CN205282389U - Normal close formula pressure switch - Google Patents
Normal close formula pressure switch Download PDFInfo
- Publication number
- CN205282389U CN205282389U CN201520972501.6U CN201520972501U CN205282389U CN 205282389 U CN205282389 U CN 205282389U CN 201520972501 U CN201520972501 U CN 201520972501U CN 205282389 U CN205282389 U CN 205282389U
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- sheet
- chamber
- bending end
- pressure
- horizontal bending
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Abstract
The utility model relates to a pressure switch technical field, concretely relates to normal close formula pressure switch, including micro -gap switch, the sensing element of micro -gap switch bottom, micro -gap switch is equipped with first contact, the second wafer, first contact, the second wafer bottom is horizontal bending end in opposite directions, first contact horizontal bending end is less than the second wafer horizontal bending end, and first contact horizontal bending end, the tip contact of the second wafer horizontal bending end, sensing element is by connecting the body, the flexible sheet, the ejector pin, it constitutes to gather the depressor, touch with first contact horizontal bending termination on the ejector pin top, ejector pin bottom and flexible sheet contact, it is equipped with to gather and presses the chamber and gather the cushion chamber of pressing chamber upper portion to gather the depressor, gather and press the chamber upper end to be the toper structure, gather and press chamber top chamber face center to be equipped with decurrent arch, protruding side is equipped with the pore of intercommunication cushion chamber, be suitable for in the high voltage ring border, moreover, the steam generator is simple in structure, low cost.
Description
Technical field
The utility model relates to pressure switch technical field, is specifically related to normally closed formula pressure switch.
Background technology
Pressure switch has various models and corresponding structure, sensing element and switch action part can be divided, the change that pressure experienced by sensing element causes the contact of switch action part to trigger switch, existing pressure switch mostly is low pressure type, it is not suitable for the environment of high pressure, and the sensitivity of switch is not high, affects use greatly.
Practical novel content
Technical problem to be solved in the utility model is for above-mentioned defect, it is provided that normally closed formula pressure switch, highly sensitive, is suitable in hyperbaric environment, and structure is simple, and cost is low.
The technical scheme that the utility model solves the employing of its technical problem is as follows:
Normally closed formula pressure switch, comprise vernier switch, sensing element bottom vernier switch, described vernier switch is provided with the first vertically relative tactile sheet, 2nd touches sheet, first touches sheet, the bottom of the 2nd tactile sheet is horizontal bending end in opposite directions, first touches the horizontal bending end of sheet touches the horizontal bending end of sheet higher than the 2nd, and first touch the horizontal bending end of sheet, 2nd touches the horizontal bending end in the vertical direction of sheet confluence, the first of confluence place touches the horizontal bending end of sheet, 2nd touches sheet level bending end in contact, described sensing element by with the fittings body being connected bottom vernier switch, flexible sheet bottom fittings body, poly-depressor bottom the push rod in fittings body axle center and flexible sheet is formed, sheet level bending end in contact is touched on push rod top and first, push rod bottom and flexible sheet central contact, flexible sheet center concave downward, poly-depressor is provided with poly-pressure chamber and the buffering chamber on poly-pressure top, chamber, poly-pressure upper end, chamber is taper structure, poly-pressure Qiang Mian center, top, chamber is provided with downward projection, protruding side is provided with the duct being connected buffering chamber, buffering chamber is relative with flexible sheet,
Poly-pressure chamber can increase pressure, buffering chamber it is delivered to after pressure increase, buffering chamber is impelled and is occurred in the middle of flexible sheet deformation upwards to move at first to push push rod, push rod upper end pushes the first tactile horizontal bending end of sheet and moves up, first is made to touch sheet level bending terminal contacts and the contact separation of the 2nd tactile horizontal bending end of sheet, vernier switch is opened, and reaches the object of switch.
Further, it is provided with encapsulation vernier switch outside described vernier switch, encapsulating housing that inductive component is integrated, fills in encapsulating housing and put insulator seal material, ensure inner insulativity, it is to increase security.
Further, described fittings body bottom is the inverted cone-shaped structure coordinating flexible sheet, impels pressure increase.
Further, described poly-pressure chamber volume is greater than buffering chamber volume, poly-pressure chamber, buffering chamber concentric, poly-pressure bottom, chamber Bonding pressure component, booster cavity increases pressure, and the pressure after increase is delivered to buffering chamber by duct, buffering chamber impels pressure to be preferentially delivered on flexible sheet, it is to increase susceptibility.
Further, described vernier switch, sensing element concentric, be convenient to encapsulation, impel raising susceptibility.
Further, described first touches the horizontal bending end of sheet, the 2nd tactile sheet level bending end in contact place is provided with contact, and contact contact can avoid adhesion, accelerates separation, it is to increase sensitivity.
The beneficial effects of the utility model are: adopt such scheme, booster cavity will be delivered to buffering chamber after pressure increase, buffering chamber is in conjunction with the inverted cone-shaped structure of fittings body bottom, make the deformation rule of flexible sheet, flexible sheet center is preferentially gone up shifting and is pushed push rod, and push rod upwards pushes first and touches the horizontal bending end of sheet, makes first to touch sheet level bending terminal contacts and the contact separation of the 2nd tactile horizontal bending end of sheet, reach the object of switch, improve the susceptibility of switch greatly.
Accompanying drawing explanation
By the detailed description below in conjunction with accompanying drawing, the utility model aforesaid and other object, feature and advantage will become apparent.
Fig. 1 is the cross section structure schematic diagram of the utility model embodiment 1.
Fig. 2 is the cross section structure schematic diagram of the utility model embodiment 2.
Wherein: 1 is vernier switch, 1.1 is the first tactile sheet, and 1.2 is the 2nd tactile sheet, and 2 is fittings body, and 3 is flexible sheet, and 4 is push rod, and 5 is poly-depressor, and 5.1 press chamber for gathering, and 5.2 is buffering chamber, and 6 is encapsulating housing
Embodiment
Embodiment 1: normally closed formula pressure switch as shown in Figure 1, comprise vernier switch 1, sensing element bottom vernier switch 2, vernier switch 1 is provided with the first vertically relative tactile sheet 1.1, 2nd touches sheet 1.2, first touches sheet 1.1, the bottom of the 2nd tactile sheet 1.2 is horizontal bending end in opposite directions, first touches the horizontal bending end of sheet touches the horizontal bending end of sheet higher than the 2nd, and first touch the horizontal bending end of sheet, 2nd touches the horizontal bending end in the vertical direction of sheet confluence, the first of confluence place touches the horizontal bending end of sheet, the 2nd tactile horizontal bending end of sheet contacts and point of contact is provided with contact, the first tactile horizontal bending end of sheet is elastic element, for improving elasticity and susceptibility, the first tactile horizontal bending end of sheet is horizontal-extending again after bending place bends obliquely, sensing element by with the fittings body 2 being connected bottom vernier switch 1, flexible sheet 3 bottom fittings body 2, poly-depressor 5 bottom the push rod 4 in fittings body 2 axle center and flexible sheet 3 is formed, the top of push rod 4 is touched the horizontal bending end center of sheet with first and is contacted, corresponding first touches sheet horizontal bending end center and is provided with downward projection, to improve sensitivity, the bottom of push rod 4 and the central contact of flexible sheet 3, flexible sheet 3 is elastic plastic material, become sensitive by swaging, the center concave downward of flexible sheet 3, poly-depressor 5 is provided with poly-pressure chamber 5.1 and the buffering chamber 5.2 on poly-pressure top, chamber 5.1, the upper end in poly-pressure chamber 5.1 is taper structure, the Qiang Mian center, top in poly-pressure chamber 5.1 is provided with downward projection, protruding side is provided with the duct being connected buffering chamber, buffering chamber 5.2 is relative with flexible sheet 3, the bottom of fittings body 2 is the inverted cone-shaped structure coordinating flexible sheet 3, impel pressure increase, impel raising susceptibility, poly-pressure chamber 5.1 volume is greater than buffering chamber 5.2 volume, poly-pressure chamber 5.1, buffering chamber 5.2 concentric, poly-pressure bottom, chamber 5.1 Bonding pressure component, booster cavity 5.1 increases pressure, pressure after increase is delivered to buffering chamber 5.2 by duct, buffering chamber 5.2 impels pressure to be preferentially delivered on flexible sheet 3, improve susceptibility, encapsulation vernier switch 1 it is provided with outside vernier switch 1, the encapsulating housing 6 that inductive component is integrated, fill in encapsulating housing 6 and put insulator seal material, ensure inner insulativity, improve security, and vernier switch 1, sensing element concentric, it is convenient to encapsulation, impel raising susceptibility, poly-pressure chamber 5.1 can increase pressure, buffering chamber 5.2 it is delivered to after pressure increase, buffering chamber 5.2 is impelled and is occurred in the middle of flexible sheet 3 deformation upwards to move at first to push push rod 4, push rod 4 upper end pushes first and touches the horizontal bending end of sheet, first is made to touch sheet level bending terminal contacts and the contact separation of the 2nd tactile horizontal bending end of sheet, reach the object of switch, poly-depressor 5 is applicable to hyperbaric environment, the inverted cone-shaped structure of fittings body 2 bottom can alleviate high pressure, keep sensitivity simultaneously, flexible sheet 3 is avoided to damage.
Embodiment 2: normally closed formula pressure switch as shown in Figure 2, comprise vernier switch 1, sensing element bottom vernier switch 2, vernier switch 1 is provided with the first vertically relative tactile sheet 1.1, 2nd touches sheet 1.2, first touches sheet 1.1, the bottom of the 2nd tactile sheet 1.2 is horizontal bending end in opposite directions, first touches the horizontal bending end of sheet touches the horizontal bending end of sheet higher than the 2nd, and first touch the horizontal bending end of sheet, 2nd touches the horizontal bending end in the vertical direction of sheet confluence, the first of confluence place touches the horizontal bending end of sheet, 2nd touches sheet level bending end in contact, and contact position is provided with contact, the first tactile horizontal bending end of sheet is elastic element, for improving elasticity and susceptibility, the first tactile horizontal bending end of sheet is horizontal-extending again after bending place bends obliquely, sensing element by with the fittings body 2 being connected bottom vernier switch 1, flexible sheet 3 bottom fittings body 2, high pressure pipe bottom the push rod 4 in fittings body 2 axle center and flexible sheet 3 is formed, the top of push rod 4 is touched the horizontal bending end center of sheet with first and is contacted, corresponding first touches sheet horizontal bending end center and is provided with downward projection, to improve sensitivity, the bottom of push rod 4 and the central contact of flexible sheet 3, flexible sheet 3 is elastic plastic material, become sensitive by swaging, the center concave downward of flexible sheet 3, the bottom of fittings body 2 is the inverted cone-shaped structure coordinating flexible sheet 3, impel pressure increase, impel raising susceptibility, high pressure pipe connects hydraulic pressure or air pressure assembly, high pressure pipe transfers the pressure to the inverted cone-shaped structure place of fittings body 2, inverted cone-shaped structure place impels pressure to be preferentially delivered on flexible sheet 3, improve susceptibility, encapsulation vernier switch 1 it is provided with outside vernier switch 1, the encapsulating housing 6 that inductive component is integrated, fill in encapsulating housing 6 and put insulator seal material, ensure inner insulativity, improve security, and vernier switch 1, sensing element concentric, it is convenient to encapsulation, impel raising susceptibility, high pressure pipe impels and occurs in the middle of flexible sheet 3 deformation upwards to move at first to push push rod 4, push rod 4 upper end pushes first and touches the horizontal bending end of sheet, first is made to touch sheet level bending terminal contacts and the contact separation of the 2nd tactile horizontal bending end of sheet, reach the object of switch, high pressure pipe is applicable to hyperbaric environment, there is higher sensitivity.
The above; it it is only better embodiment of the present utility model; the utility model not does any restriction in form, and every any simple modification according to above embodiment being done in technical spirit of the present utility model, equivalent variations, all fall within protection domain of the present utility model.
Claims (6)
1. normally closed formula pressure switch, comprise vernier switch, sensing element bottom vernier switch, it is characterized in that: described vernier switch is provided with the first vertically relative tactile sheet, 2nd touches sheet, first touches sheet, the bottom of the 2nd tactile sheet is horizontal bending end in opposite directions, first touches the horizontal bending end of sheet touches the horizontal bending end of sheet higher than the 2nd, and first touch the horizontal bending end of sheet, 2nd touches sheet horizontal bending end end contact, described sensing element by with the fittings body being connected bottom vernier switch, flexible sheet bottom fittings body, poly-depressor bottom the push rod in fittings body axle center and flexible sheet is formed, sheet level bending end in contact is touched on push rod top and first, push rod bottom and flexible sheet central contact, flexible sheet center concave downward, poly-depressor is provided with poly-pressure chamber and the buffering chamber on poly-pressure top, chamber, poly-pressure upper end, chamber is taper structure, poly-pressure Qiang Mian center, top, chamber is provided with downward projection, protruding side is provided with the duct being connected buffering chamber, buffering chamber is relative with flexible sheet.
2. normally closed formula pressure switch according to claim 1, it is characterised in that: it is provided with the encapsulating housing that encapsulation vernier switch, inductive component are integrated outside described vernier switch.
3. normally closed formula pressure switch according to claim 1, it is characterised in that: described fittings body bottom is the inverted cone-shaped structure coordinating flexible sheet.
4. normally closed formula pressure switch according to claim 1, it is characterised in that: described poly-pressure chamber volume is greater than buffering chamber volume, poly-pressure chamber, buffering chamber concentric, poly-pressure bottom, chamber Bonding pressure component.
5. normally closed formula pressure switch according to claim 1, it is characterised in that: described vernier switch, sensing element concentric.
6. normally closed formula pressure switch according to claim 1, it is characterised in that: described first touches the horizontal bending end of sheet, the 2nd tactile sheet level bending end in contact place is provided with contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520972501.6U CN205282389U (en) | 2015-11-30 | 2015-11-30 | Normal close formula pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520972501.6U CN205282389U (en) | 2015-11-30 | 2015-11-30 | Normal close formula pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205282389U true CN205282389U (en) | 2016-06-01 |
Family
ID=56066938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520972501.6U Expired - Fee Related CN205282389U (en) | 2015-11-30 | 2015-11-30 | Normal close formula pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205282389U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009144A (en) * | 2018-07-20 | 2018-12-18 | 渝新智能科技（上海）有限公司 | A kind of sleep restorative procedure, device and equipment based on temperature |
| CN109044017A (en) * | 2018-07-20 | 2018-12-21 | 渝新智能科技（上海）有限公司 | A kind of pillow for the sleep that makes for good health |
| CN109124642A (en) * | 2018-07-20 | 2019-01-04 | 渝新智能科技（上海）有限公司 | One kind is for detecting dormant signal source device and sleep articles |
| CN109303548A (en) * | 2018-07-20 | 2019-02-05 | 渝新智能科技（上海）有限公司 | A kind of children's sleeping position monitoring method, device and equipment |
-
2015
- 2015-11-30 CN CN201520972501.6U patent/CN205282389U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009144A (en) * | 2018-07-20 | 2018-12-18 | 渝新智能科技（上海）有限公司 | A kind of sleep restorative procedure, device and equipment based on temperature |
| CN109044017A (en) * | 2018-07-20 | 2018-12-21 | 渝新智能科技（上海）有限公司 | A kind of pillow for the sleep that makes for good health |
| CN109124642A (en) * | 2018-07-20 | 2019-01-04 | 渝新智能科技（上海）有限公司 | One kind is for detecting dormant signal source device and sleep articles |
| CN109303548A (en) * | 2018-07-20 | 2019-02-05 | 渝新智能科技（上海）有限公司 | A kind of children's sleeping position monitoring method, device and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20161130 |