CN110491698A - A kind of portable waterproof travel switch - Google Patents
A kind of portable waterproof travel switch Download PDFInfo
- Publication number
- CN110491698A CN110491698A CN201910957059.2A CN201910957059A CN110491698A CN 110491698 A CN110491698 A CN 110491698A CN 201910957059 A CN201910957059 A CN 201910957059A CN 110491698 A CN110491698 A CN 110491698A
- Authority
- CN
- China
- Prior art keywords
- shell
- screw thread
- leather sheath
- travel switch
- external screw
- 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
- 239000010985 leather Substances 0.000 claims abstract description 28
- 229920001971 elastomer Polymers 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000003292 glue Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 9
- 229910052709 silver Inorganic materials 0.000 description 9
- 239000004332 silver Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004078 waterproofing 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
-
- 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
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Elevator Control (AREA)
- Push-Button Switches (AREA)
Abstract
The present invention relates to technical field of electric device control, a kind of specifically portable waterproof travel switch, leather sheath is set between push rod cap and shell, the circular groove on leather sheath lower end thereof outer and shell circular hole periphery matches, it is opened up on the outer of leather sheath lower part fluted, make leather sheath bottom outer in barb-like, the shell body rear cover lower part is equipped with external screw thread, seal rubber is equipped in externally threaded cavity, sealing ring is set in externally threaded inner cavity, sealing ring top abuts against seal rubber, external screw thread is stretched out in the lower part of sealing ring, the connection of the internal screw thread of external screw thread bottom and threaded cap, threaded cap moves upwards band dynamic seal ring and moves upwards, squeeze seal rubber, deformation is generated when seal rubber is by external force, it is squeezed to centre, improvement in many structures has been carried out to existing travel of elevator (lift), so that the waterproof effect of travel of elevator (lift) is more preferable, increase While service life, the more safety problem as caused by leak can be avoided.
Description
Technical field
The present invention relates to technical field of electric device control, a kind of specifically portable waterproof travel switch.
Background technique
Travel switch is one kind of position switch, is a kind of common low current master control electrical apparatus.It is moved using manufacturing machine
The collision of component makes its contact action to realize connection or disjunction control circuit, reaches certain control purpose.It is usually this kind of to open
Close be used to limit mechanical movement position or stroke, be automatically stopped movable machinery by certain position or stroke, counter motion,
Variable motion or automatic back and forth movement etc..Travel switch is broadly divided into Direct Action Type, roller type, inching and combination by its structure
Formula, its principle of different infrastructure products and effect are different.
Existing Direct Action Type elevator travel switch structure is unreasonable, and working performance is poor, moves static contact and connects unreliable, shell
Body design is dangerous.Now disclose a patent of invention: the travel switch in relation to elevator applications, the patent No.: 2014107055503,
The patent includes action component, static component, transition components, closed component, it is characterised in that when action component pull rod by
External force is conducted to spring, and the movable contact silver nail on spring follows closely the stationary contact silver in contact post the shape for turning off or being closed
State switching, the patent can play the protective effect operated normally to components each in product upper unit and elevator, such as elevator
Remarkable action is more than predetermined stroke distance, switchs soon action power dump.
With the change of use environment, existing travel switch is not achieved and is wanted on the market due to unreasonable structural design
The IP68 waterproofing grade asked, above-mentioned patent equally exist this problem, the bad service life that can reduce switch of waterproof effect,
It is allowed to risk to greatly improve, it is therefore necessary to improve the prior art and innovate.
Summary of the invention
Bad it is an object of the invention to solve waterproof performance in the prior art, leading to switch, service life is not high asks
Topic provides the portable waterproof travel switch that one kind is easy to use, works well.
To achieve the goals above, a kind of portable waterproof travel switch, including shell are designed, described shell one end opens up
There is circular hole, circular hole is used for across push rod cap, and the periphery of circular hole outer surface is equipped with circular groove, and the shell other end is equipped with square hole, side
Hole periphery is equipped with the notch on groove, with shell body rear cover and is cooperatively connected, it is characterised in that further includes
Leather sheath, leather sheath are set between push rod cap and shell, the circular groove of leather sheath lower end thereof outer and shell circular hole periphery
It matches, opens up fluted on the outer of leather sheath lower part, make leather sheath bottom outer in barb-like,
The shell body rear cover lower part is equipped with external screw thread, is equipped with seal rubber in externally threaded cavity, sealing ring is set to external screw thread
Inner cavity in, sealing ring top abuts against seal rubber, and external screw thread is stretched out in the lower part of sealing ring, external screw thread bottom and threaded cap
Internal screw thread connection, threaded cap move upwards band dynamic seal ring and move upwards, squeeze seal rubber, generate when seal rubber is by external force
Deformation is squeezed to centre.
It is equipped with housing seal pad in the groove on shell square hole periphery, is equipped with rear cover in the notch in the shell body rear cover
Gasket, the housing seal pad and rear sealing cushion for cover section are rounded.
The push rod cap is equipped with buckle, is cooperatively connected with touching bar.
External screw thread on the internal screw thread and shell body rear cover of the threaded cap is trapezoidal thread.
Inner housing is additionally provided in the shell.
The present invention compared with the existing technology, the advantage is that: having carried out changing in many structures to existing travel of elevator (lift)
Into while increasing service life, can be avoided more as caused by leak so that the waterproof effect of travel of elevator (lift) is more preferable
Safety problem.
Detailed description of the invention
Fig. 1 is overall structure of the explosion figure of the present invention；
Fig. 2 is prior art leather sheath schematic diagram；
Fig. 3 is leather sheath schematic diagram of the present invention；
Fig. 4 is push rod cap buckle schematic diagram of the present invention；
Fig. 5 is inventive shell rear cover and rear sealing cushion for cover schematic diagram；
Fig. 6 is inventive shell rear cover and shell double-layer seal pad schematic diagram；
Fig. 7 is threaded cap of the present invention and shell body rear cover assembling schematic diagram；
In figure: 1. shell, 2. inner housing, 3. inner housing cover board, 4. shell body rear cover, 5. threaded cap, 6. contact holder 7.
13 seal rubber of sealing cushion for cover after touching 8. push rod cap of bar, 9. sealing ring, 10. leather sheath, 11. housing seal pad 12.
14. left 15. 17. contact spring of right 16. movable contact plate of fixed contact plate of fixed contact plate, 18. reset spring 19. is manually
20. spring pressure pad of reset spring, 21. sound contact, 22. shell body rear cover screw, 23. terminal screw.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings, and the structure and principle of this device are for the people of this profession
It is very clearly.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this
Invention.
Referring to Fig. 1: offering cavity among inner housing, contact holder is set in cavity, and contact holder front end is equipped with multiple
Position spring, reset spring are equipped with spring pressure pad, contact branch against the baffle of inner housing cavity front end between reset spring and baffle
Frame rear end is equipped with nose bar, nose bar insertion touching bar one end, and the touching bar other end connects push rod cap, and contact holder side is equipped with dynamic touching
Contact plate, movable contact plate are equipped with sound contact, and inner housing bottom is equipped with fixed contact plate, and fixed contact plate is equipped with sound contact, move
Sound contact silver nail in contact board is turned off to the sound contact silver nail on fixed contact plate or closed state switches, inner housing
It is set to interior of shell, shell one end opens up square hole, and square hole periphery is equipped with the notch on groove, with shell body rear cover and is cooperatively connected,
Shell body rear cover is connected through a screw thread with threaded cap, and the shell other end is equipped with circular hole, and the periphery of circular hole outer surface is equipped with circular groove,
The circular hole of leather sheath and shell is cooperatively connected, and push rod cap passes through leather sheath and circular hole and connect with touching bar.
Referring to figs. 2 and 3: existing leather sheath bottom is linear type, and leather sheath bottom outer is opened up groove, makes skin by the design
Cover bottom outer in barb-like, it is not convenient enough when linear leather sheath is installed, cause efficiency slow, while waterproof performance is bad,
Hook-shaped leather sheath is easy for installation, while barb increases frictional force between leather sheath and shell circular hole, and waterproof performance is more preferable, while skin
Set is made of elastic material, and through-hole is equipped in leather sheath, and leather sheath upper one end aperture is less than the aperture of push rod cap.
Referring to Fig. 7: plug screw waterproof on the market is all the rubber ring stepped up in plug screw indirectly, and is single direction, this
Invention threaded cap directly compresses seal rubber, direction be it is two-way, seal rubber can be squeezed by both ends when external force to centre, thus
It packs tightly cable to achieve the effect that seal waterproof, shell body rear cover bottom increases boss, and threaded cap draws the hole at string holes through designing
It is also the size setting in conjunction with national standard cable, cooperates sealing ring and seal rubber and shell body rear cover that can preferably squeeze when assembling
Seal rubber is allowed to and draws cable and be fully sealed, while the design of trapezoidal thread also increases the effect of screwing force and plays waterproof
Effect.
Shell body rear cover is an integral structure with external screw thread, and the height of seal rubber is less than external screw thread, with externally threaded inner cavity
Form step structure.
Referring to fig. 4: the present invention is modified the structure of touching bar and push rod cap, increases click on fashion, can be more preferable
Raising leather sheath waterproof performance.
Referring to figs. 5 and 6: concave groove is designed on shell body rear cover and shell, after being equipped in the concave groove of shell body rear cover
Sealing cushion for cover, being equipped with housing seal pad in the concave groove of shell can be utmostly using inside and outside two layers of sealed construction
Ground improves waterproof performance, at the same by the cross sectional shape of gasket by it is common it is flat be changed to circle, can increase inside and outside sealing effect
Fruit, so that waterproof performance is more preferable, while the round installation that can also make gasket is more convenient.
Referring to Fig. 1: travel switch of the present invention is played to components each in product upper unit and elevator normal operation
Protective effect, such as elevator remarkable action or be more than predetermined stroke distance, this switch soon action power dump, or according to design
It is required that driving other component that elevator is made to enter safe state, the push rod cap of action component is passed to by external force gives contact branch
Frame, the sound contact silver nail on the movable contact plate on contact holder is to the sound contact silver on left fixed contact plate and right fixed contact plate
The state switching for turning off or being closed is followed closely, actuating length is small, and positioning progress is high, and contact disconnection is reliable, realizes control elevator machine
Structure work.
Movable contact plate and stationary contact plate material select H62 copper, and stationary contact silver nail and movable contact silver follow closely material selection silver-bearing copper
Composite material, touching bar material select polyformaldehyde, and contact spring, reset spring and the selection 304 of hand-reset spring material are stainless
Steel, leather sheath material selection silastic material, inner casing laminate material select polycarbonate.
Claims (5)
1. a kind of portable waterproof travel switch, including shell (1), described shell (1) one end offers circular hole, and circular hole is for wearing
It crosses push rod cap (8), the periphery of circular hole outer surface is equipped with circular groove, and shell (1) other end is equipped with square hole, and square hole periphery is equipped with recessed
Notch on slot, with shell body rear cover (4) is cooperatively connected, it is characterised in that further includes
Leather sheath (10), leather sheath (10) are set between push rod cap (8) and shell (1), leather sheath (10) lower end thereof outer and shell
The circular groove on circular hole periphery matches, and opens up fluted on the outer of leather sheath lower part, makes leather sheath bottom outer in barb-like,
Shell body rear cover (4) lower part is equipped with external screw thread, is equipped with seal rubber (13) in externally threaded cavity, sealing ring (9) is set
It being placed in externally threaded inner cavity, sealing ring (9) top abuts against seal rubber (13), and external screw thread is stretched out in the lower part of sealing ring (9),
The connection of the internal screw thread of external screw thread bottom and threaded cap, threaded cap (5) move upwards band dynamic seal ring and move upwards, and squeeze sealing rubber
Glue generates deformation when seal rubber is by external force, squeezes to centre.
2. a kind of portable waterproof travel switch as described in claim 1, it is characterised in that: shell square hole periphery it is recessed
Housing seal pad (11) are equipped in slot, are equipped with rear sealing cushion for cover (12) in the notch on the shell body rear cover (4), the shell
Gasket (11) and rear sealing cushion for cover (12) section are rounded.
3. a kind of portable waterproof travel switch as described in claim 1, it is characterised in that: set on the push rod cap (8)
There is buckle, is cooperatively connected with touching bar (7).
4. a kind of portable waterproof travel switch as described in claim 1, it is characterised in that: the internal screw thread of the threaded cap
It is trapezoidal thread with the external screw thread in shell body rear cover.
5. a kind of portable waterproof travel switch as described in claim 1, it is characterised in that: in being additionally provided in the shell
Shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910957059.2A CN110491698B (en) | 2019-10-10 | 2019-10-10 | Portable waterproof travel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910957059.2A CN110491698B (en) | 2019-10-10 | 2019-10-10 | Portable waterproof travel switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110491698A true CN110491698A (en) | 2019-11-22 |
| CN110491698B CN110491698B (en) | 2024-03-29 |
Family
ID=68544786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910957059.2A Active CN110491698B (en) | 2019-10-10 | 2019-10-10 | Portable waterproof travel switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110491698B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB715780A (en) * | 1952-03-12 | 1954-09-22 | Joseph Charles Winterschladen | Screw plug stoppers |
| JPH08315662A (en) * | 1995-05-12 | 1996-11-29 | Alps Electric Co Ltd | Switch device sealing structure |
| AU2015101364A4 (en) * | 2015-09-21 | 2015-11-05 | Dongyang Linix Machine Electricity Co.,Ltd. | A Sealing and dust-proof structure for electric push rod |
| CN205140797U (en) * | 2015-11-03 | 2016-04-06 | 乐淸市朗齐尔电器有限公司 | Piezoelectricity switch of improvement structure |
| CN205282319U (en) * | 2016-01-07 | 2016-06-01 | 叶信谊 | Waterproof and dust protected switch |
| WO2016110181A1 (en) * | 2015-01-09 | 2016-07-14 | 南通昌荣机电有限公司 | Travel switch |
| CN106160317A (en) * | 2016-08-31 | 2016-11-23 | 浙江晶星齿轮电机有限公司 | A kind of Wet-dry motor of band wiring end cover |
| CN206379293U (en) * | 2016-12-26 | 2017-08-04 | 惠州市弘宝电器有限公司 | One kind strengthens waterproof micro switch |
| CN207868095U (en) * | 2018-03-19 | 2018-09-14 | 山东省产品质量检验研究院 | A kind of waterproof high sealing travel switch |
| CN210743830U (en) * | 2019-10-10 | 2020-06-12 | 上海华晟电器有限公司 | Portable waterproof travel switch |
-
2019
- 2019-10-10 CN CN201910957059.2A patent/CN110491698B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB715780A (en) * | 1952-03-12 | 1954-09-22 | Joseph Charles Winterschladen | Screw plug stoppers |
| JPH08315662A (en) * | 1995-05-12 | 1996-11-29 | Alps Electric Co Ltd | Switch device sealing structure |
| WO2016110181A1 (en) * | 2015-01-09 | 2016-07-14 | 南通昌荣机电有限公司 | Travel switch |
| AU2015101364A4 (en) * | 2015-09-21 | 2015-11-05 | Dongyang Linix Machine Electricity Co.,Ltd. | A Sealing and dust-proof structure for electric push rod |
| CN205140797U (en) * | 2015-11-03 | 2016-04-06 | 乐淸市朗齐尔电器有限公司 | Piezoelectricity switch of improvement structure |
| CN205282319U (en) * | 2016-01-07 | 2016-06-01 | 叶信谊 | Waterproof and dust protected switch |
| CN106160317A (en) * | 2016-08-31 | 2016-11-23 | 浙江晶星齿轮电机有限公司 | A kind of Wet-dry motor of band wiring end cover |
| CN206379293U (en) * | 2016-12-26 | 2017-08-04 | 惠州市弘宝电器有限公司 | One kind strengthens waterproof micro switch |
| CN207868095U (en) * | 2018-03-19 | 2018-09-14 | 山东省产品质量检验研究院 | A kind of waterproof high sealing travel switch |
| CN210743830U (en) * | 2019-10-10 | 2020-06-12 | 上海华晟电器有限公司 | Portable waterproof travel switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110491698B (en) | 2024-03-29 |
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