CN203839232U - Pressure switch - Google Patents
Pressure switch Download PDFInfo
- Publication number
- CN203839232U CN203839232U CN201420179149.6U CN201420179149U CN203839232U CN 203839232 U CN203839232 U CN 203839232U CN 201420179149 U CN201420179149 U CN 201420179149U CN 203839232 U CN203839232 U CN 203839232U
- Authority
- CN
- China
- Prior art keywords
- moving plate
- switch
- spring
- plug body
- push rod
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a pressure switch, which comprises a plug body, a switch shell and a compression mechanism with an ejector rod, wherein the plug body is sleeved in the switch shell, and the front end face of the switch shell is provided with a circular hole for the ejector rod to pass through; the rear end of the compression mechanism is provided with a moving plate, the plug body is internally provided with a binding post, the front end of the binding post is provided with a static contact, and the moving plate is provided with a moving plate contact matched with the static contact; and the plug body and the moving plate are provided with a first spring therebetween. According to the utility model, the front end of the switch shell is provided with the compression mechanism with the ejector rod, the moving plate is driven to move through compression of the compression mechanism, and the moving plate contact on the moving plate is enabled to be contacted with or separated from the static contact on the plug body, thereby realizing opening or closing of the switch. The pressure switch mainly carries out an optimization design on the product structure, internal parts are stable and reliable in movement, and the moving plate and a static plate are more stable in contact, thereby avoiding ablation caused by generation of arc discharge in contact or disconnection.
Description
Technical field
The utility model relates to a kind of pressure switch.
Background technology
Mechanical transmission all will assemble reverse gear indicator light switch, and at present, reverse gear indicator light switch is affected by applying working condition, and failure rate is higher, and claim is large, user complains many.Existing reverse gear indicator light switch major failure is the phenomenons such as ablation, burn into sealing ring aging and sclerosis, leakage of oil and unstable properties, mostly former because internal structure defectiveness causes all kinds of faults to occur.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, and a kind of pressure switch is provided, and this pressure switch is mainly carried out optimal design on product structure, and inner body steadily, reliably, has been fixed gasket seal when motion, improves sealing property.
For achieving the above object, the technical solution adopted in the utility model is: comprise plug body, switch case and with the compressing mechanism of push rod; Plug body is sleeved in switch case, offers the circular hole that push rod is passed on the front end face of switch case; In plug body, be provided with binding post, the front end of binding post arranges fixed contact, and the rear end of compressing mechanism is provided with moving plate, is provided with the rotor contact that makes two fixed contact On currents on moving plate; Between plug body and moving plate, be provided with the first spring.
Described compressing mechanism comprises and is arranged on the second spring in push rod and is arranged on the spring base in switch case, and one end of the second spring is arranged in push rod, and the other end is connected on spring base; The front end of push rod passes spring base and switch case, and rear end is arranged in spring base, and the rear end of push rod is provided with boss, and the front end of spring base is provided with the boss curving inwardly for preventing that the second spring from ejecting push rod; Spring base can move under the drive of push rod in switch case, drives moving plate motion simultaneously.
Described spring base is connected with the second spring by spring pressure cap, and the end of spring pressure cap is provided with boss, and is connected to the bottom of spring base.
The rear end of described spring pressure cap is disposed with and prevents that the oil gas of switch front end from entering the gasket seal in the cavity of switch rear end, and gasket seal is fixed in switch case by briquetting, and briquetting and switch case interference fit; On gasket seal, be provided with for laying the lining of moving plate.
Described lining is working of plastics, and on lining, is provided with lead; On moving plate, be provided with pilot hole.
Described gasket seal is waveform, and the thickness of periphery is greater than the thickness at center, and the center of gasket seal is planar structure.
The both sides of described moving plate are provided with the flange of two projections that match with groove in plug body.
Described plug body and the cooperation place of switch case seal by O-ring seals, and plug body and switch case are riveted together.
In described switch case, offer the steam vent of being convenient to push rod flexible motion; On the sidewall of spring base, offer through hole.
Described fixed contact is riveted on the front end of binding post.
Compared with prior art, the utlity model has following beneficial effect:
The front end of the utility model by switch case installed a compressing mechanism with push rod, compress drive moving plate and moves, and rotor contact on moving plate is contacted or separated with fixed contact in plug body by compressing mechanism, realizes the opening and closing movement of switch.The utility model mainly carries out optimal design on product structure, and inner body is steady when motion, reliable, more steady when moving plate contacts with still, produces arcing electric discharge when avoiding contact or disconnecting, and causes ablation.
Further, the utility model has been fixed gasket seal, improves sealing property.The design of moving plate and lining is more reasonable, has improved insulating properties, has protected gasket seal.
Further, gasket seal of the present utility model is waveform, and periphery is thick, and center is thin, and center is a planar structure, coordinates area large, and motion steadily.Gasket seal is fixed in switch case by briquetting, briquetting and switch case interference fit, and gasket seal must not enter in the cavity of switch rear end the oil gas of switch front end.
Further, in switch case of the present utility model, offer steam vent, push rod, the second spring, spring base and spring pressure cap are combined into a widgets, and push rod can be compressed, and widgets is assembled to switch case front end, spring base can move freely, on spring base wall, have aperture, switch case front end has aperture, is convenient to push rod flexible motion, this structure makes reverse gear switch feel good, and avoids overcompression to cause the damage of inner body.
Further, lining of the present utility model, with lead, coordinates stable.Moving plate has pilot hole, coordinates stablize with lining, and there is the flange of two projections moving plate both sides, and with the groove fit of plug body, moving plate contact or disconnection are more steady.
Further, fixed contact of the present utility model is riveted on binding post, fixed contact is connected firm with binding post.
Further, lining of the present utility model is working of plastics, good insulating, and with lead, make the motion of lining more steady.
Further, plug body of the present utility model and switch case are equipped with O-ring seals in cooperation place, and both are riveted together, and have further strengthened sealing.
Accompanying drawing explanation
Fig. 1 be the utility model push rod in free state, the structure chart that switch is off-state;
Fig. 2 be the utility model push rod in compressive state, the structure chart that switch is closure state.
Wherein: 1 is shape sealing ring; 2 is lining; 3 is the first spring; 4 is binding post; 5 is moving plate; 6 is switch case; 7 is sealing gasket; 8 is briquetting; 9 is push rod; 10 is the second spring; 11 is spring base; 12 is spring pressure cap; 13 is plug body; 14 is fixed contact; 15 is rotor contact.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1 and Fig. 2, the utility model comprises plug body 13, switch case 6 and with the compressing mechanism of push rod 9; Compressing mechanism comprises and is arranged on the second spring 10 in push rod 9 and is arranged on spring base 11 in switch case 6 and one end of spring pressure cap 12, the second springs 10 is fixed in push rod 9, and the other end is fixed on spring pressure cap 12; The front end of push rod 9 rear ends and spring pressure cap 12 is provided with boss, spring base 11 is installed between the boss of push rod 9 rear ends and the boss of spring pressure cap 12 front ends, and the front end of spring base 11 is aduncate boss, rear end is offered for holding the groove of spring pressure cap 12 front end boss on inwall, and spring base can be in the interior motion of switch case 6 under the drive of push rod 9.Plug body 13 is sleeved in switch case 6, offers the circular hole that push rod 9 is passed on the front end face of switch case 6; The rear end of compressing mechanism is provided with moving plate 5, is provided with binding post 4 in plug body 13, and binding post 4 can arrange some according to actual needs; The front end of binding post 4 arranges fixed contact 14, is provided with the rotor contact 15 matching with fixed contact 14 on moving plate 5; The both sides of moving plate 5 are provided with the flange of two projections that match with groove in plug body 13.Plug body 13 seals by O-ring seals 1 with the cooperation place of switch case 6, and plug body 13 and switch case 6 are riveted together.In switch case 6, offer the steam vent of being convenient to push rod flexible motion; On the sidewall of spring base 11, offer through hole.Fixed contact 14 is riveted on the front end of binding post 4.Between plug body 13 and moving plate 5, be provided with the first spring 3.The rear end of spring pressure cap 12 is disposed with and prevents that the oil gas of switch front end from entering the gasket seal 7 in the cavity of switch rear end, gasket seal 7 is fixed in switch case 6 by briquetting 8, briquetting 8 and switch case 6 interference fit, gasket seal 7 is waveform, the thickness of periphery is greater than the thickness at center, and the center of gasket seal 7 is planar structure; On gasket seal 7, be provided with for laying the lining 2 of moving plate 5.Lining 2 is working of plastics, and is provided with lead on lining 2; On moving plate 5, be provided with pilot hole.
The course of work of the present utility model
As shown in Figure 1, push rod 9 under free state, the first spring 3 make moving plate 5 under the effect of spring force with fixed contact 14 in off-state.
As shown in Figure 2, after the certain stroke of push rod 9 compression, the second spring 10, spring base 11 and spring pressure cap 12 move upward, spring pressure cap 12 promotes sealing gasket 7 and lining 2, moving plate 5 compression the first springs 3, rotor contact 15 and fixed contact 14 combinations on moving plate 5, at this moment, switch is in closure state.
After push rod 9 discharges, under the active force of the first spring 3, the moving contacting plate 15 on moving plate 5 is separated with fixed contact 14, and switch is in off-state.
Above content is only explanation technological thought of the present utility model; can not limit protection range of the present utility model with this; every technological thought according to the utility model proposes, any change of doing on technical scheme basis, within all falling into the protection range of the utility model claims.
Claims (10)
1. a pressure switch, is characterized in that: comprise plug body (13), switch case (6) and with the compressing mechanism of push rod (9); Plug body (13) is sleeved in switch case (6), offers the circular hole that push rod (9) is passed on the front end face of switch case (6); In plug body (13), be provided with binding post (4), the front end of binding post (4) arranges fixed contact (14), and the rear end of compressing mechanism is provided with moving plate (5), is provided with the rotor contact (15) that makes two fixed contacts (14) On current on moving plate (5); Between plug body (13) and moving plate (5), be provided with the first spring (3).
2. pressure switch according to claim 1, it is characterized in that: described compressing mechanism comprises and is arranged on the second spring (10) in push rod (9) and is arranged on the spring base (11) in switch case (6), one end of the second spring (10) is arranged in push rod (9), and the other end is connected on spring base (11); The front end of push rod (9) passes spring base (11) and switch case (6), rear end is arranged in spring base (11), the rear end of push rod (9) is provided with boss, and the front end of spring base (11) is provided with the boss curving inwardly for preventing that the second spring (10) from ejecting push rod (9); Spring base can move under the drive of push rod (9) in switch case (6), drives moving plate (5) motion simultaneously.
3. pressure switch according to claim 2, is characterized in that: described spring base (11) is connected with the second spring (10) by spring pressure cap (12), and the end of spring pressure cap (12) is provided with boss, and is connected to the bottom of spring base (11).
4. pressure switch according to claim 3, it is characterized in that: the rear end of described spring pressure cap (12) is disposed with and prevents that the oil gas of switch front end from entering the gasket seal (7) in the cavity of switch rear end, gasket seal (7) is fixed in switch case (6) by briquetting (8), and briquetting (8) and switch case (6) interference fit; On gasket seal (7), be provided with the lining (2) for laying moving plate (5).
5. pressure switch according to claim 4, is characterized in that: described lining (2) is working of plastics, and on lining (2), is provided with lead; Moving plate is provided with pilot hole on (5).
6. pressure switch according to claim 4, is characterized in that: described gasket seal (7) is waveform, and the thickness of periphery is greater than the thickness at center, and the center of gasket seal (7) is planar structure.
7. pressure switch according to claim 1, is characterized in that: the both sides of described moving plate (5) are provided with the flange of two projections that match with groove in plug body (13).
8. according to the pressure switch described in claim 1 or 7, it is characterized in that: the cooperation place of described plug body (13) and switch case (6) is by O-ring seals (1) sealing, and plug body (13) and switch case (6) are riveted together.
9. according to the pressure switch described in claim 1,2 or 3, it is characterized in that: described switch case offers the steam vent of being convenient to push rod flexible motion on (6); On the sidewall of spring base (11), offer through hole.
10. pressure switch according to claim 1, is characterized in that: described fixed contact (14) is riveted on the front end of binding post (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179149.6U CN203839232U (en) | 2014-04-14 | 2014-04-14 | Pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179149.6U CN203839232U (en) | 2014-04-14 | 2014-04-14 | Pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839232U true CN203839232U (en) | 2014-09-17 |
Family
ID=51517043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420179149.6U Expired - Lifetime CN203839232U (en) | 2014-04-14 | 2014-04-14 | Pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839232U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017104A (en) * | 2017-05-11 | 2017-08-04 | 乐清市裕林电子有限公司 | A kind of Metal snap using RJ series of receptacles as the mode of connection |
| CN114220685A (en) * | 2021-11-26 | 2022-03-22 | 陕西航空电气有限责任公司 | High-low gear switch of air pressure resistant structure for gearbox |
| WO2022142161A1 (en) * | 2020-12-30 | 2022-07-07 | 温州市三峻轿车配件有限公司 | Single-contact signal switch |
| CN115132511A (en) * | 2022-07-11 | 2022-09-30 | 沈阳仪表科学研究院有限公司 | Pressure switch for realizing mechanical unlocking function and unlocking method thereof |
-
2014
- 2014-04-14 CN CN201420179149.6U patent/CN203839232U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017104A (en) * | 2017-05-11 | 2017-08-04 | 乐清市裕林电子有限公司 | A kind of Metal snap using RJ series of receptacles as the mode of connection |
| WO2022142161A1 (en) * | 2020-12-30 | 2022-07-07 | 温州市三峻轿车配件有限公司 | Single-contact signal switch |
| CN114220685A (en) * | 2021-11-26 | 2022-03-22 | 陕西航空电气有限责任公司 | High-low gear switch of air pressure resistant structure for gearbox |
| CN115132511A (en) * | 2022-07-11 | 2022-09-30 | 沈阳仪表科学研究院有限公司 | Pressure switch for realizing mechanical unlocking function and unlocking method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
|
| CX01 | Expiry of patent term |