CN110571072A - Small travel switch with locking function - Google Patents
Small travel switch with locking function Download PDFInfo
- Publication number
- CN110571072A CN110571072A CN201910784731.2A CN201910784731A CN110571072A CN 110571072 A CN110571072 A CN 110571072A CN 201910784731 A CN201910784731 A CN 201910784731A CN 110571072 A CN110571072 A CN 110571072A
- Authority
- CN
- China
- Prior art keywords
- hole
- travel switch
- rivet
- section
- base
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/02—Dropping, ejecting, or releasing articles
- B64D1/04—Dropping, ejecting, or releasing articles the articles being explosive, e.g. bombs
- B64D1/06—Bomb releasing; Bombs doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D7/00—Arrangements of military equipment, e.g. armaments, armament accessories, or military shielding, in aircraft; Adaptations of armament mountings for aircraft
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
Abstract
the utility model provides a small-size travel switch that possesses locking function, including actuating the pole, the uide bushing, the insulating seat, a spring, a housing, a pedestal, the rivet, the splicing, the stationary reed, the movable contact, the safety pin, be connected outside splicing and inside reed through setting up the rivet in the base inner chamber, and use and actuate the pole, the movable contact, the insulating seat forms and actuates the mode that a combination pushes down the reed and carry out the splicing and communicate, what beat the door has realized travel switch control under the small-size, its compact structure, it is simple, the reliability is high, easily installation, can realize the requirement that the diameter is little length short during preparation installation, can satisfy the small and exquisite practical requirement of part on the unmanned aerial vehicle, deviate from through the safety pin, give bullet machine separation signal, also can be applied to multiple occasion that needs to use travel switch.
Description
Technical Field
The invention belongs to the field of electronic devices, and particularly relates to a small travel switch with a locking function.
Background
Certain model unmanned aerial vehicle hangs bullet and requires the switch appearance to be cylindrical, and small, gravity is light, be convenient for installation and reliable operation, has the locking retention function concurrently. The travel switch with the existing structure cannot simultaneously have the functions, so that a small travel switch with a locking function is required, and the small travel switch is small in size and reliable in work.
Disclosure of Invention
In order to solve the technical problem, the invention provides a small travel switch with a locking function.
The invention is realized by the following technical scheme.
The invention provides a small-sized travel switch with a locking function, which comprises an actuating rod, a guide sleeve, an insulating seat, a spring, a shell, a base, a rivet, a connecting piece, a static spring piece, a movable contact, a glue pouring groove and a safety pin,
The actuating rod is provided with three sections of cylindrical parts with different diameters, the first section is provided with external threads, the middle section is a positioning step, and the surface of the third section is provided with a guide groove along the axial direction and a through hole along the radial direction;
The guide sleeve is a cylinder with two sections of different diameters, the thicker section is a positioning step, a guide hole and a strip-shaped guide boss are axially formed in the guide sleeve, and a through hole is radially formed in the guide sleeve;
the insulating seat is a cylinder, a threaded hole is formed in the center of the insulating seat along the radial direction, and an exhaust hole is formed in the center of the cylinder;
the shell is a hollow cylinder, a two-stage positioning table is arranged in the cylinder, and an installation flange is arranged outside the cylinder; the first step of the shell is used for positioning and installing the contact system, and the second step is used for positioning and installing the guide sleeve;
One side of the base is provided with a rivet hole, and the other side of the base is provided with a step hole with a small outer part and a large inner part;
The two connecting pieces are provided, one end of each connecting piece is connected with a connecting wire outside the switch, the other end of each connecting piece is fixed on the outer bottom surface of the base through a rivet, and the rivet penetrates through the bottom surface of the base and enters the inside of the base; the static reed is a Z-shaped reed, is riveted on the inner bottom surface of the base and is in contact with one rivet, the top of the static reed is tilted in the inner cavity of the base, and can be in contact with the other rivet after being pressed down to conduct the two connecting pieces;
The movable contact is a cylinder, one end of the movable contact is provided with a thread, and the other end of the movable contact is a polished rod;
The actuating rod, the movable contact and the insulating seat are connected to form an actuating part combination, the movable contact is screwed into the inner cavity of the insulating seat through threads to be connected into a whole, the actuating part combination is positioned and installed on the left side of the positioning step surface of the actuating rod, the spring is compressed, and the boss of the guide sleeve is matched and installed with the guide groove of the actuating rod, so that the rotation stopping and the guiding of the actuating rod relative to the shell are realized;
The through hole is formed in the guide sleeve along the direction which is vertical to the side face of the boss along the radial direction, the through hole is formed in the actuating rod along the direction which is vertical to the side face of the guide groove along the radial direction, the maximum stroke of the switch is reached when the actuating rod is pressed to be flush with the end face of the guide sleeve, the through hole of the actuating rod is overlapped with the through hole of the guide sleeve, and the actuating rod can be locked by inserting the safety pin at the moment.
Further, the rivet is a common solid cylindrical rivet.
further, the spring is a compression spring.
Furthermore, the safety pin is two sections of cylinders with different outer diameters, the first section of cylinder is a thin polished rod, the second section of cylinder is a thick polished rod, and a through hole is formed in the end part of the second section of cylinder in the radial direction and used for installing a pull ring. .
Furthermore, the actuating rod, the movable contact and the insulating base are connected through threads to form an actuating part combination, a glue filling groove is further formed in the side wall of the inner cavity of the insulating base 3, glue is filled into the glue filling groove 11 during installation, and the glue is bonded after the installation, so that butt joint looseness between metal and non-metal is prevented.
furthermore, the splicing sheet is an L-shaped metal sheet formed by bending a strip-shaped metal sheet by 90 degrees, a rivet hole is formed in the L-shaped bottom of the splicing sheet, and a wiring hole is formed in the L-shaped vertical surface of the splicing sheet.
Furthermore, a cylindrical boss is additionally arranged at the central part of the base and used for preventing the static spring leaf from being compressed excessively to generate permanent deformation when the actuating part moves.
furthermore, 2-3 convex parts are arranged on the upper part of the static reed.
Furthermore, the movable contact is three sections of cylinders with different diameters, the first section is a polished rod, the second section is a positioning step, the third section is provided with threads, the first section can be in contact with the static reed to be pressed down, and the third section is screwed into the insulating seat through the threads.
Furthermore, the positioning step of the guide sleeve is relatively fixed with the positioning step of the shell.
the invention has the beneficial effects that: according to the invention, the rivet is arranged in the inner cavity of the base to connect the external connecting piece with the internal reed, and the actuating rod, the movable contact and the insulating seat are used to form a mode that the actuating part is combined with the pressing reed to connect the connecting piece, so that the stroke switch control under small size is realized by knocking the door.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the static reed structure of the present invention;
FIG. 3 is a schematic view of the construction of the safety pin of the present invention;
In the figure: 1-actuating rod, 2-guide sleeve, 3-insulating seat, 4-spring, 5-shell, 6-base, 7-rivet, 8-contact piece, 9-static reed, 10-moving contact, 11-glue-pouring groove and 12-safety pin.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, a small-sized travel switch with a locking function comprises an actuating rod 1, a guide sleeve 2, an insulating base 3, a spring 4, a housing 5, a base 6, a rivet 7, a contact piece 8, a static reed 9, a movable contact 10, a glue pouring groove 11 and a safety pin 12, wherein the actuating rod 1 is provided with three sections of cylindrical parts with different diameters, a first section is provided with external threads, a middle section is a positioning step, the surface of a third section is provided with a guide groove along the axial direction, and a through hole is formed along the radial direction; the guide sleeve 2 is a two-section cylinder with different diameters, the thicker section is a positioning step, a guide hole and a strip-shaped guide boss are axially formed in the guide sleeve 2, and a through hole is radially formed in the guide sleeve; the insulating seat 3 is a cylinder, the center of the insulating seat is provided with a threaded hole along the radial direction, and the center of the cylinder is provided with an exhaust hole; the shell 5 is a hollow cylinder, a two-stage positioning table is arranged in the cylinder, and an installation flange is arranged outside the cylinder; the first step of the shell 5 is used for positioning and installing the contact system, and the second step is used for positioning and installing the guide sleeve 2; one side of the base 6 is provided with a rivet hole, and the other side is provided with a step hole with a small outer part and a large inner part; the number of the connecting pieces 8 is two, one end of each connecting piece is connected with a connecting wire outside the switch, the other end of each connecting piece is fixed on the outer bottom surface of the base 6 through a rivet 7, and the rivets 7 penetrate through the bottom surface of the base 6 to enter the base 6.
As shown in fig. 2, the fixed spring 9 is a Z-shaped spring, and the upper part of the fixed spring 9 is provided with 2-3 protrusions, so that the contact with the movable contact 10 can be better realized; the bottom of the static reed 9 is riveted on the inner bottom surface of the base 6 and is contacted with one rivet 7, the top of the static reed is tilted in the inner cavity of the base 6, and the static reed can be contacted with the other rivet 7 after being pressed down to conduct the two connecting pieces 8; the movable contact 10 is a cylinder, one end of the movable contact is provided with a thread, and the other end of the movable contact is a polished rod; the actuating rod 1, the movable contact 10 and the insulating base 3 are connected to form an actuating part combination, the movable contact 10 is screwed into the inner cavity of the insulating base 3 through threads to be connected into a whole, the actuating part combination is positioned and installed on the left side of the positioning step surface of the actuating rod 1, the spring 4 is compressed, and the boss of the guide sleeve 2 is matched and installed with the guide groove of the actuating rod 1, so that the rotation stopping and the guiding of the actuating rod 1 relative to the shell 5 are realized; the guide sleeve 2 is provided with a through hole along the direction vertical to the side surface of the boss, the actuation rod 1 is provided with a through hole along the direction vertical to the side surface of the guide groove, when the actuation rod 1 is pressed to be flush with the end surface of the guide sleeve 2, the maximum stroke of the switch is reached, the through hole of the actuation rod 1 is superposed with the through hole of the guide sleeve 2, and the actuation rod 1 can be locked by inserting the safety pin 12.
the rivet 7 is a common solid cylindrical rivet.
the spring 4 is a compression spring.
As shown in fig. 3, the safety pin 12 is a two-section cylinder with different outer diameters, the first section of cylinder is a thin polish rod, and the second section of cylinder is a thick polish rod, and the end part of the cylinder is provided with a through hole along the radial direction for installing a pull ring. .
The actuating rod 1, the movable contact 10 and the insulating base 3 are connected through threads to form an actuating part combination, a glue filling groove 11 is further formed in the side wall of the inner cavity of the insulating base 3, glue is filled into the glue filling groove 11 during installation, and the glue is bonded after the installation, so that butt joint looseness between metal and non-metal is prevented.
the splicing sheet 8 is an L-shaped metal sheet formed by bending a strip-shaped metal sheet by 90 degrees, a rivet hole is formed in the L-shaped bottom of the splicing sheet, and a wiring hole is formed in the L-shaped vertical surface of the splicing sheet 8.
the central part of the base 6 is additionally provided with a cylindrical boss for preventing the static reed 9 from being compressed excessively to generate permanent deformation when the actuating part 1 moves.
the moving contact 10 is three sections of cylinders with different diameters, the first section is a polished rod, the second section is a positioning step, the third section is provided with threads, the first section can be contacted with the static reed 9 to be pressed down, and the third section is screwed into the insulating base 3 through the threads.
the positioning step of the guide sleeve 2 is relatively fixed with the positioning step of the shell 5.
The invention is used for the airplane-bullet separation of the unmanned aerial vehicle, and provides an airplane-bullet separation signal after the unmanned aerial vehicle is launched by hanging a bullet. The two contact pieces 8 of the switch are in a disconnected state in an initial state, when an external force acts, the actuating rod 1 is stressed to compress the spring 4 to move towards the inside of the shell 5, the movable contact 10 fixed on the actuating piece 1 gradually approaches the static spring piece 9, when the actuating rod 1 is compressed to a full stroke, the movable contact 10 is reliably contacted with the static spring piece 9, at the moment, the two contact pieces 8 of the switch are reliably connected, the safety pin 12 is inserted to lock the actuating rod 1, otherwise, the safety pin 12 is taken out when the switch is separated, the actuating rod 1 is reset under the action of the spring 4 after the external force disappears, the switch is recovered to the initial state, the two contact pieces 8 are disconnected, and the separation of the switch is.
The invention has small diameter, short length, specific size of phi 6 multiplied by 20mm, compact and simple structure, high reliability and easy installation.
Claims (10)
1. the utility model provides a small-size travel switch that possesses locking function which characterized in that: comprises an actuating rod, a guide sleeve, an insulating seat, a spring, a shell, a base, a rivet, a contact piece, a static spring piece, a movable contact, a glue pouring groove and a safety pin,
The actuating rod is provided with three sections of cylindrical parts with different diameters, the first section is provided with external threads, the middle section is a positioning step, and the surface of the third section is provided with a guide groove along the axial direction and a through hole along the radial direction;
The guide sleeve is a cylinder with two sections of different diameters, the thicker section is a positioning step, a guide hole and a strip-shaped guide boss are axially formed in the guide sleeve, and a through hole is radially formed in the guide sleeve;
The insulating seat is a cylinder, a threaded hole is formed in the center of the insulating seat along the radial direction, and an exhaust hole is formed in the center of the cylinder;
The shell is a hollow cylinder, a two-stage positioning table is arranged in the cylinder, and an installation flange is arranged outside the cylinder; the first step of the shell is used for positioning and installing the contact system, and the second step is used for positioning and installing the guide sleeve;
one side of the base is provided with a rivet hole, and the other side of the base is provided with a step hole with a small outer part and a large inner part;
The two connecting pieces are provided, one end of each connecting piece is connected with a connecting wire outside the switch, the other end of each connecting piece is fixed on the outer bottom surface of the base through a rivet, and the rivet penetrates through the bottom surface of the base and enters the inside of the base; the static reed is a Z-shaped reed, is riveted on the inner bottom surface of the base and is in contact with one rivet, the top of the static reed is tilted in the inner cavity of the base, and can be in contact with the other rivet after being pressed down to conduct the two connecting pieces;
The movable contact is a cylinder, one end of the movable contact is provided with a thread, and the other end of the movable contact is a polished rod;
The actuating rod, the movable contact and the insulating seat are connected to form an actuating part combination, the movable contact is screwed into the inner cavity of the insulating seat through threads to be connected into a whole, the actuating part combination is positioned and installed on the left side of the positioning step surface of the actuating rod, the spring is compressed, and the boss of the guide sleeve is matched and installed with the guide groove of the actuating rod, so that the rotation stopping and the guiding of the actuating rod relative to the shell are realized;
The through hole is formed in the guide sleeve along the direction which is vertical to the side face of the boss along the radial direction, the through hole is formed in the actuating rod along the direction which is vertical to the side face of the guide groove along the radial direction, the maximum stroke of the switch is reached when the actuating rod is pressed to be flush with the end face of the guide sleeve, the through hole of the actuating rod is overlapped with the through hole of the guide sleeve, and the actuating rod can be locked by inserting the safety pin at the moment.
2. The miniature locking travel switch of claim 1, wherein: the rivet is a common solid cylindrical rivet.
3. the miniature locking travel switch of claim 1, wherein: the spring is a pressure spring.
4. the miniature locking travel switch of claim 1, wherein: the safety pin is two sections of cylinders with different outer diameters, the first section of cylinder is a thin polished rod, the second section of cylinder is a thick polished rod, and a through hole is formed in the end portion of the thick polished rod in the radial direction and used for installing a pull ring. .
5. The miniature locking travel switch of claim 1, wherein: the actuating rod, the movable contact and the insulating base are connected in a threaded mode to form an actuating part combination, a glue filling groove is further formed in the side wall of the inner cavity of the insulating base 3, glue is filled into the glue filling groove 11 during installation, and after the glue is installed, the metal and the nonmetal are prevented from being in butt joint looseness.
6. The miniature locking travel switch of claim 1, wherein: the splicing is an L-shaped metal sheet formed by bending a strip-shaped metal sheet by 90 degrees, a rivet hole is formed in the L-shaped bottom of the splicing, and a wiring hole is formed in the L-shaped vertical surface of the splicing.
7. the miniature locking travel switch of claim 1, wherein: the central part of the base is additionally provided with a cylindrical boss for preventing the static reed from being compressed excessively to generate permanent deformation when the actuating part moves.
8. The miniature locking travel switch of claim 1, wherein: and 2-3 convex parts are arranged at the upper part of the static reed.
9. The miniature locking travel switch of claim 1, wherein: the movable contact is three sections of cylinders with different diameters, the first section is a polished rod, the second section is a positioning step, the third section is provided with threads, the first section can be contacted with the static reed to be pressed down, and the third section is screwed into the insulating seat through the threads.
10. The miniature locking travel switch of claim 1, wherein: and the positioning step of the guide sleeve is relatively fixed with the positioning step of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784731.2A CN110571072B (en) | 2019-08-23 | 2019-08-23 | Small travel switch with locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784731.2A CN110571072B (en) | 2019-08-23 | 2019-08-23 | Small travel switch with locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110571072A true CN110571072A (en) | 2019-12-13 |
| CN110571072B CN110571072B (en) | 2021-08-17 |
Family
ID=68775923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910784731.2A Active CN110571072B (en) | 2019-08-23 | 2019-08-23 | Small travel switch with locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110571072B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747632A (en) * | 2020-12-30 | 2021-05-04 | 武汉高德红外股份有限公司 | Transmitter electromechanical fuse with state feedback |
| CN114141552A (en) * | 2021-10-26 | 2022-03-04 | 武汉高德红外股份有限公司 | Low-cost microminiature light repeated mechanical latching switch |
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| US5583327A (en) * | 1994-02-15 | 1996-12-10 | Indak Manufacturing Corp. | Electrical and vacuum switching control apparatus for automotive air control system |
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| CN101419874A (en) * | 2007-10-27 | 2009-04-29 | 贵州航天电器股份有限公司 | Sealed travel switch |
| CN102629528A (en) * | 2012-04-14 | 2012-08-08 | 桂林航天电子有限公司 | Clapping contact travel switch |
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| CN204167160U (en) * | 2014-11-03 | 2015-02-18 | 陶亮 | A kind of emergency stop button switch |
| CN204270921U (en) * | 2015-01-09 | 2015-04-15 | 南通昌荣机电有限公司 | A kind of travel switch |
| CN206271637U (en) * | 2016-11-01 | 2017-06-20 | 江苏常胜电器股份有限公司 | A kind of sensitive control protector of temperature |
| CN109192588A (en) * | 2018-09-20 | 2019-01-11 | 贵州航天电器股份有限公司 | Travel switch with multiple signals |
| CN109950080A (en) * | 2019-04-01 | 2019-06-28 | 西北工业大学 | A kind of location switch for aviation class mechanical lock |
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2019
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5942733A (en) * | 1982-03-25 | 1984-03-09 | フ−ベルト・ロ−レンツ・ナイマ− | Star-delta switch |
| US5583327A (en) * | 1994-02-15 | 1996-12-10 | Indak Manufacturing Corp. | Electrical and vacuum switching control apparatus for automotive air control system |
| CN2302591Y (en) * | 1997-03-05 | 1998-12-30 | 陈晓余 | Speed-controlling switch |
| CN101419874A (en) * | 2007-10-27 | 2009-04-29 | 贵州航天电器股份有限公司 | Sealed travel switch |
| CN102629528A (en) * | 2012-04-14 | 2012-08-08 | 桂林航天电子有限公司 | Clapping contact travel switch |
| CN204155843U (en) * | 2013-11-20 | 2015-02-11 | 威海双丰韩柏温度智能控制有限公司 | A kind of temperature controller for automobile cushion |
| CN204167160U (en) * | 2014-11-03 | 2015-02-18 | 陶亮 | A kind of emergency stop button switch |
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| CN109950080A (en) * | 2019-04-01 | 2019-06-28 | 西北工业大学 | A kind of location switch for aviation class mechanical lock |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747632A (en) * | 2020-12-30 | 2021-05-04 | 武汉高德红外股份有限公司 | Transmitter electromechanical fuse with state feedback |
| CN114141552A (en) * | 2021-10-26 | 2022-03-04 | 武汉高德红外股份有限公司 | Low-cost microminiature light repeated mechanical latching switch |
| CN114141552B (en) * | 2021-10-26 | 2024-03-19 | 武汉高德红外股份有限公司 | Miniature light repeated mechanical locking switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110571072B (en) | 2021-08-17 |
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