CN206363949U - A kind of air pressure connects electric switch - Google Patents
A kind of air pressure connects electric switch Download PDFInfo
- Publication number
- CN206363949U CN206363949U CN201720054397.1U CN201720054397U CN206363949U CN 206363949 U CN206363949 U CN 206363949U CN 201720054397 U CN201720054397 U CN 201720054397U CN 206363949 U CN206363949 U CN 206363949U
- Authority
- CN
- China
- Prior art keywords
- housing
- piston rod
- air pressure
- sealing ring
- conducting
- 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.)
- Active
Links
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
Electric switch is connect the utility model discloses a kind of air pressure, belongs to switching technique field.Including piston rod, conducting ring, sealing ring, housing, cap and spring, conducting ring is embedded on housing, and piston rod and sealing ring are arranged in housing, and spring is connected between piston rod and housing bottom, and piston rod and sealing ring and housing constitute the air chamber of a closing.The utility model is entered behind high-altitude using switch, the change of air chamber inner and outer air pressure, is promoted piston rod movement, piston rod is contacted with conducting ring, realizes the function of switching by being disconnected to conducting.The utility model utilizes the change of air chamber inner and outer air pressure, promotes piston rod movement, piston rod is contacted with conducting ring, realizes the function of switching by being disconnected to conducting, good reliability, it is adaptable to the significant application environment of air pressure change.
Description
Technical field
The utility model belongs to switching technique field, and in particular to one kind realizes that on off state turns using high-altitude air pressure change
That changes connects electric switch.
Background technology
The function of connecing electric switch is the working condition for controlling circuit, usually connects electric switch and is in normally open, outer when receiving
When boundary is encouraged, switch becomes conducting state by disconnection.The design for connecing electric switch occupies vital status in many fields,
Be frequently necessary to develop various environmental excitations controls connects electric switch.
The startup species for connecing electric switch is a lot, is such as closed using in transmitting or percussion object procedure, connecing electric switch and experience overload
Close, connection circuit makes the overload of its work connect electric switch.But the startup of such switch and overload environment are closely related.Once overload
Environment changes, and switch is possible to not close.And duties handle when, the overload produced when such as falling up to thousands of g with
On, under these conditions, overload connects electric switch and is possible to unexpected closure, therefore overload connect the duties processing security of electric switch compared with
Difference.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model enters for example high altitude environment using switch
Afterwards, the change of air chamber inner and outer air pressure, promotes piston rod movement, piston rod is contacted with conducting ring, realizes that switch is led by being disconnected to
Logical function, good reliability, it is adaptable to the significant application environment of air pressure change.
A kind of air pressure connects electric switch, including conductive piston bar, conducting ring, sealing ring, housing, cap and spring；Conduction is living
Stopper rod is located at housing central section, and sealing ring is provided between the side wall of conductive piston bar and the side wall of housing；One end connection shell of spring
Body bottom, other end connection conductive piston bar；Two conducting rings are at least arranged with the side wall close to case top；Cap is pacified
Open top loaded on housing；Lower surface, the sealing ring of conductive piston bar form closing together with the side wall of housing and bottom
Lower chamber, the upper surface of conductive piston bar formed together with the side wall and cap of housing be provided with upper chamber, cap for by
The stomata that air chamber is connected with external environment；
When lower chamber is identical with the air pressure of upper chamber, the drag of the frictional force and spring of sealing ring and housing makes conductive work
Stopper rod is maintained at the initial makeup location in housing, and switch is off；
When the air pressure of lower chamber is more than the air pressure of upper chamber, draught head promotes piston rod to move upwards, piston rod movement
To when being contacted with left and right conducting ring, switch becomes conducting state by disconnection.
As a kind of better embodiment of the present utility model, the conducting ring is thin-walled domes, and material is that beryllium is blue or green
Copper, left and right symmetrically arranged two conducting rings are as the two poles of the earth of a switch, and the direction at the center of conducting ring sensing housing is most
Short distance is less than the diameter of piston rod, and conducting ring, which points to the external diameter direction of housing and housing, has gap, the tail of each conducting ring
A wire is drawn respectively in portion.
As a kind of better embodiment of the present utility model, one end of the piston rod has blind hole, for mitigating work
Stopper rod quality simultaneously increases lower chamber volume.
As a kind of better embodiment of the present utility model, the groove height that sealing ring is placed on the piston rod is close
1.5~2 times of seal diameter, depth of groove is the 25%~40% of seal diameter, between sealing ring and piston rod and housing
Decrement be 15%~30%.
As a kind of better embodiment of the present utility model, the housing and cap are nonmetallic electrically non-conductive material.
Advantageous effects of the present utility model are embodied in：
The utility model is entered behind high-altitude using switch, the change of air chamber inner and outer air pressure, is promoted piston rod movement, is made piston
Bar is contacted with conducting ring, realizes the function of switching by being disconnected to conducting.The utility model can be realized to one or more circuit
Control, with simple in construction, the characteristics of conversion is reliable, cost is low.
Brief description of the drawings
Fig. 1 is that the utility model air pressure connects the initial off-state structural representation of electric switch；
Fig. 2 is that the utility model air pressure connects electric switch closure state structural representation in place.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and specifically
Embodiment, is described in further detail to the utility model.It should be appreciated that specific embodiment described herein is only to solve
The utility model is released, is not used to limit the utility model.In addition, in each embodiment of the utility model disclosed below
As long as involved technical characteristic does not constitute conflict and can be just mutually combined each other.
As illustrated in fig. 1 and 2, the utility model air pressure connect electric switch including piston rod 1, conducting ring 2, sealing ring 3, housing 4,
Cap 5 and spring 6.
The piston rod 1 is the cylinder of metal material, has a groove, sealing along external diameter at the middle part of piston rod 1
Circle 3 is placed in the groove of piston rod 1, and sealing ring 3 is O-ring seal, and piston rod 1 and sealing ring 3 are arranged in housing 4, piston
The internal diameter gap of bar 1 and housing 4 coordinates, and the internal diameter of sealing ring 3 and housing 4 is interference fitted, and piston rod 1 is certain away from the bottom of housing 4
Highly, it is supported by spring 6, piston rod 1 and sealing ring 3 and housing 4 constitute the lower chamber of a closing.Conductive piston
The upper surface of bar 1 forms to be provided with upper chamber, cap 5 together with the side wall and cap 5 of housing 4 to be used for upper chamber and extraneous ring
The stomata of border connection.One end of piston rod 1 has blind hole, mitigates the mass of piston rod 1 and increases the volume of closed air chamber.
The housing 4 and cap 5 are the stomata for having on nonmetallic electrically non-conductive material, cap 5 and uniformly arranging, and are easy to gas
The discharge of body, cap 5 is threadedly secured on housing 4, and total is closed into an entirety.
As shown in figure 1, be usually spaced from each other as the conducting ring 2 at switch the two poles of the earth, the frictional force of sealing ring 3 and housing 4 and
The drag of spring 6 makes the initial makeup location that piston rod 1 is maintained in housing 4, and constitutes the air chamber of a closing.Piston rod 1
Away from the certain distance of conducting ring 2, the draught head of the upper and lower end face of piston rod 1 is consistent, and switch is off.When switch enters high-altitude
Afterwards, as height is constantly raised, high-altitude air pressure is constantly reduced, the air chamber being made up of piston rod 1 and sealing ring 3 in housing 4
Interior air pressure is more than ambient pressure, can produce expansion, and the pressure that expansion is produced overcomes the frictional force of sealing ring 3 and housing 4, promotes and lives
Stopper rod 1 is moved upwards, when piston rod 1, which is moved to, to be contacted with conducting ring 2, and switch the two poles of the earth that each two conducting ring 2 is constituted are by breaking
Open and become conducting state, as shown in Figure 2.
As a kind of preferably embodiment, the conducting ring 2 is thin-walled domes, and material is blue or green to deform preferable beryllium
Copper, conducting ring 2 is fixed on the corresponding groove of housing 4, and each two conducting ring 2 is pointed to as the two poles of the earth switched, conducting ring 2
The beeline in the direction at the center of housing 4 is less than the diameter of piston rod 1, and conducting ring 2 points to external diameter direction and the housing of housing 4
4 have gap, and the afterbody of each conducting ring 2 draws a wire 7 respectively.When piston rod 1 extrudes conducting ring 2, conducting ring 2
There is gap at the position of connecting wire 7 with housing 4, and material is easy to conducting ring 2 to deform, really to deform preferable beryllium-bronze material
The contact with conducting ring 2 of keep-alive stopper rod 1 is reliable.
As a kind of preferably embodiment, it is the diameter of sealing ring 3 that the groove height of sealing ring 3 is placed on piston rod 1
1.5~2 times, depth of groove is the 25%~40% of the diameter of sealing ring 3, the compression between sealing ring 3 and piston rod 1 and housing 4
Measure as 15%~30%.
In the manner described above, multiple conducting rings can be set in housing edge week, and each two constitutes the two of a switch, realization pair
Multiplex circuit cut-offs control.
Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (5)
1. a kind of air pressure connects electric switch, it is characterised in that including conductive piston bar (1), conducting ring (2), sealing ring (3), housing
(4), cap (5) and spring (6)；Conductive piston bar (1) is located in the middle part of housing (4), the side wall and housing of conductive piston bar (1)
(4) sealing ring (3) is provided between side wall；One end connection housing (4) bottom of spring (6), other end connection conductive piston bar
(1)；Two conducting rings (2) are at least arranged with the side wall at the top of housing (4)；Cap (5) is installed on the top of housing (4)
Portion's opening；Lower surface, the sealing ring (3) of conductive piston bar (1) form the lower gas of closing together with the side wall of housing (4) and bottom
Room, the upper surface of conductive piston bar (1) forms upper chamber together with the side wall of housing (4) and cap (5), and cap is provided with (5)
For the stomata for connecting upper chamber with external environment；
When lower chamber is identical with the air pressure of upper chamber, sealing ring (3) makes with the frictional force of housing (4) and the drag of spring (6)
Conductive piston bar (1) is maintained at the initial makeup location in housing (4), and switch is off；
When the air pressure of lower chamber is more than the air pressure of upper chamber, draught head promotes piston rod (1) to move upwards, piston rod (1) fortune
Move to when being contacted with left and right conducting ring (2), switch becomes conducting state by disconnection.
2. air pressure according to claim 1 connects electric switch, it is characterised in that the conducting ring (2) is thin-walled domes,
Material is beryllium-bronze, and left and right symmetrically arranged two conducting rings (2) are used as the two poles of the earth of a switch, conducting ring (2) sensing housing
(4) beeline in the direction at center be less than piston rod (1) diameter, conducting ring (2) point to housing (4) external diameter direction with
Housing (4) has gap, and the afterbody of each conducting ring (2) draws a wire (7) respectively.
3. air pressure according to claim 1 connects electric switch, it is characterised in that one end of the piston rod (1) has blind hole,
For mitigating piston rod quality and increasing lower chamber volume.
4. a kind of air pressure as described in claim 1 or 2 or 3 connects electric switch, it is characterised in that placed on the piston rod (1)
The groove height of sealing ring (3) is 1.5~2 times of sealing ring (3) diameter, depth of groove for sealing ring (3) diameter 25%~
40%, the decrement between sealing ring (3) and piston rod (1) and housing (4) is 15%~30%.
5. the air pressure according to claim 1 or 2 or 3 connects electric switch, it is characterised in that the housing (4) and cap (5) are
For nonmetallic electrically non-conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720054397.1U CN206363949U (en) | 2017-01-17 | 2017-01-17 | A kind of air pressure connects electric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720054397.1U CN206363949U (en) | 2017-01-17 | 2017-01-17 | A kind of air pressure connects electric switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206363949U true CN206363949U (en) | 2017-07-28 |
Family
ID=59379649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720054397.1U Active CN206363949U (en) | 2017-01-17 | 2017-01-17 | A kind of air pressure connects electric switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206363949U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710962A (en) * | 2017-01-17 | 2017-05-24 | 湖北三江航天红林探控有限公司 | Air pressure based power connection switch |
| CN108533869A (en) * | 2018-05-28 | 2018-09-14 | 王惠俊 | Pressure alarm intelligent compensation device |
| CN110044536A (en) * | 2019-05-17 | 2019-07-23 | 大唐半导体科技有限公司 | A kind of gas-detecting device |
-
2017
- 2017-01-17 CN CN201720054397.1U patent/CN206363949U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710962A (en) * | 2017-01-17 | 2017-05-24 | 湖北三江航天红林探控有限公司 | Air pressure based power connection switch |
| CN106710962B (en) * | 2017-01-17 | 2019-01-22 | 湖北三江航天红林探控有限公司 | A kind of air pressure connects electric switch |
| CN108533869A (en) * | 2018-05-28 | 2018-09-14 | 王惠俊 | Pressure alarm intelligent compensation device |
| CN110044536A (en) * | 2019-05-17 | 2019-07-23 | 大唐半导体科技有限公司 | A kind of gas-detecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106710962B (en) | A kind of air pressure connects electric switch | |
| CN206363949U (en) | A kind of air pressure connects electric switch | |
| CN204230132U (en) | Dumb-bell shape metal-back conductive nano liquid bi-directional synchronization switch | |
| CN205605521U (en) | Circuit breaker hydraulic pressure operating mechanism and pilot valve thereof | |
| CN205211622U (en) | Sealed terminal switch mechanism | |
| CN107146737B (en) | A kind of arc-chutes moving contact and arc-chutes and high-voltage circuitbreaker | |
| CN201615159U (en) | Piston type brake sub-chamber | |
| CN204606692U (en) | A kind of electric control exhaust formula pneumatic hammer device | |
| CN104235474B (en) | A kind of two-bit triplet magnetic valve | |
| CN208273427U (en) | A kind of waterproof rubber stopper | |
| CN208336044U (en) | industrial button | |
| CN207124133U (en) | Construction of switch and automobiles indicator lamp | |
| CN205863122U (en) | A kind of overload connects electric switch | |
| CN207068744U (en) | A kind of Multifunctional, air compresses switch | |
| CN207233998U (en) | Quick-action type plug-in connector | |
| CN204592313U (en) | A kind of stop valve improving the idle call that seal ring is arranged | |
| CN203868439U (en) | Dustproof and waterproof breather plug | |
| CN204332794U (en) | Conductive nano liquid dumb-bell shape metal-back two way alternate switch | |
| CN204740972U (en) | Sealed button mechanism and flashlight | |
| CN205452007U (en) | Ignition coil's waterproof sealing structure | |
| CN205723332U (en) | Electric heater anti-dumping switch | |
| CN209725064U (en) | A kind of automatic inflating device pressure balancing piston spring | |
| CN208186246U (en) | A kind of high voltage bearing pin cap | |
| CN203394934U (en) | Guide shaft for pneumatic actuator limit switch | |
| CN206907710U (en) | A kind of pressure switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |