the standby power supply is increased.
The specific structure of the insulated rotating shaft 1 is described in detail below with reference to fig. 3:
insulating pivot 1 includes gear district 12, sleeve district 13 and is located gear district 12 with contact district 14 between the sleeve district 13, holding chamber 11 sets up contact district 14, gear district 12 with sleeve district 13 sets up on the casing, contact district 14 is located inside the casing, avoids the mutual interference between two dual supply switch's the contact structure, promotes the reliability of product, and further preferred, gear district 12 is equipped with gear arch 15, sleeve district 13 is equipped with and is fit for the embedding gear groove 16 of gear arch 15. In dual power switch's transmission process, operating device is last to be equipped with the gear groove the same with the gear district, the protruding 15 embedding of gear of insulating pivot 1 in operating device's the gear groove, has left out traditional dual power switch's transfer line structure, and mounting structure is simple, and transmission process safe and reliable, in this embodiment, the casing is not drawn in the drawing.
As shown in fig. 1, the contact structure of the dual power switch further includes a plurality of arc-extinguishing bars 5 disposed on the rotation path of the moving contact 3 around the insulating rotating shaft 1, and the arc-extinguishing bars 5 can eliminate the arc generated when the moving contact 3 and the stationary contact assembly 2 are disconnected, thereby increasing the arc-extinguishing speed and improving the breaking capacity of the product.
The operation principle of the contact structure of the dual power switch of the present embodiment is described below with reference to fig. 2 and 5:
when the insulated rotating shaft 1 is at the initial position, one end of the movable contact 3 is located between the first fixed contact 21 and the second fixed contact 22, and the other end of the movable contact is located between the first fixed contact 21 and the third fixed contact 23, and the first biasing member 31 and the second biasing member 32 are not pressed, and the common power supply and the standby power supply are both disconnected;
when the insulating rotating shaft 1 rotates clockwise, the whole movable contact 3 is driven to rotate clockwise; after rotating a certain angle, two ends of the movable contact 3 collide with the first fixed contact 21 and the second fixed contact 22, the collision contact applies an acting force to the movable contact 3 opposite to the rotation direction of the insulating rotating shaft 1, the acting force drives the movable contact 3 to press the first biasing member 31, the biasing force applied by the first biasing member 31 and the acting force counteract each other, the movable contact 3 is kept in contact with the first fixed contact 21 and the second fixed contact 22, the common power supply is switched on, the standby power supply is switched off, the insulating rotating shaft 1 further continues to rotate for a short distance, at this time, the movable contact 3 rotates around the positioning column 43 in the accommodating cavity 11, so that the limiting groove 33 and the accommodating cavity 11 press the first biasing member 31, and the biasing force applied to the movable contact 3 is increased after the first biasing member 31 is pressed, the movable contact 3 is more tightly jointed with the first fixed contact 21 and the second fixed contact 22;
when the insulation rotating shaft 1 rotates anticlockwise, the whole movable contact 3 is driven to rotate anticlockwise; after rotating a certain angle, two ends of the movable contact 3 collide with the first fixed contact 21 and the third fixed contact 23, the collision contact applies an acting force to the movable contact 3 opposite to the rotation direction of the insulating rotating shaft 1, the acting force drives the movable contact 3 to press the second biasing member 32, the biasing force applied by the second biasing member 32 and the acting force counteract each other, the movable contact 3 is kept in contact with the first fixed contact 21 and the third fixed contact 23, the standby power supply is switched on, the common power supply is switched off, the insulating rotating shaft 1 further continues to rotate for a short distance, at this time, the movable contact 3 rotates around the positioning column 43 in the accommodating cavity 11, so that the limiting groove 33 and the accommodating cavity 11 press the second biasing member 32, and the biasing force applied to the movable contact 3 by the second biasing member 321 is increased after being pressed, the movable contact 3 is tightly jointed with the first fixed contact 21 and the third fixed contact 23.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A contact structure of a dual power switch, comprising:
the insulating rotating shaft (1) is controlled by the operating mechanism to rotate and comprises an accommodating cavity (11) which radially penetrates through the insulating rotating shaft (1);
the fixed contact assembly (2) is arranged along the periphery of the insulating rotating shaft (1) and comprises a first fixed contact (21), a second fixed contact (22) and a third fixed contact (23);
the moving contact (3) penetrates through the accommodating cavity (11), the width of the moving contact (3) is smaller than that of an opening of the accommodating cavity (11), a positioning structure (4) is arranged between the moving contact (3) and the insulating rotating shaft (1), the moving contact (3) can rotate around the positioning structure (4) and rotate along with the insulating rotating shaft (1), and two ends of the moving contact (3) can be respectively contacted with the first fixed contact (21) and the second fixed contact (22) or respectively contacted with the first fixed contact (21) and the third fixed contact (23);
the collision buffer mechanism comprises at least one biasing member arranged between the movable contact (3) and the accommodating cavity (11), and the biasing member exerts a biasing force on the movable contact (3) in the same direction as the rotation direction of the insulating rotating shaft (1).
2. The contact structure of the dual-power switch according to claim 1, wherein the collision buffer mechanism comprises a plurality of sets of the biasing members, and the movable contact (3) is provided with a plurality of limiting grooves (33) for accommodating the biasing members.
3. The contact structure of the dual-power switch according to claim 2, wherein each set of the biasing members comprises a first biasing member (31) and a second biasing member (32) arranged in pairs, and the first biasing member (31) and the second biasing member (32) are located on one side of the movable contact (3) in a clockwise direction and one side of the movable contact in a counterclockwise direction, respectively.
4. The contact structure of a dual-power switch according to claim 3, wherein said first biasing member (31) and said second biasing member (32) are integrally connected springs, and said springs are respectively abutted against said movable contact (3) and said housing chamber (11).
5. The contact structure of the dual-power switch as claimed in claim 4, wherein the positioning structure (4) comprises a through hole (41) disposed at the center of the movable contact (3), a positioning hole (42) disposed at the center of the insulating rotating shaft (1) relative to the through hole (41), and a positioning post (43) passing through the through hole (41) and the positioning hole (42), and the movable contact (3) is rotatably disposed in the accommodating cavity (11) with the positioning post (43) as the center.
6. The contact structure of the dual-power switch of claim 1, wherein the second fixed contact (22) and the third fixed contact (23) are symmetrically arranged along the first fixed contact (21) and the insulating rotating shaft (1).
7. The contact structure of the dual-power switch according to claim 6, wherein two ends of the movable contact (3) are bent and extended out of the insulating rotating shaft (1), one end of the movable contact is located between the first fixed contact (21) and the second fixed contact (22), and the other end of the movable contact is located between the first fixed contact (21) and the third fixed contact (23).
8. The contact structure of the dual-power switch according to any one of claims 1-7, characterized in that the insulating rotating shaft (1) comprises a gear area (12), a sleeve area (13) and a contact area (14) located between the gear area (12) and the sleeve area (13), and the accommodating cavity (11) is arranged in the contact area (14).
9. The contact structure of the dual power switch of claim 8, wherein the gear area (12) is provided with a gear protrusion (15), and the sleeve area (13) is provided with a gear groove (16) suitable for being embedded into the gear protrusion (15).
10. The contact structure of the dual-power switch of claim 9, further comprising a plurality of arc-extinguishing grids (5) arranged on the rotation path of the movable contact (3) around the insulating rotating shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922062564.9U CN210606991U (en) | 2019-11-26 | 2019-11-26 | Contact structure of dual-power switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922062564.9U CN210606991U (en) | 2019-11-26 | 2019-11-26 | Contact structure of dual-power switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210606991U true CN210606991U (en) | 2020-05-22 |
Family
ID=70695858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922062564.9U Active CN210606991U (en) | 2019-11-26 | 2019-11-26 | Contact structure of dual-power switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210606991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880428A (en) * | 2019-11-26 | 2020-03-13 | 乐清东海电器有限公司 | Contact structure of dual-power switch |
| CN112713015A (en) * | 2020-12-14 | 2021-04-27 | 河南平高电气股份有限公司 | Contact fastening connection structure and high-voltage switch equipment |
-
2019
- 2019-11-26 CN CN201922062564.9U patent/CN210606991U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880428A (en) * | 2019-11-26 | 2020-03-13 | 乐清东海电器有限公司 | Contact structure of dual-power switch |
| CN112713015A (en) * | 2020-12-14 | 2021-04-27 | 河南平高电气股份有限公司 | Contact fastening connection structure and high-voltage switch equipment |
| CN112713015B (en) * | 2020-12-14 | 2024-04-05 | 河南平高电气股份有限公司 | Contact fastening connection structure and high-voltage switch equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210606991U (en) | Contact structure of dual-power switch | |
| CN110880428A (en) | Contact structure of dual-power switch | |
| EP3631826B1 (en) | Electrical contact system | |
| TWM565390U (en) | Improved switch device structure | |
| CN111696815A (en) | Contact device and automatic change-over switch electric appliance | |
| CN102005342A (en) | Slide type movable contactor assembly for circuit breaker | |
| CN211088097U (en) | Main loop single-pole device of automatic change-over switch electric appliance | |
| CN209859852U (en) | Two direction switch | |
| WO2018206397A1 (en) | Pyrotechnic circuit breaker. | |
| CN210123696U (en) | Three-station electric mechanism stopping device | |
| CN219778805U (en) | Circuit breaker even board limit structure and circuit breaker | |
| US20200098531A1 (en) | Electrical Contact System | |
| CN113745068A (en) | Operating mechanism of circuit breaker | |
| CN219591300U (en) | Synchronous micro-switch | |
| CN221884931U (en) | Contact device for increasing opening distance and dual-power automatic transfer switch | |
| CN220672412U (en) | Moving contact assembly and isolating switch | |
| CN211208372U (en) | Reversible static contact | |
| CN218769179U (en) | Contact mechanism for automatic change-over switch | |
| CN218513407U (en) | Contact device, contact system and circuit breaker | |
| CN111799123A (en) | Static contact component and isolating switch using same | |
| CN212033355U (en) | A electrically conductive connecting device and shielding sleeve for shielding sleeve | |
| CN116344249A (en) | Synchronous micro-switch | |
| CN218215023U (en) | Push-button switch | |
| CN212277053U (en) | Arc control device of dual-power switch | |
| US12142446B2 (en) | Auxiliary contact system of contactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |