CN108565138B - Switch contact group mechanism - Google Patents
Switch contact group mechanism Download PDFInfo
- Publication number
- CN108565138B CN108565138B CN201810584881.4A CN201810584881A CN108565138B CN 108565138 B CN108565138 B CN 108565138B CN 201810584881 A CN201810584881 A CN 201810584881A CN 108565138 B CN108565138 B CN 108565138B
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- CN
- China
- Prior art keywords
- movable contact
- contact group
- push rod
- group
- spring
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 230000009471 action Effects 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 239000010703 silicon Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007363 regulatory process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/502—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position the action of the contact pressure spring becoming active only after engagement of the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/62—Heating or cooling of contacts
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention relates to a switch contact group mechanism which comprises a base, a push rod spring seat, a push rod spring and a push rod, wherein the push rod spring seat is used for compressing the push rod spring to enable the end part of the first bulge part and the end part of the first movable contact group to be firstly contacted and conducted under the action of the first movable contact group spring, and the push rod continuously compresses the push rod spring to enable the end part of the second bulge part and the end part of the second movable contact group to be firstly contacted and conducted after the second bulge part and the end part of the second movable contact group are separated from contact under the action of the second movable contact group spring. The contact group mechanism is a mechanism with modularized overall design, is assembled with the silicon controlled rectifier, the radiating fin and the circuit board, has higher assembly modularization and assembly efficiency, has strong breaking function, has very strong anti-seismic performance, compact structure and wide application range.
Description
Technical Field
The invention relates to the field of switches, in particular to a switch contact group mechanism.
Background
At present, a speed regulating switch contact group and a push rod are independently arranged in the market, parts are scattered, the structure is complex, the assembly efficiency is low in the actual assembly process of the switch, and meanwhile, a contact welding column is at risk of being disconnected. The patent provides a switch contact group mechanism, can solve foretell problem.
Disclosure of Invention
The invention provides a switch contact group mechanism for solving the problems in the prior art.
In order to solve the problems, the invention provides a switch contact group mechanism, which comprises a base, a push rod spring seat, a push rod spring and a push rod, wherein a containing cavity is formed on the right side of the base, the push rod is arranged in the containing cavity, the push rod spring seat is arranged at the bottom of the right side of the base, the push rod spring seat is sleeved with the push rod spring, and the top of the push rod spring is in contact with the bottom of the push rod, and the switch contact group mechanism is characterized in that: the device also comprises a movable contact bracket, a static contact group, a binding post group, a first movable contact group spring, a second movable contact group and a second movable contact group spring;
the static contact group is provided with a static contact, the binding post group is provided with a contact point, the first movable contact group is provided with a first movable contact, the second movable contact group is provided with a second movable contact, the first movable contact is in contact conduction with the contact point, and the second movable contact is in contact conduction with the static contact;
the push rod is provided with a first protruding part and a second protruding part, the first protruding part is in movable contact with the end part of the first movable contact group, the other end of the first movable contact group is provided with a first movable contact, the second protruding part is in movable contact with the end part of the second movable contact group, and the other end of the second movable contact group is provided with a second movable contact;
the push rod compresses the push rod spring to enable the first protruding portion to be separated from the end portion of the first movable contact group firstly, the push rod continues to compress the push rod spring to enable the second protruding portion to be separated from the end portion of the second movable contact group, the first protruding portion is separated from the end portion of the first movable contact group and then enables the first movable contact to be contacted and conducted with the contact point firstly under the action of the first movable contact group spring, and the second protruding portion is separated from the end portion of the second movable contact group and enables the second movable contact to be contacted and conducted with the stationary contact after the second movable contact is contacted and conducted under the action of the second movable contact group spring. Thus, the first movable contact is contacted and conducted with the contact point first, the switch is formally started, the push rod continuously moves downwards, the downward stroke of the push rod is designed to be 0.1-3.5MM, when the push rod moves downwards for 3.5MM, the second movable contact is contacted and conducted with the stationary contact, the switch works at full speed, and a resistance adjusting process of the mechanism, namely a speed adjusting process, is arranged between 0.1-3.5 MM;
the movable contact piece support is provided with a first bayonet and a second bayonet, the first movable contact group is provided with a first movable contact group bayonet, the second movable contact group is provided with a second movable contact group bayonet, the first bayonet and the first movable contact group bayonet are nested together, and the second bayonet and the second movable contact group bayonet are nested together.
As an improvement, the first protruding part and the second protruding part arranged on the push rod are of cuboid structures, the length of the cuboid edge of the second protruding part is smaller than that of the first protruding part, the end part of the first movable contact group is of an L-shaped structure, and the end part of the second movable contact group is of a Z-shaped structure.
As a further improvement, the first movable contact group bayonet and the second movable contact group bayonet are of an I-shaped structure.
As a further improvement, a chute is formed in the base, and the chute is used for placing and fixing the end parts of the first movable contact group spring and the second movable contact group spring.
As a further improvement, a first movable contact group spring salient point is arranged on the first movable contact group, and the first movable contact group spring is sleeved on the first movable contact group spring salient point.
As a further improvement, a second movable contact group spring salient point is arranged on the second movable contact group, and the second movable contact group spring is sleeved on the second movable contact group spring salient point.
From the above description, the present invention has the following advantages:
1. the contact group mechanism is a mechanism with modularized overall design, can be directly assembled with the silicon controlled rectifier, the radiating fin and the circuit board, and has modularized components, simple structure and higher assembly efficiency.
2. The push rod spring designed by the contact group mechanism has strong elasticity, so that the push rod can be reset quickly when reset, and then the first protruding part and the second protruding part on the push rod act on the end part of the first movable contact group and the end part of the second movable contact group, so that the first movable contact is disconnected with the contact point quickly, and the second movable contact is disconnected with the static contact quickly, thus the switch has a strong breaking function and more reliable performance.
3. The first bulge part and the second bulge part which are specially designed on the push rod of the contact group mechanism can be respectively connected with the first movable contact and the contact point and the second movable contact and the fixed contact when being separated from contact with the end part of the first movable contact group and the end part of the second movable contact group, so that the push rod is not contacted with the first movable contact group and the second movable contact group when being connected, and thus, when the hand shakes or other unexpected shaking conditions occur, the first movable contact group spring and the second movable contact group spring which are specially designed between the base chute and the first movable contact group and the second movable contact group are matched, and the shock resistance of the switch is very strong;
4. the switch has compact structure and wide application range.
Drawings
FIG. 1 is an exploded schematic view of the present invention;
FIG. 2 is a schematic diagram of a side structure of the present invention;
FIG. 3 is a schematic view of another side construction of the present invention;
reference numerals: 1. the device comprises a base, 2, a movable contact bracket, 3, a static contact group, 4, a binding post group, 5, a first movable contact group, 6, a first movable contact group spring, 7, a second movable contact group, 8, a spring seat, 9, a push rod spring, 10, a push rod, 11, a second movable contact group spring, 12, an accommodating cavity, 13 and a chute;
101. a first boss 102, a second boss 201, a first bayonet 202, a first bayonet; 301. stationary contact, 401, contact point;
501. the first movable contact 502, the end part of the first movable contact group, 503, the first movable contact group bayonet, 504 and the first movable contact group spring salient point;
701. the second movable contact 702, the end part of the second movable contact group 703, the second movable contact group bayonet, 704 and the second movable contact group spring convex point.
Detailed Description
A first embodiment of the invention is described in detail in connection with fig. 1 to 3, but without any limitation to the claims of the invention.
As shown in fig. 1 to 3, a switch contact group mechanism includes a base 1, a push rod spring seat 8, a push rod spring 9 and a push rod 10, a containing cavity 12 is provided on the right side of the base 1, the push rod 10 is placed in the containing cavity 12, the push rod spring seat 8 is provided at the bottom of the right side of the base 1, the push rod spring seat 8 is sleeved with the push rod spring 9, and the top of the push rod spring 9 contacts with the bottom of the push rod 10, and the switch contact group mechanism is characterized in that: the device also comprises a movable contact bracket 2, a static contact group 3, a binding post group 4, a first movable contact group 5, a first movable contact group spring 6, a second movable contact group 7 and a second movable contact group spring 11;
the static contact group 3 is provided with a static contact 301, the binding post group 4 is provided with a contact point 401, the first movable contact group 5 is provided with a first movable contact 501, the second movable contact group 7 is provided with a second movable contact 701, the first movable contact 501 is in contact conduction with the contact point 401, and the second movable contact 701 is in contact conduction with the static contact 301;
the push rod 10 is provided with a first protruding part 101 and a second protruding part 102, the first protruding part 101 is in movable contact with an end 502 of a first movable contact group, a first movable contact 501 is arranged at the other end of the first movable contact group 5, the second protruding part 102 is in movable contact with an end 702 of a second movable contact group, and a second movable contact 701 is arranged at the other end of the second movable contact group 7;
the push rod 10 compresses the push rod spring 9 to enable the first protruding part 101 to be separated from the end 502 of the first movable contact group firstly, the push rod 10 continuously compresses the push rod spring 9 to enable the second protruding part 102 to be separated from the end 702 of the second movable contact group, the first protruding part 101 is separated from the end 502 of the first movable contact group and then is contacted and conducted with the contact point 401 firstly under the action of the first movable contact group spring 6, the second protruding part 102 is separated from the end 702 of the second movable contact group and then is contacted and conducted with the stationary contact point 301 secondly under the action of the second movable contact group spring 11, so that the first movable contact point is contacted and conducted firstly, the switch is formally started, the push rod continuously moves downwards, the downward stroke of the push rod is designed to be 0.1-3.5MM, when the push rod moves downwards for 3.5MM, the second movable contact point is contacted and conducted with the stationary contact point, and the switch is conducted at full speed, and the speed regulating process of the mechanism, namely, the speed regulating process is between 0.1-3.5 MM;
the movable contact piece support 2 is provided with a first bayonet 201 and a second bayonet 202, the first movable contact group 5 is provided with a first movable contact group bayonet 503, the second movable contact group 7 is provided with a second movable contact group bayonet 703, the first bayonet 201 and the first movable contact group bayonet 503 are nested together, and the second bayonet 202 and the second movable contact group bayonet 703 are nested together.
More specifically, the first protruding portion 101 and the second protruding portion 102 provided on the push rod 10 are in a cuboid structure, and the length of the cuboid side of the second protruding portion 102 is smaller than that of the first protruding portion 101, the end 502 of the first movable contact group is in an L-shaped structure, and the end 702 of the second movable contact group is in a zigzag structure.
More specifically, the first movable contact group bayonet 503 and the second movable contact group bayonet 703 have an i-shaped structure.
More specifically, the base 1 is provided therein with a chute 13, and the chute 13 is used for placing and fixing the ends of the first movable contact group spring 6 and the second movable contact group spring 11.
More specifically, the first movable contact group 5 is provided with a first movable contact group spring bump 504, and the first movable contact group spring 6 is sleeved on the first movable contact group spring bump 504.
More specifically, the second movable contact group 7 is provided with a second movable contact group spring bump 704, and the second movable contact group spring 11 is sleeved on the second movable contact group spring bump 704.
In summary, the invention has the following advantages:
1. the contact group mechanism is a mechanism with modularized overall design, can be directly assembled with the silicon controlled rectifier, the radiating fin and the circuit board, and has modularized components, simple structure and higher assembly efficiency.
2. The push rod spring designed by the contact group mechanism has strong elastic force, so that the push rod can be quickly reset when reset, and further the first protruding part 101 and the second protruding part on the push rod act on the end 502 of the first movable contact group and the end of the second movable contact group, so that the first movable contact 501 is quickly disconnected from the contact point 401, and the second movable contact 701 is quickly disconnected from the fixed contact 301, thus the switch has a strong breaking function and more reliable performance.
3. The first bulge part 101 and the second bulge part 102 which are specially designed on the push rod 10 of the contact group mechanism can be respectively connected with the first movable contact 501 and the contact point 401 and the second movable contact 701 and the fixed contact 301 only when the first bulge part 101 and the second bulge part 102 are separated from contact with the end part 502 of the first movable contact group and the end part 702 of the second movable contact group, so that the push rod 10 is not contacted with the first movable contact group 5 and the second movable contact group 7 when the push rod is connected, and therefore, when a hand shakes or other unexpected shaking conditions occur, the first movable contact group spring 6 and the second movable contact group spring 11 which are specially designed between the chute 13 on the base and the first movable contact group 5 and the second movable contact group 7 are matched, and the shock resistance of the switch is very strong;
4. the switch has compact structure and wide application range.
It will be understood that the above detailed description of the present invention is provided for illustrating the present invention and not for limiting the technical scheme described by the embodiments of the present invention, and it will be understood by those skilled in the art that the present invention may be modified or substituted for the same technical effect without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (6)
1. The utility model provides a switch contact group mechanism, includes base (1), push rod spring holder (8), push rod spring (9) and push rod (10), holding cavity (12) have been seted up on base (1) right side place push rod (10) in holding cavity (12), base (1) right side bottom is provided with push rod spring holder (8), the cover is equipped with push rod spring (9) on push rod spring holder (8), the top of push rod spring (9) with the bottom contact of push rod (10), its characterized in that: the device further comprises a movable contact piece bracket (2), a static contact group (3), a binding post group (4), a first movable contact group (5), a first movable contact group spring (6), a second movable contact group (7) and a second movable contact group spring (11);
the static contact group (3) is provided with a static contact (301), the binding post group (4) is provided with a contact point (401), the first movable contact group (5) is provided with a first movable contact (501), the second movable contact group (7) is provided with a second movable contact (701), the first movable contact (501) is in contact conduction with the contact point (401), and the second movable contact (701) is in contact conduction with the static contact (301);
the push rod (10) is provided with a first protruding part (101) and a second protruding part (102), the first protruding part (101) is in movable contact with the end part (502) of the first movable contact group, the other end of the first movable contact group (5) is provided with a first movable contact (501), the second protruding part (102) is in movable contact with the end part (702) of the second movable contact group, and the other end of the second movable contact group (7) is provided with a second movable contact (701);
the push rod (10) compresses a push rod spring (9) to enable the first protruding part (101) to be separated from contact with the end part (502) of the first movable contact group, the push rod (10) continues to compress the push rod spring (9) to enable the second protruding part (102) to be separated from contact with the end part (702) of the second movable contact group, after the first protruding part (101) is separated from contact with the end part (502) of the first movable contact group, the first movable contact (501) is contacted and conducted with the contact point (401) under the action of a first movable contact group spring (6), and the second protruding part (102) is separated from contact with the end part (702) of the second movable contact group to enable the second movable contact (701) to be contacted and conducted with the fixed contact (301) under the action of a second movable contact group spring (11);
the movable contact piece support (2) is provided with a first bayonet (201) and a second bayonet (202), the first movable contact group (5) is provided with a first movable contact group bayonet (503), the second movable contact group (7) is provided with a second movable contact group bayonet (703), the first bayonet (201) is nested with the first movable contact group bayonet (503), and the second bayonet (202) is nested with the second movable contact group bayonet (703).
2. The switch contact set mechanism of claim 1, wherein: the first protruding portion (101) and the second protruding portion (102) arranged on the push rod (10) are of cuboid structures, the length of the cuboid edge of the second protruding portion (102) is smaller than that of the first protruding portion (101), the end portion (502) of the first movable contact group is of an L-shaped structure, and the end portion (702) of the second movable contact group is of a Z-shaped structure.
3. The switch contact set mechanism of claim 2, wherein: the first movable contact group bayonet (503) and the second movable contact group bayonet (703) are of an I-shaped structure.
4. A switch contact set mechanism according to claim 3, wherein: the base (1) is internally provided with a chute (13), and the chute (13) is used for placing and fixing the end parts of the first movable contact group spring (6) and the second movable contact group spring (11).
5. The switch contact set mechanism of claim 4, wherein: the first movable contact group (5) is provided with a first movable contact group spring bump (504), and the first movable contact group spring (6) is sleeved on the first movable contact group spring bump (504).
6. The switch contact set mechanism of claim 5, wherein: the second movable contact group (7) is provided with a second movable contact group spring salient point (704), and the second movable contact group spring (11) is sleeved on the second movable contact group spring salient point (704).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810584881.4A CN108565138B (en) | 2018-06-08 | 2018-06-08 | Switch contact group mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810584881.4A CN108565138B (en) | 2018-06-08 | 2018-06-08 | Switch contact group mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108565138A CN108565138A (en) | 2018-09-21 |
| CN108565138B true CN108565138B (en) | 2023-12-12 |
Family
ID=63553243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810584881.4A Active CN108565138B (en) | 2018-06-08 | 2018-06-08 | Switch contact group mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108565138B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565138B (en) * | 2018-06-08 | 2023-12-12 | 苏州华之杰电讯股份有限公司 | Switch contact group mechanism |
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|---|---|---|---|---|
| EP0506503A1 (en) * | 1991-03-29 | 1992-09-30 | Hager Electro S.A. | Locking mechanism for circuit breaker |
| EP1353349A2 (en) * | 2002-04-12 | 2003-10-15 | ABB PATENT GmbH | Auxiliary switch |
| CN201804765U (en) * | 2010-05-28 | 2011-04-20 | 浙江科都电气制造有限公司 | Modular change-over switch |
| CN202275760U (en) * | 2011-09-30 | 2012-06-13 | 上海永星电子开关有限公司 | Bipolar single-knife button switch of low cost |
| CN204537929U (en) * | 2015-02-11 | 2015-08-05 | 江苏瀚晨电气科技有限公司 | Permanent-magnetic small-size vacuum circuit breaker of modularized ring main unit |
| CN105489413A (en) * | 2015-12-04 | 2016-04-13 | 张家港华捷电子有限公司 | Shockproof direct-current switch for motor |
| CN105742084A (en) * | 2016-04-07 | 2016-07-06 | 苏州华之杰电讯有限公司 | Contact mechanism of switch |
| CN105761962A (en) * | 2016-04-06 | 2016-07-13 | 中国船舶重工集团公司第七〇二研究所 | Electric transfer switch |
| CN205657011U (en) * | 2016-05-10 | 2016-10-19 | 如皋市易之生电子元件有限公司 | Heavy load pressure switch |
| CN108565138A (en) * | 2018-06-08 | 2018-09-21 | 苏州华之杰电讯股份有限公司 | A kind of switch contact group mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005028474B4 (en) * | 2005-06-20 | 2008-04-30 | Siemens Ag | Contact system has movable contact bridge swiveling about a jointed axis giving two contacts with only one used normally and both in the case of a current overload or short circuit |
-
2018
- 2018-06-08 CN CN201810584881.4A patent/CN108565138B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0506503A1 (en) * | 1991-03-29 | 1992-09-30 | Hager Electro S.A. | Locking mechanism for circuit breaker |
| EP1353349A2 (en) * | 2002-04-12 | 2003-10-15 | ABB PATENT GmbH | Auxiliary switch |
| CN201804765U (en) * | 2010-05-28 | 2011-04-20 | 浙江科都电气制造有限公司 | Modular change-over switch |
| CN202275760U (en) * | 2011-09-30 | 2012-06-13 | 上海永星电子开关有限公司 | Bipolar single-knife button switch of low cost |
| CN204537929U (en) * | 2015-02-11 | 2015-08-05 | 江苏瀚晨电气科技有限公司 | Permanent-magnetic small-size vacuum circuit breaker of modularized ring main unit |
| CN105489413A (en) * | 2015-12-04 | 2016-04-13 | 张家港华捷电子有限公司 | Shockproof direct-current switch for motor |
| CN105761962A (en) * | 2016-04-06 | 2016-07-13 | 中国船舶重工集团公司第七〇二研究所 | Electric transfer switch |
| CN105742084A (en) * | 2016-04-07 | 2016-07-06 | 苏州华之杰电讯有限公司 | Contact mechanism of switch |
| CN205657011U (en) * | 2016-05-10 | 2016-10-19 | 如皋市易之生电子元件有限公司 | Heavy load pressure switch |
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| Publication number | Publication date |
|---|---|
| CN108565138A (en) | 2018-09-21 |
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