CN208331336U - A kind of gas switching device - Google Patents
A kind of gas switching device Download PDFInfo
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- CN208331336U CN208331336U CN201820896198.XU CN201820896198U CN208331336U CN 208331336 U CN208331336 U CN 208331336U CN 201820896198 U CN201820896198 U CN 201820896198U CN 208331336 U CN208331336 U CN 208331336U
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- turntable
- gas
- upper housing
- chamber
- air inlet
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Abstract
The utility model discloses a kind of gas switching devices, including upper housing, lower case and turntable, upper housing is located in lower case, lower case is equipped with multiple substantially closed chambers, an air inlet and a venthole are equipped on each chamber, turntable is set between upper-lower casing, it can be rotated by driving, and turntable and lower case sealing cooperate, turntable is equipped with turntable air inlet and turntable outlet passageway, turntable air inlet is matched with the air inlet on chamber, turntable outlet passageway is matched with the venthole in same chamber, blower is equipped in upper housing, turntable outlet passageway gas outlet is connected to the air inlet of upper housing inner blower, the indoor gas of a corresponding air chamber to be extracted out by blower, it can be switched when turntable rotation and different chamber be connected to switch gas with various.
Description
Technical field
The utility model relates to gas control elements technical field, in particular to a kind of gas switching valve.
Background technique
Gas switching valve is generally widely used in various gas pipings controls, common for people and familiar.It is existing
There is the switching mode between technical gas mainly to pass through solenoid valve, one, a channel solenoid valve adapts to the high field of switching frequency
Close, and in multi-line connection, it is necessary to multiple gas control valves come realize and meanwhile control purpose, it is not only at high cost, and again
Amount is big, and volume is also larger, also brings inconvenience to operation, is unable to satisfy modularization demand.
Utility model content
To overcome the above disadvantages, it is simple to provide a kind of structure for the utility model, can freely adjust size as needed
The gas switching device of size.
The utility model uses following technical scheme:
A kind of gas switching device, including upper housing, lower case and turntable, upper housing are located in lower case, in lower case
Equipped with multiple substantially closed chambers, an air inlet and a venthole are equipped on each chamber, turntable is set to lower case
Between upper housing, and turntable and lower case sealing cooperation, turntable is equipped with turntable air inlet and turntable outlet passageway, turntable go out
Gas channel have channel gas outlet, the turntable can by driving rotate and enable turntable air inlet respectively with the same chamber
Air inlet matches, and turntable outlet passageway is matched with the same chamber venthole respectively, and blower is equipped in the upper housing and is pacified
It behave affectedly, blower is located at that assembling is intracavitary, and the air inlet of the turntable outlet passageway blower intracavitary with upper housing assembling is connected to,
The indoor gas of a corresponding chamber to be extracted out by blower.
Further, assembling chamber has dismountable upper cover, and upper lid is equipped with multiple assembling chambers gas outlet, wind
Machine air outlet is directed at assembling chamber gas outlet.
Further, upper housing is equipped with multiple upper housing air inlets and air communication.
Further, turntable outlet passageway is set to turntable bottom surface, radially recessed to one section opened up at disk axes
Slot, the channel gas outlet, which is set at disk axes and extends upwardly to air inlet, forms a cylindrical hole.
Further, lower case is equipped with annular convex ring, and annular convex ring is matched with turntable so that turntable and lower case are close
Envelope cooperation.
Further, compressed spring is equipped between upper casing intracorporal assembling bottom of chamber portion and turntable
Further, motor, the rotation of motor driven turntable are equipped in lower case.
Beneficial effect by adopting the above technical scheme is:
1, the utility model structure is simple, and design rationally, using the air valve of turntable form can make lower casing by rotating switching
The gas of different odor can pass through the outlet passageway on turntable and is evacuated in air by blower in each chamber of body, i.e., on turntable
As long as the switching of multiple gases can be realized in an outlet passageway.
2, in the technical solution of optimization, lower case is equipped with annular convex ring, keeps sealing structure more preferable；Upper housing with turn
It is equipped with compressed spring between disk, keeps seismic resistance strong.
3, the utility model can freely adjust size as needed, practical.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model embodiment；
Fig. 2 is the utility model embodiment gas circulation schematic diagram；
Fig. 3 is the utility model embodiment turntable schematic bottom view；
Fig. 4 is the utility model embodiment turntable top schematic diagram；
Fig. 5 is that the utility model embodiment upper housing is intended to；
Fig. 6 is the utility model embodiment upper housing upper cover schematic diagram.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments.Obviously, described embodiment is only
It is the embodiment of the utility model a part, instead of all the embodiments.Based on the embodiments of the present invention: this field
Those of ordinary skill's other embodiments obtained without making creative work, belong to the utility model
Protection scope.
As shown in Figs. 1-2: the utility model provides a kind of gas switching device, including upper housing 1, lower case 2 and turntable
3, the utility model does not specially require the shape of upper housing 1 and lower case 2, can be it is rectangular be also possible to cylinder, this
Upper housing 1 and lower case 2 are the rectangular parallelepiped structure worked in coordination in embodiment.Upper housing 1 is mounted in lower case 2, passes through spiral shell
Nail connection, lower case have dismountable bottom plate, are equipped with multiple substantially closed gas chamber 21, the present embodiment in lower case 2
In, it is equipped with 4 gas chamber 21 in lower case 2, is equipped with an air inlet 211 and a venthole in each gas chamber 21
212,2 top surface of lower case is equipped with an annular convex ring 22, and turntable 3 is set in the annular convex ring 22 in lower case 2, and and convex annular
Ring 22 matches, and seals turntable 3 and lower case 1 and cooperates, and preferably locating turntable 3.Turntable 3 passes through a connection piece 7 and electricity
Machine 4 connects, and is driven and is rotated by motor 4, and turntable 3 is equipped with turntable air inlet 31 and turntable outlet passageway 32, when turntable 3 rotates extremely
When predeterminated position, turntable air inlet 31 can be matched with the air inlet 211 of a gas chamber 21, turntable outlet passageway 32 can with it is same
The venthole 212 of one gas chamber 21 matches, and turntable outlet passageway has a channel gas outlet 33, is located at the axle center of turntable 3
Place simultaneously extends upwardly to the cylindrical hole 322 at air inlet 12, and cylindrical hole 322 is connected to air inlet 12, will
Gas in corresponding chamber 21 is extracted out by blower 5, can be switched when turntable 3 rotates and different chamber 21 is connected to switch not
Same gas.
Such as Fig. 3, shown in Fig. 4, the present embodiment turntable outlet passageway 32 is that open up one section of 3 bottom surface radial direction of turntable is recessed
Slot 321, turntable channel gas outlet is that the cylindrical hole 322 of air inlet 12 is extended upwardly at disk axes, before groove 321
Portion and chamber venthole 212 cooperate, and 321 tail portion of groove is located at the axle center of turntable 3 and is connected to cylindrical hole 322, groove 321
Trailer card sets connector 7, and 7 top surface of connector is not contacted with groove 321, and there are gaps, can make turntable outlet passageway 32 in this way
It is unimpeded, and 32 better tightness of turntable outlet passageway can be made.In the present embodiment, 3 thinner thickness of turntable, therefore on turntable 3 with
The opposite radial direction of groove 321 is additionally provided with reinforcing rib 323 identical with 321 shape of groove to increase at turntable groove 321
Intensity, the stability for increasing turntable 3 if 3 thickness of turntable is the multiple of 321 depth of groove, can not have in other embodiments
Add reinforcing rib 323.
As shown in figure 5, upper housing 1 is equipped with assembling chamber 11, blower 5 is located in assembling chamber 11, assembling chamber
11 bottoms open up an air inlet 12, and the cylindrical hole 322 of turntable outlet passageway 32 is rotatably connected to assembling
In chamber 11, and it is connected to the sealing of air inlet 12.Upper housing 1 is equipped with two rows of upper housing air inlets 13 and air communication.
As shown in fig. 6, upper housing 1 has dismountable upper cover 14 in the present embodiment, upper cover 14 is equipped with row's upper housing
Gas outlet 141,5 air outlet of blower are directed at upper housing gas outlet 141.
In the present embodiment, 11 bottom of assembling chamber in upper housing 1 and between turntable 3 be equipped with compressed spring 6, compress bullet
Spring 6 is set on the cylindrical hole of 3 outlet passageway 32 of turntable, so that turntable 3 preferably positions.The utility model can also be in wind
Multiple u-shaped gaskets are arranged between 11 bottom of machine installation cavity and turntable preferably to position turntable 3 to realize.
In the present embodiment, motor 4 is mounted in the motor chamber 23 at the middle part of lower case 2, and the output shaft of motor 4 passes through one
Connector 7 is connect with turntable 3.7 one end of connector and motor 4 export axis connection, and one end is arranged in turntable outlet passageway 32, both
Turntable 3 can be made closely to connect with motor 4, and 32 better tightness of turntable outlet passageway can be made.
The working principle of the utility model is: motor 4 drives turntable 3 to rotate, make air inlet 31 on turntable 3 and chamber into
Stomata 211 is connected to, and the outlet passageway 32 on turntable is connected to the venthole 212 of the same chamber 21.Air is through upper housing air inlet
Mouth 13 enters in device, is entered in chamber 21 by turntable air inlet 31 and chamber air inlet 211, mixed with the gas in chamber 21
It closing and forms the gas with smell, blower 5 operates, and mixed gas arrives air inlet 12 through the outlet passageway 32 on turntable 3,
It is evacuated to upper housing gas outlet 141 by blower 4 to distribute into air, when turntable 3 rotates, changeable conducting different chamber 21 is with reality
Now switch the function of gas with various.
The utility model can also use second of embodiment, the knot of second embodiment and the first embodiment
Structure is essentially identical, the difference is that only: connector 7 is a gear, and turntable 3 has outside feature described in the first embodiment,
The tooth that can be engaged with the gear, turntable 3 and gear internal messing are equipped at its axle center, gear and motor 4 export axis connection.Motor 4
Band moving gear rotates, and gear band turn disk 3 rotates and then switched conductive gas with various chamber 21 is to realize switching gas with various
Function.
The utility model can also use the third embodiment, the knot of the third embodiment and the first embodiment
Structure is essentially identical, the difference is that only: turntable outlet passageway 32 is only an exhaust through hole 33 on turntable 3, when 3 quilt of turntable
When driving turns to turntable air inlet 31 and matches with a chamber air inlet 211, turntable exhaust through hole 33 can be with the same gas
The venthole 212 of chamber matches.A conduit is connected at turntable exhaust through hole 33, the conduit other end is connected by single-revolution connector
At air inlet 12 on to upper housing 1, the conducting and switching of gas are realized.
The utility model can also use the 4th kind of embodiment, the knot of the 4th kind of embodiment and the first embodiment
Structure is essentially identical, the difference is that only: the driving method of turntable can be manual actuation, such as when upper-lower casing is cylinder
When shape, upper housing 1 and 2 inner surface of lower case are equipped with the screw thread realization matched and are rotatably attached, by rotating lower case 2,
Keep air inlet 211 in lower case 2 in gas chamber 21 and the turntable air inlet 31 on turntable 3 opposite, venthole 212 with it is same
Turntable outlet passageway 32 in gas chamber 21 is opposite, gas passage conducting, realizes the gas switching of each chamber.
Above-described is only preferred embodiments of the present invention, it is noted that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (8)
1. a kind of gas switching device, it is characterised in that: including upper housing (1), lower case (2) and turntable (3), upper housing (1)
It is located on lower case (2), is equipped with multiple substantially closed gas chamber (21) in lower case (2), on each gas chamber (21)
Be equipped with an air inlet (211) and a venthole (212), the turntable (3) be set to upper housing (1) and lower case (2) it
Between, and turntable (3) and lower case (2) sealing cooperate, turntable (3) is equipped with turntable air inlet (31) and turntable outlet passageway
(32), turntable outlet passageway has a channel gas outlet (33), and the turntable (3) can be rotated by driving, and make turntable air inlet
Hole (31) can be matched with same gas chamber's air inlet (211) respectively, turntable outlet passageway (32) respectively with the same gas
Fluid chamber venthole (212) matches, and blower (5), turntable outlet passageway (32) and upper housing are equipped in the upper housing (1)
(1) the air inlet connection of inner blower (5) extracts the gas in a corresponding gas chamber (21) by blower (5) out.
2. gas switching device according to claim 1, it is characterised in that: the upper housing (1) is equipped with assembling chamber
(11), blower (5) is located in assembling chamber (11), and assembling chamber (11) bottom is equipped with an air inlet (12).
3. gas switching device according to claim 2, it is characterised in that: the upper housing has dismountable upper cover
(14), the upper cover (14) is equipped with upper housing gas outlet (141), and the air outlet of blower (5) is directed at upper housing gas outlet
(141)。
4. gas switching device according to claim 1, it is characterised in that: the turntable outlet passageway (32) be set on
Radially to one section of groove (321) at turntable (3) axle center, the channel gas outlet (33) is turntable for turntable (3) bottom surface
(3) cylindrical hole (322) of air inlet (12) is extended upwardly at axle center.
5. gas switching device according to claim 1 to 4, it is characterised in that: the upper housing (1) is equipped with
Multiple upper housing air inlets (13).
6. gas switching device according to claim 5, it is characterised in that: the lower case (2) is equipped with annular convex ring
(22), annular convex ring (22) is matched with turntable (3).
7. gas switching device according to claim 6, it is characterised in that: the assembling chamber in the upper housing (1)
(11) compressed spring (6) are equipped between bottom and turntable (3).
8. gas switching device according to claim 1, it is characterised in that: motor (4) are equipped in the lower case (2),
Motor (4) drives turntable (3) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820896198.XU CN208331336U (en) | 2018-06-11 | 2018-06-11 | A kind of gas switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820896198.XU CN208331336U (en) | 2018-06-11 | 2018-06-11 | A kind of gas switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208331336U true CN208331336U (en) | 2019-01-04 |
Family
ID=64773822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820896198.XU Active CN208331336U (en) | 2018-06-11 | 2018-06-11 | A kind of gas switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208331336U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841164A (en) * | 2019-11-29 | 2020-02-28 | 河南科技大学第一附属医院 | Anesthetic vaporizer adaptive to vaporization temperature change |
| CN111938423A (en) * | 2020-08-06 | 2020-11-17 | 北京中威宏酒店设备有限公司 | Large-scale gas steam ager |
-
2018
- 2018-06-11 CN CN201820896198.XU patent/CN208331336U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841164A (en) * | 2019-11-29 | 2020-02-28 | 河南科技大学第一附属医院 | Anesthetic vaporizer adaptive to vaporization temperature change |
| CN111938423A (en) * | 2020-08-06 | 2020-11-17 | 北京中威宏酒店设备有限公司 | Large-scale gas steam ager |
| CN111938423B (en) * | 2020-08-06 | 2022-05-13 | 北京中威宏酒店设备有限公司 | Large-scale gas steam ager |
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