CN109003845A - A kind of small-sized travel switch - Google Patents
A kind of small-sized travel switch Download PDFInfo
- Publication number
- CN109003845A CN109003845A CN201810192211.8A CN201810192211A CN109003845A CN 109003845 A CN109003845 A CN 109003845A CN 201810192211 A CN201810192211 A CN 201810192211A CN 109003845 A CN109003845 A CN 109003845A
- Authority
- CN
- China
- Prior art keywords
- contact chip
- capping
- shell
- felt pad
- hole
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 8
- 230000011218 segmentation Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of small-sized travel switches, including shell (1), upper capping (2), mandril (3), upper felt pad (4), lower felt pad (5), contact chip A (6), skate (7), guide rod (8), contact chip B (9), contact chip C (10), spring (11), lower capping (12).The trip switch geometry is small and exquisite, and structure is simple, firm, high reliablity.It is installed using flange, single-pole double throw, there are two group welding contacts.
Description
Technical field
The present invention relates to a kind of travel switch, especially a kind of small-sized travel switch.
Background technique
In space industry, separable mechanism is widely present, such as rocket grade and grade, satellite and carrier rocket mechanism, satellite
With airship, solar wing and spacecraft, deployable antenna and spacecraft etc..Currently used separation detecting device has row
Cheng Kaiguan and microswitch, the common trait of these switching devices are small in size, high reliablity, working principle and civilian similar dress
It sets and is not different.The size of small-sized travel switch is generally in 30mm or so.
Summary of the invention
The purpose of the present invention is to provide a kind of small-sized travel switches, further decrease the size of travel switch.
The technical solution of the invention is as follows: a kind of small-sized travel switch, it is characterised in that shell, upper capping, mandril, on
Felt pad, lower felt pad, contact chip A, skate, guide rod, contact chip B, contact chip C, spring, lower capping；
The shell is open cuboid cavity part, has 1 round tube hole at the top of cavity, and front is provided with 2 rectangular through holes, under
The complete aperture in face, the left and right sides are equipped with mounting flange；
The upper capping is provided with the blocky cuboid of strip-shaped hole for centre；
The mandril is segmentation cylindrical body, and lower end surface is equipped with threaded hole；
The upper felt pad is that " recessed " shape blocks, centre are equipped with circular hole；
The lower felt pad is a circular gasket, is equipped with level-one step, and centre is equipped with circular hole,；
The contact chip A, contact chip B, contact chip C after strip sheet metal bending by formingShape bending metal
Piece,Upper end shank be equipped with round tube hole, wherein the bottom end side of contact chip A be equipped with guide lug；
The skate is " ∩ " shape bending sheet metal, and centre is equipped with circular hole；
The guide rod is segmentation cylindrical body, and there is step in centre, and there is screw thread in upper end；
The spring is pressure spring；
The lower capping is to be provided with the blocky cuboid of strip-shaped hole, and upper end is equipped with cylindrical shaft perpendicular to end face, axis it is upper
End center is equipped with circular hole, and lower end is equipped with lesser ventilation circular hole.
Contact chip A, contact chip B aperture end are fixed in the strip-shaped hole of capping, and 2 pieces above cover the length being fixed on shell
In square hole, mandril is inserted into the circular hole of upper shell, and upper felt pad, skate, lower felt pad press the sequence set of upper, middle and lower
It is screwed in the threaded hole of mandril in the thread segment of the upper semisection of guide rod, guide rod, the upper surface of the lower end surface of mandril and upper felt pad
It compresses, the lower end surface of the upper surface of guide rod step and lower felt pad compresses, and spring pocket on the axis of lower capping, insert by the lower end of guide rod
In the sliding eye for entering lower capping, the cuboid upper end face contact of the lower end of spring and lower capping, the upper end of spring and lower felt pad
Lower end face contact, lower capping blocky cuboid insertion shell lower end aperture.
The present invention has the advantages that
1. small-sized travel switch of the invention, size is less than other small-sized travel switches, and size is in 20mm or so.
2. small-sized travel switch of the invention, compared to small-sized travel switch in the market, structure is simple, high reliablity.
Detailed description of the invention
A kind of small-sized travel switch extended state outside drawing of Fig. 1；
A kind of small-sized travel switch extended state perspective view of Fig. 2；
A kind of small-sized travel switch extended state cross-sectional view of Fig. 3；
A kind of small-sized travel switch compressive state cross-sectional view of Fig. 4.
Specific embodiment
As shown in Fig. 1,2,3 and 4, a kind of small-sized travel switch, it is characterised in that shell 1, it is upper capping 2, mandril 3, it is upper absolutely
Edge pad 4, lower felt pad 5, contact chip A6, skate 7, guide rod 8, contact chip B9, contact chip C10, spring 11, lower capping
12；
The shell 1 is open cuboid cavity part, has 1 round tube hole 1-1 at the top of cavity, it is logical that front is provided with 2 rectangles
Hole 1-2,1-3, below complete aperture, the left and right sides be equipped with mounting flange；
The upper capping 2 is provided with the blocky cuboid of strip-shaped hole 2-1,2-2 for centre；
The mandril 3 is segmentation cylindrical body, and lower end surface is equipped with threaded hole 3-1；
The upper felt pad 4 is that " recessed " shape blocks, centre are equipped with circular hole；
The lower felt pad 5 is a circular gasket, is equipped with level-one step, and centre is equipped with circular hole；
The contact chip A6, contact chip B9, contact chip C10 after strip sheet metal bending by formingShape bending
Sheet metal,Upper end shank be equipped with round tube hole, wherein the bottom end side of contact chip A9 be equipped with guide lug 9-1；
The skate 7 is " ∩ " shape bending sheet metal, and centre is equipped with circular hole；
The guide rod 8 is segmentation cylindrical body, and there is step in centre, and there is screw thread in upper end；
The spring 11 is pressure spring；
The lower capping 12 is the blocky cuboid for being provided with strip-shaped hole 12-1,12-2, and upper end is equipped with cylinder perpendicular to end face
Shape axis, the upper end center of axis are equipped with circular hole, and lower end is equipped with lesser ventilation circular hole.
Contact chip A6, contact chip B9 aperture end are fixed in strip-shaped hole 2-1,2-2 of capping 2, and 2 pieces of upper cappings 2 are fixed
In oblong aperture 1-2,1-3 on shell 1, mandril 3 is inserted into the circular hole 1-1 of 1 upper end of shell, upper felt pad 4, skate
7, lower felt pad 5 covers the upper semisection in guide rod 8 by the sequence of upper, middle and lower, and the thread segment of guide rod 8 screws in the threaded hole of mandril 3,
The lower end surface of mandril 3 and the upper surface of upper felt pad 4 compress, the lower end face pressure of the upper surface of 8 step of guide rod and lower felt pad 5
Tightly, 11 sets of spring is on the axis of lower capping 12, in the sliding eye of the lower capping 12 of lower end insertion of guide rod 8, the lower end of spring 11 with
The cuboid upper end face contact of lower capping 12, the lower end face contact of the upper end of spring 11 and lower felt pad 5, the bulk of lower capping 12
The aperture of cuboid insertion 1 lower end of shell.
The course of work:
Travel switch is fixed by the flange of 1 two sides of shell.
As shown in figure 3, spring 11 is in mild compression state, skate 7 while and contact chip under free state
A6, contact chip B9 contact, contact chip A6 are connected with contact chip B9, and contact chip B9 and contact chip C10 are disconnected.
As shown in figure 4, the compression of mandril 3 is pushed to when contacting with shell 1, due to mandril 3, upper felt pad 4, lower felt pad 5,
Skate 7 and guide rod 8 are via being screwed, upper felt pad 4, lower felt pad 5, skate 7 and guide rod 8 and mandril
3 keep moving synchronously, and spring 11 is become maximum compressive state by the promotion of lower felt pad, skate 7 simultaneously with contact chip B9,
Contact chip C10 contact, contact chip B9 are connected with contact chip C10, and contact chip A6 and contact chip B9 are disconnected.
When the load on mandril 3 is removed, travel switch is reset to free state.
Claims (5)
1. a kind of small-sized travel switch, it is characterised in that shell (1), upper capping (2), mandril (3), upper felt pad (4), lower insulation
Pad (5), contact chip A (6), skate (7), guide rod (8), contact chip B (9), contact chip C (10), spring (11), lower capping
(12)；
The shell (1) is open cuboid cavity part, is had 1 round tube hole (1-1) at the top of cavity, it is logical that front is provided with 2 rectangles
Hole (1-2), (1-3), below complete aperture, the left and right sides be equipped with mounting flange；
The upper capping (2) is the blocky cuboid that centre is provided with strip-shaped hole (2-1), (2-2)；
The mandril (3) is segmentation cylindrical body, and lower end surface is equipped with threaded hole (3-1)；
The upper felt pad (4) is that " recessed " shape blocks, centre are equipped with circular hole；
The lower felt pad (5) is a circular gasket, is equipped with level-one step, and centre is equipped with circular hole；
The contact chip A (6), contact chip B (9), contact chip C (10) after strip sheet metal bending by formingShape folding
Curved sheet metal,Upper end shank be equipped with round tube hole, wherein the bottom end side of contact chip A (9) be equipped with guide lug (9-1)；
The skate (7) is " ∩ " shape bending sheet metal, and centre is equipped with circular hole；
The guide rod (8) is segmentation cylindrical body, and there is step in centre, and there is screw thread in upper end；
The spring (11) is pressure spring；
The lower capping (12) is the blocky cuboid for being provided with strip-shaped hole (12-1), (12-2), and upper end is equipped with circle perpendicular to end face
Columnar shaft, the upper end center of axis are equipped with circular hole, and lower end is equipped with lesser ventilation circular hole.
Contact chip A (6), contact chip B (9) aperture end are fixed on the strip-shaped hole (2-1) of capping (2), in (2-2), 2 pieces of upper cappings
(2) it is fixed on the oblong aperture (1-2) on shell (1), in (1-3), mandril (3) is inserted into the circular hole (1-1) of shell (1) upper end,
Upper felt pad (4), skate (7), lower felt pad (5) cover the upper semisection in guide rod (8), guide rod by the sequence of upper, middle and lower
(8) thread segment screws in the threaded hole of mandril (3), and the lower end surface of mandril (3) and the upper surface of upper felt pad (4) compress, and leads
The upper surface of bar (8) step and the lower end surface of lower felt pad (5) compress, and spring (11) covers on the axis of lower capping (12), guide rod
(8) in the sliding eye of the lower capping (12) of lower end insertion, the lower end of spring (11) and the cuboid upper surface of lower capping (12) are connect
The blocky cuboid of touching, the lower end face contact of the upper end of spring (11) and lower felt pad (5), lower capping (12) is embedded in shell (1)
The aperture of lower end.
2. a kind of small-sized travel switch according to claim 1, it is characterised in that the layout of upper capping (2) shell just
Face avoids the wiring hole of contact chip and the interference of shell (1) flange mounting screw.
3. a kind of small-sized travel switch according to claim 1, it is characterised in that contact chip A (6) bottom end side is equipped with and leads
To lug (9-1).
4. a kind of small-sized travel switch according to claim 1, it is characterised in that lower capping (12) is equipped with hollow shaft, has both
The effect of guide rod (8) guiding, support pressure spring (11) and fixed contact piece C (10).
5. a kind of small-sized travel switch according to claim 1, the flange layout without being limited thereto of shell (1), flange can
It is set to any position of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810192211.8A CN109003845B (en) | 2018-03-09 | 2018-03-09 | Small travel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810192211.8A CN109003845B (en) | 2018-03-09 | 2018-03-09 | Small travel switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109003845A true CN109003845A (en) | 2018-12-14 |
| CN109003845B CN109003845B (en) | 2024-04-19 |
Family
ID=64573192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810192211.8A Active CN109003845B (en) | 2018-03-09 | 2018-03-09 | Small travel switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109003845B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741982A (en) * | 2018-12-21 | 2019-05-10 | 温州医科大学 | Travel switch pre-installs center |
| CN112274242A (en) * | 2020-10-22 | 2021-01-29 | 四川大学华西第四医院 | Radio frequency electric wave sword convenient to power regulation |
| CN113299497A (en) * | 2021-06-23 | 2021-08-24 | 天津盈科卓控科技有限公司 | Cylindrical travel switch |
| CN114256009A (en) * | 2021-11-09 | 2022-03-29 | 中国长江电力股份有限公司 | Travel switch for hydraulic turbine unit air brake braking detection and detection method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1220564A (en) * | 1968-08-16 | 1971-01-27 | Cutler Hammer Inc | Ultra-miniature slide contact pushbutton switch |
| JPS63158719A (en) * | 1986-12-22 | 1988-07-01 | 株式会社ナブコ | Stroke switch |
| US6512191B1 (en) * | 2000-04-13 | 2003-01-28 | Matsushita Electric Industrial Co., Ltd. | Push-switch and method for manufacturing the same |
| CN102629528A (en) * | 2012-04-14 | 2012-08-08 | 桂林航天电子有限公司 | Clapping contact travel switch |
| CN203055706U (en) * | 2012-12-13 | 2013-07-10 | 陈杰 | Stroke switch |
| CN205487786U (en) * | 2016-02-05 | 2016-08-17 | 永鸥电气有限公司 | Travel switch |
| CN207925331U (en) * | 2018-03-09 | 2018-09-28 | 北京微分航宇科技有限公司 | A kind of small-sized travel switch |
-
2018
- 2018-03-09 CN CN201810192211.8A patent/CN109003845B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1220564A (en) * | 1968-08-16 | 1971-01-27 | Cutler Hammer Inc | Ultra-miniature slide contact pushbutton switch |
| JPS63158719A (en) * | 1986-12-22 | 1988-07-01 | 株式会社ナブコ | Stroke switch |
| US6512191B1 (en) * | 2000-04-13 | 2003-01-28 | Matsushita Electric Industrial Co., Ltd. | Push-switch and method for manufacturing the same |
| CN102629528A (en) * | 2012-04-14 | 2012-08-08 | 桂林航天电子有限公司 | Clapping contact travel switch |
| CN203055706U (en) * | 2012-12-13 | 2013-07-10 | 陈杰 | Stroke switch |
| CN205487786U (en) * | 2016-02-05 | 2016-08-17 | 永鸥电气有限公司 | Travel switch |
| CN207925331U (en) * | 2018-03-09 | 2018-09-28 | 北京微分航宇科技有限公司 | A kind of small-sized travel switch |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741982A (en) * | 2018-12-21 | 2019-05-10 | 温州医科大学 | Travel switch pre-installs center |
| CN112274242A (en) * | 2020-10-22 | 2021-01-29 | 四川大学华西第四医院 | Radio frequency electric wave sword convenient to power regulation |
| CN113299497A (en) * | 2021-06-23 | 2021-08-24 | 天津盈科卓控科技有限公司 | Cylindrical travel switch |
| CN113299497B (en) * | 2021-06-23 | 2022-07-05 | 天津盈科卓控科技有限公司 | Cylindrical travel switch |
| CN114256009A (en) * | 2021-11-09 | 2022-03-29 | 中国长江电力股份有限公司 | Travel switch for hydraulic turbine unit air brake braking detection and detection method |
| CN114256009B (en) * | 2021-11-09 | 2023-07-14 | 中国长江电力股份有限公司 | Travel switch for detecting wind brake of water turbine unit and detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109003845B (en) | 2024-04-19 |
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