CN119132848A - A micro switch with adjustable force - Google Patents
A micro switch with adjustable force Download PDFInfo
- Publication number
- CN119132848A CN119132848A CN202411617509.0A CN202411617509A CN119132848A CN 119132848 A CN119132848 A CN 119132848A CN 202411617509 A CN202411617509 A CN 202411617509A CN 119132848 A CN119132848 A CN 119132848A
- Authority
- CN
- China
- Prior art keywords
- beryllium copper
- spring plate
- fulcrum
- copper spring
- arm
- 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.)
- Pending
Links
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 239000012634 fragment Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Contacts (AREA)
Abstract
本发明为一种可调作用力的微动开关，铍铜弹片一端设有公共端触点，铍铜弹片另一端为顶针施加作用力的铍铜弹片大臂，铍铜弹片大臂的两侧为弹片端面，铍铜弹片大臂末端固定设置在两个支点支架之间，两个弹片端面抵在对应的支点支架的一端端面的支点卡槽上，公共端触点上方设有常闭触点，公共端触点下方设有常开触点。其优点在于：支点支架与弹片端面接触一端设置有竖向排列的支点卡槽，并根据实际需要提供的弹力调整弹片端面接触的支点卡槽位置。
The present invention is a micro switch with adjustable force, a common end contact is provided at one end of the beryllium copper spring, the other end of the beryllium copper spring is a beryllium copper spring arm for applying force by a pin, the two sides of the beryllium copper spring arm are spring end faces, the end of the beryllium copper spring arm is fixedly arranged between two fulcrum brackets, the two spring end faces are against the fulcrum slots of one end face of the corresponding fulcrum bracket, a normally closed contact is provided above the common end contact, and a normally open contact is provided below the common end contact. Its advantage is that a vertically arranged fulcrum slot is provided at one end of the fulcrum bracket that contacts the end face of the spring, and the position of the fulcrum slot contacted by the end face of the spring can be adjusted according to the elastic force provided in actual needs.
Description
Technical Field
The invention belongs to the field of switches, and relates to a micro-switch with adjustable acting force.
Background
The micro switch is a switch which is widely used in the control application field, and has simple structure and reliable use. In order to ensure reliable switching contact between the public terminal contact and the normally-open contact and between the public terminal contact and the normally-closed contact after the thimble applies acting force to the big arm of the beryllium copper shrapnel, the fixed point of the end face of the shrapnel and the big arm of the shrapnel need to be in a uniform horizontal plane, and the public terminal contact is contacted with the normally-closed contact by virtue of the acting force of 0.7-0.9N provided by the beryllium copper shrapnel after the acting force of the thimble to the big arm of the beryllium copper shrapnel disappears.
When the existing product is used in places with external force impact, the beryllium copper spring sheet cannot provide larger acting force, so that the public end contact is driven to be reliably contacted with the normally closed contact. The public end contact is contacted with the normally open contact, and the hardness of the beryllium copper spring piece large arm is insufficient to bear the acting force exerted by the thimble.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a micro switch with adjustable acting force.
In order to achieve the aim, the invention adopts the following technical scheme that the micro switch with adjustable acting force comprises a beryllium copper spring piece, fulcrum brackets, normally open contacts, normally closed contacts and a common end contact, wherein one end of the beryllium copper spring piece is provided with the common end contact, the other end of the beryllium copper spring piece is a beryllium copper spring piece big arm with the thimble exerting acting force, two sides of the beryllium copper spring piece big arm are spring piece end faces, the tail end of the beryllium copper spring piece big arm is fixedly arranged between the two fulcrum brackets, the two spring piece end faces are propped against fulcrum clamping grooves of one end face of the corresponding fulcrum brackets, the normally closed contacts are arranged above the common end contact, and the normally open contacts are arranged below the common end contact;
The fulcrum support comprises a transverse section and a vertical section, wherein the transverse section is connected with the vertical section towards the end face of the spring plate to form an L shape, the two fulcrum supports are arranged in parallel, the tail end of the beryllium copper spring plate large arm is fixed between the two transverse sections through a connecting plate and a bolt, the vertical section is provided with a plurality of vertically arranged fulcrum clamping grooves towards the end face of the spring plate, and the end face of the spring plate selects the corresponding fulcrum clamping grooves according to the elasticity provided by actual needs.
Further, a reinforcing arm which covers the point of the force exerted by the thimble on the beryllium copper spring piece large arm is arranged above the tail end of the beryllium copper spring piece large arm.
Further, the reinforcing arm is sleeved at the tail end of the large arm of the beryllium copper spring plate.
Further, one end of the reinforcing arm is fixed with the tail end of the beryllium copper spring piece large arm.
The spring plate end face adjusting device has the beneficial effects that firstly, one end, contacted with the spring plate end face, of the fulcrum support is provided with vertically arranged fulcrum clamping grooves, and the position of the fulcrum clamping grooves contacted with the spring plate end face is adjusted according to elasticity provided by actual needs.
And secondly, a reinforcing arm is arranged at the outer side of the tail end of the beryllium copper spring piece large arm, the thimble applies an acting force on the reinforcing arm, and the reinforcing arm applies an acting force on the beryllium copper spring piece large arm again, so that the beryllium copper spring piece large arm is changed to be used as a stress point and a stress stroke, and the large acting force is enough to separate the public end contact from the normally closed contact and enable the public end contact to be in contact with the normally open contact.
Drawings
Fig. 1 is a schematic diagram of the structure of the invention.
The spring comprises a beryllium copper spring plate 1, a fulcrum bracket 2, a normally open contact 3, a normally closed contact 4, a thimble 5, a reinforcing arm 6, a beryllium copper spring plate large arm 11, a spring plate end face 12, a common end contact 13, a beryllium copper spring plate large arm tail end 14, a fulcrum clamping groove 21, a transverse section 22, a vertical section 23, a normally open contact bracket 31 and a normally closed contact bracket 41.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments.
Embodiment 1 referring to fig. 1, a micro switch with adjustable acting force comprises a beryllium copper spring plate 1, a fulcrum support 2, a normally open contact 3, a normally closed contact 4 and a common end contact 13, wherein one end of the beryllium copper spring plate 1 is provided with the common end contact 13, the other end of the beryllium copper spring plate 1 is a beryllium copper spring plate large arm 11 with the acting force applied by a thimble 5, two sides of the beryllium copper spring plate large arm 11 are spring plate end faces 12, the tail end of the beryllium copper spring plate large arm 11 is fixedly arranged between the two fulcrum supports 2, the two spring plate end faces 12 are abutted against fulcrum clamping grooves 21 of one end face of the corresponding fulcrum support, the normally closed contact 4 is arranged above the common end contact 13, and the normally open contact 3 is arranged below the common end contact 13.
The utility model provides a micro-gap switch of adjustable effort, the fulcrum support includes horizontal section 22 and vertical section 23, and horizontal section is connected with vertical section towards shell fragment terminal surface end and forms the L type, two fulcrum supports parallel arrangement, through link plate and bolt fastening beryllium copper shell fragment big arm end 14 between two horizontal sections, and vertical section is equipped with a plurality of vertical arranged fulcrum draw-in grooves towards shell fragment terminal surface side. The spring plate end face selects the corresponding fulcrum clamping groove according to the elasticity provided by actual needs.
A micro-switch with adjustable acting force is characterized in that a normally closed contact 4 is arranged above a common end contact through a normally closed contact bracket 41.
The utility model provides a micro-gap switch of adjustable effort, normally open contact 3 passes through normally open contact support 31 and sets up below the common terminal contact.
A strengthening arm 6 for covering the point of acting force of the beryllium copper spring piece large arm applied by the thimble is arranged above the tail end of the beryllium copper spring piece large arm.
A micro-switch with adjustable acting force is characterized in that a reinforcing arm is sleeved at the tail end of a large arm of a beryllium copper spring piece.
One end of the reinforcing arm of the micro switch is fixed with the tail end of the beryllium copper spring piece large arm through a connecting plate and a bolt.
A micro-switch with adjustable acting force is characterized in that one end of a reinforcing arm is fixed with the tail end of a beryllium copper spring piece large arm in a buckling mode.
A micro-switch with adjustable acting force is characterized in that one end of a reinforcing arm is fixed with the tail end of a beryllium copper spring piece large arm through other existing structures.
The utility model provides a micro-gap switch of adjustable effort, the farther down shell fragment terminal surface and shell fragment big arm fixed point horizontal plane distance under the same environment, the effort that public end contact applys to normally closed contact is bigger, consequently, we set up the fulcrum support to L, and fulcrum support and shell fragment terminal surface contact one end set up a plurality of vertical arrangement's fulcrum draw-in groove to according to the elasticity selection and shell fragment terminal surface complex fulcrum draw-in groove position that actual need provided.
A micro-switch with adjustable acting force is characterized in that a reinforcing arm is arranged at the position of an acting force point applied by a beryllium copper spring piece large arm thimble, so that the beryllium copper spring piece large arm is changed to act as a force point and a force stroke, the beryllium copper spring piece large arm has enough acting force to separate a public end contact from a normally closed contact, and the public end contact is contacted with a normally open contact. The problem that the beryllium copper spring piece large arm is bent due to the fact that the stress of the beryllium copper spring piece large arm is insufficient to offset the acting force generated by the beryllium copper spring piece is solved.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (4)
1. The micro switch comprises a beryllium copper spring plate, fulcrum brackets, normally-open contacts, normally-closed contacts and public end contacts, and is characterized in that one end of the beryllium copper spring plate is provided with the public end contacts, the other end of the beryllium copper spring plate is a beryllium copper spring plate big arm with a thimble exerting force, two sides of the beryllium copper spring plate big arm are spring plate end faces, the tail ends of the beryllium copper spring plate big arm are fixedly arranged between the two fulcrum brackets, the two spring plate end faces are propped against fulcrum clamping grooves of one end face of the corresponding fulcrum brackets, the normally-closed contacts are arranged above the public end contacts, and normally-open contacts are arranged below the public end contacts;
The fulcrum support comprises a transverse section and a vertical section, wherein the transverse section is connected with the vertical section towards the end face of the spring plate to form an L shape, the two fulcrum supports are arranged in parallel, the tail end of the beryllium copper spring plate large arm is fixed between the two transverse sections through a connecting plate and a bolt, the vertical section is provided with a plurality of vertically arranged fulcrum clamping grooves towards the end face of the spring plate, and the end face of the spring plate selects the corresponding fulcrum clamping grooves according to the elasticity provided by actual needs.
2. The force-adjustable micro switch of claim 1, wherein a reinforcing arm covering a point of force applied by the ejector pin is arranged above the tail end of the beryllium copper spring plate large arm.
3. The force-adjustable micro switch of claim 2, wherein the reinforcing arm is sleeved at the tail end of the large arm of the beryllium copper spring.
4. The force adjustable micro switch as set forth in claim 2, wherein the reinforcing arm has one end fixed to the end of the large arm of the beryllium copper spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411617509.0A CN119132848A (en) | 2024-11-13 | 2024-11-13 | A micro switch with adjustable force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411617509.0A CN119132848A (en) | 2024-11-13 | 2024-11-13 | A micro switch with adjustable force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119132848A true CN119132848A (en) | 2024-12-13 |
Family
ID=93750339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411617509.0A Pending CN119132848A (en) | 2024-11-13 | 2024-11-13 | A micro switch with adjustable force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119132848A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0344800A2 (en) * | 1988-06-03 | 1989-12-06 | OMRON Corporation | Microswitch |
| CN2143813Y (en) * | 1992-12-19 | 1993-10-13 | 陈文宗 | Micro-operation switch |
| CN201060767Y (en) * | 2007-05-24 | 2008-05-14 | 温州宇球开关有限公司 | Microswitch |
| CN206961744U (en) * | 2017-06-21 | 2018-02-02 | 东南电子股份有限公司 | Adjustable gas control microswitch |
| CN208208622U (en) * | 2018-03-29 | 2018-12-07 | 福建省三星电气股份有限公司 | Adjustable microswitch |
| CN113990711A (en) * | 2021-11-01 | 2022-01-28 | 贵州天义电器有限责任公司 | Device for fine-tuning standby stroke of auxiliary contact of contactor |
| CN217544474U (en) * | 2022-02-25 | 2022-10-04 | 绍兴旭恒电器有限公司 | Power connection end adjustable temperature controller switch |
| CN217684792U (en) * | 2022-05-23 | 2022-10-28 | 江门市企一照明有限公司 | Mounting structure of ceiling lamp fixing ring and adjustable bracket |
| CN221805358U (en) * | 2024-01-25 | 2024-10-01 | 深圳市亚特联科技有限公司 | A micro switch with adjustable pressing force |
-
2024
- 2024-11-13 CN CN202411617509.0A patent/CN119132848A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0344800A2 (en) * | 1988-06-03 | 1989-12-06 | OMRON Corporation | Microswitch |
| CN2143813Y (en) * | 1992-12-19 | 1993-10-13 | 陈文宗 | Micro-operation switch |
| CN201060767Y (en) * | 2007-05-24 | 2008-05-14 | 温州宇球开关有限公司 | Microswitch |
| CN206961744U (en) * | 2017-06-21 | 2018-02-02 | 东南电子股份有限公司 | Adjustable gas control microswitch |
| CN208208622U (en) * | 2018-03-29 | 2018-12-07 | 福建省三星电气股份有限公司 | Adjustable microswitch |
| CN113990711A (en) * | 2021-11-01 | 2022-01-28 | 贵州天义电器有限责任公司 | Device for fine-tuning standby stroke of auxiliary contact of contactor |
| CN217544474U (en) * | 2022-02-25 | 2022-10-04 | 绍兴旭恒电器有限公司 | Power connection end adjustable temperature controller switch |
| CN217684792U (en) * | 2022-05-23 | 2022-10-28 | 江门市企一照明有限公司 | Mounting structure of ceiling lamp fixing ring and adjustable bracket |
| CN221805358U (en) * | 2024-01-25 | 2024-10-01 | 深圳市亚特联科技有限公司 | A micro switch with adjustable pressing force |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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