CN208565094U - A kind of positive and negative air-pressure conversion equipment - Google Patents
A kind of positive and negative air-pressure conversion equipment Download PDFInfo
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- CN208565094U CN208565094U CN201821057829.5U CN201821057829U CN208565094U CN 208565094 U CN208565094 U CN 208565094U CN 201821057829 U CN201821057829 U CN 201821057829U CN 208565094 U CN208565094 U CN 208565094U
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- air
- pressure chamber
- pressure
- fixed
- telescopic rod
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Abstract
The utility model discloses a kind of positive and negative air-pressure conversion equipments, including bracket, connecting tube, first air-pressure chamber and the second air-pressure chamber, the two sides of the bracket are respectively by being welded with the first air-pressure chamber and the second air-pressure chamber, the side of first air-pressure chamber is fixed by welding in one end of connecting rod, the other end of connecting rod is fixed by welding in the side of the second air-pressure chamber, the upper end of first air-pressure chamber is fixed by welding in one end of connecting tube, the other end of connecting tube is fixed by welding in the upper end of the second air-pressure chamber, the lower end of second air-pressure chamber is fixed by welding in one end of connecting tube, the other end of connecting tube is fixed by welding in the lower end of the first air-pressure chamber, by the way that piston plate is arranged, first telescopic rod, second telescopic rod, the structures such as the first air valve and the second air valve, realize the function of conversion positive and negative air-pressure, utilize the work of piston plate It is dynamic, it drives positive and negative air-pressure flowing to exchange space, improves the efficiency of conversion, and simple and easy.
Description
Technical field
The utility model relates to air pressure switch technology field more particularly to a kind of positive and negative air-pressure conversion equipments.
Background technique
Air pressure refers to the hydrostatic pressure that gas applies certain point, and gas pressure intensity Producing reason is bulk gas point
Son generates lasting, the random shock of chamber wall.There is positive air pressure and negative pressure in the Nature, and positive and negative air pressure
Between physical transformation the problem of being also present urgent need to resolve, common conversion method inefficiency and not easy to operate.
Summary of the invention
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of positive and negative air-pressure proposed turns
Changing device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of positive and negative air-pressure conversion equipment, including bracket, connecting tube, the first air-pressure chamber and the second air-pressure chamber, the bracket
Two sides respectively by being welded with the first air-pressure chamber and the second air-pressure chamber, the side of the first air-pressure chamber is fixed by welding in
One end of connecting rod, the other end of connecting rod are fixed by welding in the side of the second air-pressure chamber, and the upper end of the first air-pressure chamber is logical
The one end for being weldingly fixed on connecting tube is crossed, the other end of connecting tube is fixed by welding in the upper end of the second air-pressure chamber, the second gas
The lower end of pressure chamber is fixed by welding in one end of connecting tube, and the other end of connecting tube is fixed by welding in the first air-pressure chamber
Lower end.
Preferably, the centre of the connecting tube is by being fixedly connected with the first air valve, the setting of the upper surface of first air valve to folder
There is valve wheel.
Preferably, by the way that the first snorkel is nested and fixed, first is logical for the side of connecting tube below first air-pressure chamber
The upper surface of tracheae is by being connected and installed with the second air valve to folder.
Preferably, by the way that the second snorkel is nested and fixed, second is logical for the side of connecting tube above second air-pressure chamber
The upper surface of tracheae is by being connected and installed with the second air valve to folder.
Preferably, the inside of first air-pressure chamber and the second air-pressure chamber is slidably fitted with piston plate, and the two of piston plate
End is contacted with the equal closed seamless of the inner wall of the first air-pressure chamber or the second air-pressure chamber, and the two sides of piston plate pass through welding admittedly respectively
Surely there are the first telescopic rod and the second telescopic rod, the pedestal of the first telescopic rod and the second telescopic rod is fixed by welding in the first gas
The inner wall side of pressure chamber or the second air-pressure chamber.
Preferably, the part that the outer wall of first air-pressure chamber is contacted with the first telescopic rod and the second telescopic rod passes through
It is welded with fixed block, and the part that the outer wall of the second air-pressure chamber is contacted with the first telescopic rod and the second telescopic rod passes through
It is welded with fixed block.
The beneficial effects of the utility model are: passing through setting piston plate, the first telescopic rod, the second telescopic rod, the first air valve
With the structures such as the second air valve, the function of conversion positive and negative air-pressure is realized, using the activity of piston plate, drives positive and negative air-pressure flowing mutual
Space is changed, improves the efficiency of conversion, and simple and easy.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of positive and negative air-pressure conversion equipment structural schematic diagram；
Fig. 2 be the utility model proposes a kind of positive and negative air-pressure conversion equipment the first air-pressure chamber schematic diagram of internal structure.
In figure: 1 bracket, 2 connecting rods, 3 connecting tubes, 4 first snorkels, 5 second snorkels, 6 first air valves, 7 second gas
Valve, 8 first air-pressure chambers, 9 second air-pressure chambers, 10 piston plates, 11 first telescopic rods, 12 second telescopic rods, 13 fixed blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of positive and negative air-pressure conversion equipment, including bracket 1, connecting tube 3, the first air-pressure chamber 8 and the second gas
Pressure chamber 9, the two sides of bracket 1 are respectively by being welded with the first air-pressure chamber 8 and the second air-pressure chamber 9, the side of the first air-pressure chamber 8
It is fixed by welding in one end of connecting rod 2, the other end of connecting rod 2 is fixed by welding in the side of the second air-pressure chamber 9, the
The upper end of one air-pressure chamber 8 is fixed by welding in one end of connecting tube 3, and connecting tube 3 is in order to facilitate two indoor gas of air pressure
Pressure circulates, and the other end of connecting tube 3 is fixed by welding in the upper end of the second air-pressure chamber 9, and the lower end of the second air-pressure chamber 9 is logical
The one end for being weldingly fixed on connecting tube 3 is crossed, the other end of connecting tube 3 is fixed by welding in the lower end of the first air-pressure chamber 8, connection
By being fixedly connected with the first air valve 6 to folder, the first air valve 6 is the first air valve in order to which control pressure can circulate for the centre of pipe 3
The upper surface of 6 are provided with valve wheel, and the side of 8 lower section connecting tube 3 of the first air-pressure chamber is by being nested and fixed the first snorkel 4, and first
Snorkel 4 be in order to be passed through positive air pressure or negative pressure, the upper surface of first snorkel 4 by being connected and installed with the second air valve 7 to folder,
Second air valve 7 is to control whether to be passed through air pressure, and the side of 9 top connecting tube 3 of the second air-pressure chamber is by being nested and fixed
Two snorkels 5, the second snorkel 5 are to be passed through positive air pressure or negative pressure, and the upper surface of second snorkel 5 passes through to folder connection peace
Equipped with the second air valve 7, the inside of the first air-pressure chamber 8 and the second air-pressure chamber 9 is slidably fitted with piston plate 10, piston plate 10 be for
The indoor air pressure of promotion air pressure flows into another air-pressure chamber, the both ends of piston plate 10 and the first air-pressure chamber 8 or the second air pressure
The equal closed seamless contact of the inner wall of room 9, and the two sides of piston plate 10 are respectively by being welded with the first telescopic rod 11 and second
Telescopic rod 12, the first telescopic rod 11 and the second telescopic rod 12 are the sliding in order to drive piston plate 10, the first telescopic rod 11 and
The pedestal of two telescopic rods 12 is fixed by welding in the inner wall side of the first air-pressure chamber 8 or the second air-pressure chamber 9, the first air pressure
The part that the outer wall of room 8 is contacted with the first telescopic rod 11 and the second telescopic rod 12 by being welded with fixed block 13, Gu
Determining block 13 is to fix the first telescopic rod 11 or the second telescopic rod 12, and the outer wall of the second air-pressure chamber 9 and the first telescopic rod 11
And second telescopic rod 12 contact part by being welded with fixed block 13.
(when initial, 8 inner piston plate 10 of the first air-pressure chamber is located at bottom end, 9 inner piston plate 10 of the second air-pressure chamber in the present embodiment
Positioned at top), it first confirms that whether the first air valve 6 closes, is successively opened after closing on the first snorkel 4 and the second snorkel 5
The second air valve 7, being passed through for the first time to the second snorkel 5 is positive air pressure, and positive air pressure enters the connection of the top of the second air-pressure chamber 9
When in pipe 3, press the second telescopic rod 12 of the second air-pressure chamber 9 switch (one end of the second telescopic rod 12 be equipped with switch control its
Elongate or shorten), so that it is controlled the elongation of the second telescopic rod 12, while pressing switch (the first telescopic rod 11 of the first telescopic rod 11
One end be equipped with switch control it elongated or shortened), so that its is controlled first telescopic rod 11 and shorten, so that the first telescopic rod 11 and the
Two telescopic rods 12 drive 10 slide downward of piston plate simultaneously, and when sliding can generate gap with the second air-pressure chamber 9, and the healthy tendency being passed through
Pressure has filled up the space in gap just, and as piston plate 10 continues to glide, positive air pressure is filled with entire second air-pressure chamber 9, then
The second air valve 7 on the second snorkel 5 is closed, likewise, being passed through for the first time to the first snorkel 4 is negative pressure, negative pressure
When in into the connecting tube 3 of the lower section of the first air-pressure chamber 8, pressing the switch of the second telescopic rod 12 of the first air-pressure chamber 8, (second is flexible
One end of bar 12 is equipped with switch control, and it is elongated or shortened), so that it is controlled the second telescopic rod 12 and shorten, while it is flexible to press first
The switch (one end of the first telescopic rod 11 is equipped with switch control, and it is elongated or shortened) of bar 11, makes it control the first telescopic rod 11 and stretches
Long, so that the first telescopic rod 11 and the second telescopic rod 12 drive 10 upward sliding of piston plate simultaneously, when sliding, can be with the first air pressure
Room 8 generates gap, and the negative pressure being passed through has filled up the space in gap just, and as piston plate 10 continues upper cunning, negative pressure fills
Entire first air-pressure chamber 8 is expired, then the second air valve 7 being then shut off on the second snorkel 5 opens first in connecting tube 3
Air valve 6, the first telescopic rod 11 switch for pressing the first air-pressure chamber 8 make its shortening, and pressing the second telescopic rod 12 switch stretches it
It is long, to drive piston plate 10 to be pressed downward negative pressure in the first air-pressure chamber 8, negative pressure is made to enter connecting tube 3 and lead to second
The lower section entrance of air-pressure chamber 9, while the first telescopic rod 11 switch for pressing the second air-pressure chamber 9 makes its elongation, and it is flexible to press second
The switch of bar 12 makes its shortening, so that piston plate 10 be driven above to push away positive air pressure in the second air-pressure chamber 9, positive air pressure is made to enter connecting tube
3 and lead to the upper inlet of the first air-pressure chamber 8,8 inner piston plate 10 of the first air-pressure chamber moves down, above space by the second air pressure
Positive air pressure is filled in room 9, and 9 inner piston plate 10 of the second air-pressure chamber moves up, and space below is by negative pressure in the first air-pressure chamber 8
Filling closes the first air valve 6 and the first gas of top when the piston plate 10 in the first air-pressure chamber 8, which is driven, moves to bottom end
The switch of the first telescopic rod 11 and the second telescopic rod 12 in pressure chamber 8, moves to when the piston plate 10 in the second air-pressure chamber 9 is driven
When top, the first telescopic rod 11 and the second telescopic rod 12 closed on the first air valve 6 and the second air-pressure chamber 9 of lower section are opened
It closes, to realize the conversion of positive and negative air-pressure.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of positive and negative air-pressure conversion equipment, including bracket (1), connecting tube (3), the first air-pressure chamber (8) and the second air-pressure chamber
(9), which is characterized in that the two sides of the bracket (1) are respectively by being welded with the first air-pressure chamber (8) and the second air-pressure chamber
(9), the side of the first air-pressure chamber (8) is fixed by welding in one end of connecting rod (2), and the other end of connecting rod (2) passes through weldering
The side for being fixed on the second air-pressure chamber (9) is connect, the upper end of the first air-pressure chamber (8) is fixed by welding in one end of connecting tube (3),
The other end of connecting tube (3) is fixed by welding in the upper end of the second air-pressure chamber (9), and the lower end of the second air-pressure chamber (9) passes through weldering
The one end for being fixed on connecting tube (3) is connect, the other end of connecting tube (3) is fixed by welding in the lower end of the first air-pressure chamber (8).
2. a kind of positive and negative air-pressure conversion equipment according to claim 1, which is characterized in that the centre of the connecting tube (3)
By being fixedly connected with the first air valve (6) to folder, the upper surface of first air valve (6) is provided with valve wheel.
3. a kind of positive and negative air-pressure conversion equipment according to claim 1, which is characterized in that under first air-pressure chamber (8)
The side of square connecting tube (3) is by being nested and fixed the first snorkel (4), and the upper surface of first snorkel (4) is by connecting folder
Second air valve (7) are installed.
4. a kind of positive and negative air-pressure conversion equipment according to claim 1, which is characterized in that on second air-pressure chamber (9)
The side of square connecting tube (3) is by being nested and fixed the second snorkel (5), and the upper surface of second snorkel (5) is by connecting folder
Second air valve (7) are installed.
5. a kind of positive and negative air-pressure conversion equipment according to claim 1, which is characterized in that first air-pressure chamber (8) and
The inside of second air-pressure chamber (9) is slidably fitted with piston plate (10), the both ends of piston plate (10) and the first air-pressure chamber (8) or
The equal closed seamless contact of the inner wall of second air-pressure chamber (9), and the two sides of piston plate (10) are stretched by being welded with first respectively
The pedestal of contracting bar (11) and the second telescopic rod (12), the first telescopic rod (11) and the second telescopic rod (12) is fixed by welding in
The inner wall side of first air-pressure chamber (8) or the second air-pressure chamber (9).
6. a kind of positive and negative air-pressure conversion equipment according to claim 1, which is characterized in that first air-pressure chamber (8)
The part that outer wall is contacted with the first telescopic rod (11) and the second telescopic rod (12) by being welded with fixed block (13), and
The part that the outer wall of second air-pressure chamber (9) is contacted with the first telescopic rod (11) and the second telescopic rod (12), which passes through, to be welded and fixed
There are fixed block (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821057829.5U CN208565094U (en) | 2018-07-05 | 2018-07-05 | A kind of positive and negative air-pressure conversion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821057829.5U CN208565094U (en) | 2018-07-05 | 2018-07-05 | A kind of positive and negative air-pressure conversion equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565094U true CN208565094U (en) | 2019-03-01 |
Family
ID=65490353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821057829.5U Expired - Fee Related CN208565094U (en) | 2018-07-05 | 2018-07-05 | A kind of positive and negative air-pressure conversion equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625793A (en) * | 2021-08-06 | 2021-11-09 | 成都博奥晶芯生物科技有限公司 | Full-automatic air pressure control system and method based on PID control |
-
2018
- 2018-07-05 CN CN201821057829.5U patent/CN208565094U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625793A (en) * | 2021-08-06 | 2021-11-09 | 成都博奥晶芯生物科技有限公司 | Full-automatic air pressure control system and method based on PID control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20190705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |