CN206628416U - A kind of blast switch of vertical movement - Google Patents
A kind of blast switch of vertical movement Download PDFInfo
- Publication number
- CN206628416U CN206628416U CN201621112353.1U CN201621112353U CN206628416U CN 206628416 U CN206628416 U CN 206628416U CN 201621112353 U CN201621112353 U CN 201621112353U CN 206628416 U CN206628416 U CN 206628416U
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- left housing
- metal clips
- right shell
- fixed
- flexible sheet
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Abstract
The utility model discloses a kind of blast switch of vertical movement, including left housing and right shell；Flexible sheet is clamped between the left housing and right shell, flexible sheet will be divided into negative pressure cavity and malleation chamber in left housing and right shell body, negative pressure cavity is in right casing part, and malleation chamber is in left casing part；The left housing and right shell are equipped with blast connection；The metal clips of at least bipod is provided with the left housing, the left and right ends pin of metal clips is fixed on left housing inwall；The metal clips both ends have bent an arc lower concave part；The centre of the metal clips is connected with a connection piece, is connected among connector and flexible sheet；Magnet is fixed among the flexible sheet of the negative pressure Cavity surface；Hall sensor is fixed among described right shell；This product is simple in construction, practical, and magnetic force occupy central point, metal clips all the time will not shake and front and rear can only move vertically.
Description
Technical field
It the utility model is related to detection wind pressure device, and in particular to a kind of blast switch of vertical movement.
Background technology
Existing blast mainly has two kinds of structures, and one kind is the two sides connecting spring among flexible sheet, and spring pin is fixed
Among blast switch shell inwall, in use, because stretching often, the elasticity of spring can gradually subtract such a infrastructure product
Weak, because blast switch is mounted on machine/apparatus/wall-hung boiler, during work, machine/apparatus/wall-hung boiler can produce shake
It is dynamic, cause spring front, rear, left and right to fluctuate or dap dynamic (shake), cause detection and switch data unstable, machine acts not
It is stable；Another kind is single steel disc (single pin fixation steel disc), and one end of single steel disc is fixed on blast switch shell inwall, and the other end stretches out
It is connected among blast switch among flexible sheet, when blast switch works, the tail end of steel disc is moved forward and backward to be swing
Motion is (i.e.：End can be changed into fan shape moving), it is not vertically to move forward and backward, causes magnetic force center point to deviate, magnetic force is not concentrated, led
The sensor detection for causing to be provided among shell is inaccurate.
Utility model content
In order to be applicable new development need, the utility model offer is a kind of simple in construction, and practical, magnetic force occupy all the time
Central point, metal clips will not be shaken and can only the front and rear blast switch to move vertically.
The utility model solve technical scheme be：
A kind of blast switch of vertical movement, including left housing (1) and right shell (2)；Between the left housing (1) and right shell (2)
Flexible sheet (3) is clamped with, left housing (1) and right shell (2) are divided into negative pressure cavity (4) and malleation chamber (5) by flexible sheet (3) in vivo,
Negative pressure cavity (4) is in right shell (2) portion, and malleation chamber (5) is in left housing (1) portion；The left housing (1) and right shell (2) are equipped with airduct
Joint (6)；The metal clips (11) of at least bipod is provided with the left housing (1), the left and right ends pin of metal clips (11) is fixed
On left housing (1) inwall；Metal clips (11) both ends have bent an arc lower concave part (110)；The metal clips
(11) centre is connected with a connection piece (12), and connector (12) among flexible sheet (3) with being connected；In the negative pressure cavity (4)
A magnet (7) is fixed among the flexible sheet (3) in face；Hall sensor (8) is fixed among described right shell (2).
Further：Tripodal metal clips (11) is set in the left housing (1), three end pin of metal clips (11) are fixed on
On left housing (1) inwall, often the sheet of pin section is held to bend an arc lower concave part (110).
Further：Hall sensor (8) is fixed among outside described right shell (2).
The advantages of the utility model is：When blast switch switch, negative pressure chamber air is inhaled, the negative pressure of negative pressure cavity
Increase, metal clips central point, magnet are close to Hall sensor, the opening of arc lower concave part can because to lateral movement stretching and
Expansion, opening become big so that metal clips central point can be close to Hall sensor, reaches the hall sensing of setting magnetic force value
Device it is electrical contacts closed, so as to turn-on power, when negative pressure cavity pressure is reduced, metal clips is opened by the arc lower concave part of itself
Mouthful elastic contractile force and diminish, so as to be resetted with moving magnet toward placed in the middle, away from Hall sensor, when less than setting magnetic force value,
The electric contact of Hall sensor flicks, so as to cut off the electricity supply；All end pin of metal clips are integrally fixed in left housing, can not
Activity, when negative pressure cavity is by negative pressure, metal clips, can only be recessed by each arc into the close motion process of Hall sensor
The extension of portion's opening and central point is travelled forward, which forms linear motion, that is, moves vertically；This product is using three pin
Metal clips, which is fixedly connected on, to be fixed on left housing wall, using the stability of triangle stability principle, makes machine/apparatus/wall hanging
When furnaceman makees to produce vibrations, front, rear, left and right fluctuation or will not also dap dynamic (shake), magnetic force transmission accurately and stably, performance
It is excellent.
Brief description of the drawings
Fig. 1 is the sectional view of the utility model product blast switch；
Fig. 2 is the front view of the utility model resultant metal shell fragment；
Fig. 3 be the utility model product blast switch negative pressure cavity after by negative pressure metal clips to the close side of Hall sensor
Make the schematic diagram after the stretching expansion of arc lower concave part；
Fig. 4 is the top view of the bipod metal clips of the utility model product；
Fig. 5 is the top view of three pin metal clips of the utility model product.
Embodiment
A kind of blast switch of vertical movement, including left housing 1 and right shell 2；Bullet is clamped between the left housing 1 and right shell 2
Property diaphragm 3, flexible sheet 3 will be divided into negative pressure cavity 4 and malleation chamber 5 in left housing 1 and the body of right shell 2, negative pressure cavity 4 is in right 1, shell, just
Pressure chamber 5 is in left housing 2；The left housing 1 and right shell 2 are equipped with blast connection 6；The gold of at least bipod is provided with the left housing 1
Belong to shell fragment 11, the left and right ends pin of metal clips 11 is fixed on the inwall of left housing 1；The both ends of metal clips 11 have bent one
Arc lower concave part 110；The centre of the metal clips 11 is connected with a connection piece 12, and connector 12 among flexible sheet 3 with connecting
Connect；Magnet 7 is fixed among the flexible sheet 3 in the face of negative pressure cavity 4；Hall sensor is fixed among described right shell 2
8。
Tripodal metal clips 11 is set in the left housing 1, three end pin of metal clips 11 are fixed on the inwall of left housing 1,
Often the sheet of pin section is held to bend an arc lower concave part 110.
Hall sensor 8 is fixed among the described outside of right shell 2.
The course of work：
When air is inhaled in blast switch switch, negative pressure cavity 4, the negative pressure of negative pressure cavity 4 increases, in metal clips 11
Heart point, magnet 7 are close to Hall sensor 8, and the opening of arc lower concave part 110 can be expanded because being stretched to a lateral movement, be open
Become big so that the central point of metal clips 11 can be close to Hall sensor 8, reaches the Hall sensor 8 of setting magnetic force value
It is electrical contacts closed, so as to turn-on power, when the pressure of negative pressure cavity 4 is reduced, arc lower concave part 110 that metal clips 11 passes through itself
Opening elastic contractile force and diminish, so as to be resetted with moving magnet 7 toward placed in the middle, away from Hall sensor 8, when less than setting magnetic force value
When, the electric contact of Hall sensor 8 flicks, so as to cut off the electricity supply；All end pin of metal clips 11 are integrally fixed at left housing 1
On, can not be movable, when negative pressure cavity 4 is by negative pressure, metal clips 11 can only pass through into the close motion process of Hall sensor 8
The extension of each opening of arc lower concave part 110 and central point is travelled forward, which forms linear motion, that is, moves vertically；
This product is fixedly connected on using the metal clips 11 of three pin and is fixed on the inwall of left housing 1, utilizes the stabilization of triangle fixation principle
Property, when the work of machine/apparatus/wall-hung boiler is produced vibrations, front, rear, left and right fluctuation or it will not also dap dynamic (shake), magnetic force
Transmit accurately and stably.
Claims (3)
1. a kind of blast switch of vertical movement, including left housing (1) and right shell (2)；Pressed from both sides between the left housing (1) and right shell (2)
Equipped with flexible sheet (3), left housing (1) and right shell (2) are divided into negative pressure cavity (4) and malleation chamber (5) by flexible sheet (3) in vivo, are born
Pressure chamber (4) is in right shell (2) portion, and malleation chamber (5) is in left housing (1) portion；The left housing (1) and right shell (2) are equipped with airduct and connect
Head (6)；It is characterized in that：The metal clips (11) of at least bipod, the left and right two of metal clips (11) are provided with the left housing (1)
End pin is fixed on left housing (1) inwall；Metal clips (11) both ends have bent an arc lower concave part (110)；The gold
The centre of category shell fragment (11) is connected with a connection piece (12), and connector (12) among flexible sheet (3) with being connected；In the negative pressure
A magnet (7) is fixed among the flexible sheet (3) in chamber (4) face；Hall sensor (8) is fixed among described right shell (2).
A kind of 2. blast switch of vertical movement according to claim 1, it is characterised in that：It is provided with the left housing (1)
The metal clips (11) of three pin, three end pin of metal clips (11) are fixed on left housing (1) inwall, often hold the sheet of pin section equal
Bending has an arc lower concave part (110).
A kind of 3. blast switch of vertical movement according to claim 1, it is characterised in that：Outside described right shell (2)
Centre is fixed with Hall sensor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621112353.1U CN206628416U (en) | 2016-10-10 | 2016-10-10 | A kind of blast switch of vertical movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621112353.1U CN206628416U (en) | 2016-10-10 | 2016-10-10 | A kind of blast switch of vertical movement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206628416U true CN206628416U (en) | 2017-11-10 |
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ID=60213095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621112353.1U Active CN206628416U (en) | 2016-10-10 | 2016-10-10 | A kind of blast switch of vertical movement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206628416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298361A (en) * | 2016-10-10 | 2017-01-04 | 黄思亮 | A kind of blast switch of vertical movement |
-
2016
- 2016-10-10 CN CN201621112353.1U patent/CN206628416U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298361A (en) * | 2016-10-10 | 2017-01-04 | 黄思亮 | A kind of blast switch of vertical movement |
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