CN209409751U - A kind of draft switch - Google Patents
A kind of draft switch Download PDFInfo
- Publication number
- CN209409751U CN209409751U CN201822135348.8U CN201822135348U CN209409751U CN 209409751 U CN209409751 U CN 209409751U CN 201822135348 U CN201822135348 U CN 201822135348U CN 209409751 U CN209409751 U CN 209409751U
- Authority
- CN
- China
- Prior art keywords
- shaft
- cabinet
- air duct
- handle
- changeover valve
- 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
- Air-Flow Control Members (AREA)
Abstract
The utility model discloses a kind of draft switch, belong to the three proofings engineering device technique field with armored vehicle, the draft switch is mainly made of cabinet, handle, shaft, torsional spring, changeover valve, pass through the external handle 90 of manual rotating box, the intracorporal changeover valve of case is with shaft rotation 90, and be connected and fixed the fixing seat outside handle and cabinet with pin, realize the conversion in air duct；Loosen pin, and after release handle, in cabinet under the active force of torsional spring, shaft can counter-rotating, drive changeover valve counter-rotating, and be connected and fixed another fixing seat outside handle and cabinet with pin, realize the conversion in another air duct；The pedestal of the draft switch is bolted mode and is fixed on horizontal deck, and the O shape rubber seal being mounted in shaft realizes the function of sealing, and structure is simple, strong operability, realizes the conversion function in two-way air duct.
Description
Technical field
The utility model belongs to the armored vehicle technical field with three proofings device, and the ventilation for being related to vehicle three proofings device turns
Changing device.
Background technique
Vehicle needs to carry out gas filtration ventilation and clean ventilation function, due to only one when carrying out three proofings device experiment
Malicious air duct is filtered, no cleaning air duct, when carrying out clean ventilation test, dust filtering filters cigarette (can not carry out air duct switching) directly by rubber
Pipeline air duct enters gas-particulate filter, greatly reduces the service life of gas-particulate filter.It is a kind of novel logical therefore, it is necessary to design
Wind conversion equipment.
Utility model content
A kind of draft switch of the utility model is able to solve vehicle when carrying out three proofings device experiment, in gas
When carrying out filtering poison, into filtering malicious air duct, when gas does not need filter poison or only needs the gas of dust filtering filter cigarette, be not required into
Enter and filter malicious air duct, using increased cleaning air duct, the service life for avoiding gas-particulate filter is reduced, while there is dust filtering to filter cigarette
Clean ventilation function.
The technical solution of the utility model is: a kind of draft switch characterized by comprising cabinet, conversion are lived
Door, handle, shaft, torsional spring；Cabinet is cube structure, and the front side of cabinet each side has a ventilation air duct mouth, is passed through
Lead to inside and outside cabinet, totally 3 ventilation air duct mouths；Changeover valve includes coupling part and door body part；On the tow sides of door body part
Paste rubber；The end of coupling part has square hole, and the cube structure of shaft and the square hole cooperate, for the connection with shaft；
The size of door body part is ventilation air duct mouth that can cover the leading flank of cabinet, left side；The handle is L-type knot
Structure, wherein one end band mounting hole, the other end are rectangular connecting rod；There is square hole in described shaft one end, can be rectangular with handle
Connecting rod connection；Shaft bar middle section is cube structure, and the lower end of cube structure has round boss, cube structure and conversion
The square hole of the coupling part of valve cooperates；The round boss of shaft is stuck in the coupling part lower end of changeover valve, to changeover valve
Axial limiting；Also there is limited block on shaft middle section, and have torsional spring mounting groove, connect with one end of torsional spring；Box house leading flank
With cylindrical body is distinguished above and below the angle that left side is connected, there is in cylindrical body the cylindrical hole for installing shaft, wherein
Periphery have torsional spring mounting hole, for installing the other end of torsional spring；The upper and lower ends of shaft are each passed through and cabinet
The cylindrical hole for shaft installation of inner upper and lower section.
Preferably, the upper and lower side periphery of shaft is all cylindrical.
Preferably, the coupling part of changeover valve is cylindrical body, and door body part is round sheet body.
It preferably, further include pin, the top of leading flank and left side outside cabinet is respectively provided with mounting base with holes, pin
The locking of handle can be carried out also cross the hole of mounting base and the mounting hole of handle one end.
It preferably, further include O shape rubber seal, shaft upper section periphery has annular groove, O shape rubber seal
Cover on the annular groove, and be located at in the cylindrical hole above box house, for realizing close between cylindrical hole and shaft
Envelope.
Preferably, there is mounting rack, mounting rack following four corners has mounting hole below cabinet.
Preferably, each ventilation air duct mouth of the front side, the left and right sides of cabinet be respectively clean wind passage mouth, filter malicious air duct,
Entrance.
Preferably, under the action of torsional spring, changeover valve is in covering cleaning wind passage mouth.
Preferably, cabinet right side ventilation air duct mouth connects booster fan outlet；Leading flank ventilation air duct mouth takes over strainer；It is left
Side leading wind wind passage mouth connects gas-particulate filter.
Under normal condition, the conversion of cleaning air duct is carried out, by can be manually rotated 90 degree of cabinet outdoor handle, handle drives shaft rotation
Turn, the limited block in shaft rotates torsional spring, it is in turn-knob state, changeover valve rotates with shaft, changeover valve is converted
To the malicious wind passage mouth of filter, and the fixing seat of handle and cabinet is fixed by pin, that is, filters malicious air duct and close, clean air duct and beat
It opens；When carrying out filtering malicious function, that is, the conversion for filtering malicious air duct is carried out, pin and handle are loosened, torsional spring return in cabinet drives shaft
On limited block, shaft rotates with, and changeover valve is driven to be rotated by 90 °, and changeover valve is transformed into cleaning wind passage mouth, and by hand
Another of handle and cabinet fixing seat are fixed, i.e. cleaning air duct is closed, and filter malicious air duct and open, realize the conversion function in air duct
Energy.
The technical effect of the utility model is:
By external 90 ° of handle of manual rotating box, the intracorporal changeover valve of case is rotated by 90 ° with shaft, and will with pin
Fixing seat outside handle and cabinet is connected and fixed, and realizes the conversion in air duct；Pin is loosened, and after release handle, is turned round in cabinet
Under the active force of spring, shaft can counter-rotating, drive changeover valve counter-rotating, and will be another outside handle and cabinet with pin
Fixing seat is connected and fixed, and realizes the conversion in another air duct；The pedestal of the draft switch is bolted mode and is fixed on
On horizontal deck, the O shape rubber seal being mounted in shaft realizes the function of sealing, and structure is simple, strong operability,
Realize the conversion function in two-way air duct.
1, cabinet, shaft, handle, changeover valve structure are simple, and torsional spring and O shape rubber seal are standard component, are easy to real
It applies, it is versatile.
2, it can be fixed, be easily installed with bolt.
3, shaft strong operability carries out 90 degree of rotations, can preferably realize locking, drives changeover valve rotation, real
The function of existing air duct conversion.
Detailed description of the invention
The cleaning air duct transition diagram of the draft switch of Fig. 1-1 the utility model；
The filter poison air duct transition diagram of the draft switch of Fig. 1-2 the utility model；
The cabinet exterior view of the draft switch of Fig. 1-3 the utility model；
The box house figure (removing cabinet right side) of the draft switch of Fig. 1-4 the utility model；
The cleaning air duct conversion box house schematic diagram of the draft switch of Fig. 2-1 the utility model (removes the cabinet right side
Side)；
The filter poison air duct conversion box house schematic diagram of the draft switch of Fig. 2-2 the utility model (removes the cabinet right side
Side)；
Box house schematic diagram (removes on the right side of cabinet in the air duct conversion of the draft switch of Fig. 2-3 the utility model
Face)
The switching mechanism assembly diagram of the draft switch of Fig. 3-1 the utility model；
The handle and rotating shaft assembly schematic diagram of the draft switch of Fig. 3-2 the utility model；
The handle schematic diagram of the draft switch of Fig. 3-3 the utility model；
The shaft schematic diagram of the draft switch of Fig. 3-4 the utility model；
The changeover valve schematic diagram of the draft switch of Fig. 3-5 the utility model
Wherein 1: cabinet；2: changeover valve；3: handle；4: shaft；5: torsional spring；6:O type sealing ring；7: pin；
Specific embodiment
It is detailed below in conjunction with being carried out for the conversion in attached drawing and specific implementation cleaning air duct and the malicious air duct of filter to the utility model
Thin description, but not as the restriction to the utility model.
A kind of novel ventilated conversion equipment, comprising: cabinet, handle, shaft, torsional spring, O shape rubber seal, changeover valve,
Pin.
Square body structure and mounting rack, following four corners have mounting hole, and structure is simple, and space installation is reasonable, before,
The left and right sides have 3 ventilation air duct mouths, before ventilation opening be cabinet outside cylindrical body ventilation opening, the left and right sides be cabinet outside
Cylindrical body ventilation opening, cabinet have 2 installation sheets (fixing seat) with holes outside, realize the latch functions of handle, box house
The cylindrical hole of shaft installation is respectively provided with above and below rear side (or front side) and left hand corner, wherein putting down on the cylindrical hole of lower section
Face has torsional spring mounting hole, cooperates with the limited block in shaft, realizes the function of torsional spring rotation only.
The handle is L-type structure, and wherein one end is mounting hole with holes, and the other end is rectangular connecting rod, and connection turns
Rotation function is realized in axis, common cooperation.
There are square hole in the shaft, shaft one end, with one end there is the handle of rectangular connecting rod to connect, are among shaft bar
Cube structure, and there is round boss, it is connected with the changeover valve of the internal cylindrical body with square hole, and limit changeover valve
Installation site has limited block in shaft, and has torsional spring mounting groove, connect with torsional spring, realizes changeover valve and converts in place
Function, the shaft other end are that the cylindrical hole below cylindrical body, with box house is attached, and the upper surface of the cylindrical hole of lower section has
Circular hole is connect with the other end of torsional spring, is cooperated with the limited block in shaft, is realized the limit function of torsional spring, shaft upper portion
Divide and have cylinder shape groove, O shape rubber seal is installed, with connecting above box house with cylindrical hole, realizes sealing
Function.
The changeover valve, cylindrical body and round sheet body structure paste rubber on round sheet body, guarantee the close of valve
Envelope, cylindrical body inside is square hole, ensure that its connection with shaft.
Device is mounted between supercharger and gas-particulate filter.It is that ventilation opening connects booster fan outlet on the right side of cabinet；Front side
Ventilation opening the dust filter device such as connects vehicle body space or takes over strainer and connects vehicle body space again；Left side ventilation opening, which connects, to be filtered absorption of
Device.
Draft switch cleans air duct figure and filters malicious air duct transition diagram respectively such as Fig. 1-1, shown in 1-2, working principle
Be: under normal condition, changeover valve 2 is in cleaning air duct position, and solution out of stock 7 unclamps the fixing seat of handle 3 and cabinet 1, turns
Limited block on axis 4 rotates clockwise 90 degree under the action of 1 inside torsional spring 5 of cabinet, and shaft 4 is driven to rotate, and pacifies inside cabinet 1
Changeover valve 2 in shaft 4 is rotated with shaft 4, is connect handle 3 with another fixing seat on cabinet 1 with pin 7, will
Handle 3 is fixed, at this point, changeover valve 2 rotates to air duct closed position, cleaning air duct is closed, i.e., left side is filtered malicious air duct and opened,
Realize the conversion for filtering malicious air duct；
When carrying out the conversion of cleaning air duct, pin 7 is loosened, the fixing seat of handle 3 and cabinet 1 is unclamped, manually rotation counterclockwise
Handle 3 is changed hands, shaft 4 rotates with, and 1 inside torsional spring 5 of cabinet twists, is mounted under the action of the limited block in shaft 4
Changeover valve 2 in shaft 4 is rotated with shaft 4, when handle 3 is rotated by 90 °, with pin 7 by the fixation on handle 3 and cabinet 1
Seat connection, handle 3 is fixed, at this point, changeover valve 2 rotates to air duct closed position, malicious air duct will be filtered and closed, i.e. front cleaning
Air duct is opened, and the conversion function in cleaning air duct is realized.
Certainly, the utility model can also have other a variety of examples, in the feelings without departing substantially from the spirit of the present invention and its essence
Under condition, those skilled in the art can make various corresponding changes and modifications according to the utility model, but these are corresponding
Change and modification all should belong to the protection scopes of the utility model the attached claims.
Claims (9)
1. a kind of draft switch characterized by comprising cabinet (1), handle (3), shaft (4), is turned round changeover valve (2)
Spring (5)；
Cabinet (1) is cube structure, and the front side of cabinet each side has a ventilation air duct mouth, is penetrated through inside and outside cabinet,
Totally 3 ventilation air duct mouths；
Changeover valve (2) includes coupling part and door body part；Rubber is pasted on the tow sides of door body part；The end of coupling part
Portion has square hole, and the cube structure of shaft and the square hole cooperate, for the connection with shaft；The size of door body part is that can cover
The leading flank of top box body, left side ventilation air duct mouth；
The handle (3) is L-type structure, wherein one end band mounting hole, and the other end is rectangular connecting rod；
There is square hole in described shaft (4) one end, can connect with the rectangular connecting rod of handle；
Shaft bar middle section is cube structure, and the lower end of cube structure has round boss, cube structure and changeover valve
The square hole of coupling part cooperates；The round boss of shaft is stuck in the coupling part lower end of changeover valve, axially limits changeover valve
Position；
Also there is limited block on shaft middle section, and have torsional spring mounting groove, connect with torsional spring (5) one end；
Box house leading flank with cylindrical body is distinguished above and below the angle that left side is connected, have for installing in cylindrical body
The cylindrical hole of shaft, periphery therein has torsional spring (5) mounting hole, for installing the other end of torsional spring (5)；
The upper and lower ends of shaft are each passed through and the cylindrical hole for shaft installation above and below box house.
2. a kind of draft switch according to claim 1, which is characterized in that the upper and lower side periphery of shaft is all cylinder
Shape.
3. a kind of draft switch according to claim 1, which is characterized in that the coupling part of changeover valve (2) is
Cylindrical body, door body part are round sheet body.
4. a kind of draft switch according to claim 1, which is characterized in that it further include pin (7), the front side outside cabinet
The top of face and left side is respectively provided with mounting base with holes, and pin can be also cross the hole of mounting base and the peace of handle one end
Hole is filled, the locking of handle is carried out.
5. a kind of draft switch according to claim 1, which is characterized in that it further include O shape rubber seal (6),
Shaft upper section periphery have annular groove, O shape rubber seal snare on the annular groove, and be located at on box house
In the cylindrical hole of side, for realizing the sealing between cylindrical hole and shaft.
6. a kind of draft switch according to claim 1, which is characterized in that have mounting rack, installation below cabinet
Frame following four corners has mounting hole.
7. a kind of draft switch according to claim 1, which is characterized in that the front side of cabinet, the left and right sides it is each
A ventilation air duct mouth is respectively to clean wind passage mouth, filter malicious air duct, entrance.
8. a kind of draft switch according to claim 7, which is characterized in that under the action of torsional spring (5), changeover valve
(2) in covering cleaning wind passage mouth.
9. a kind of draft switch according to claim 7, which is characterized in that cabinet right side ventilation air duct mouth connects increasing
Pressure fan outlet；Leading flank ventilation air duct mouth takes over strainer；Left side wind wind passage mouth connects gas-particulate filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822135348.8U CN209409751U (en) | 2018-12-19 | 2018-12-19 | A kind of draft switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822135348.8U CN209409751U (en) | 2018-12-19 | 2018-12-19 | A kind of draft switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209409751U true CN209409751U (en) | 2019-09-20 |
Family
ID=67938945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822135348.8U Active CN209409751U (en) | 2018-12-19 | 2018-12-19 | A kind of draft switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209409751U (en) |
-
2018
- 2018-12-19 CN CN201822135348.8U patent/CN209409751U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109714922A (en) | A kind of heat release hole has the chassis sheet metal part of self-cleaning function | |
| CN212316058U (en) | Oil-gas separation device for crude oil gathering and transportation | |
| CN110693386A (en) | Dust suction barrel with automatic dust cleaning function | |
| CN209409751U (en) | A kind of draft switch | |
| CN109703325A (en) | A kind of draft switch | |
| CN109802509A (en) | Motor for mining equipment | |
| CN112407226A (en) | Turnover water-inlet-preventing ventilating duct device | |
| CN210302796U (en) | Shell of waste gas processor | |
| CN208652716U (en) | Machine and air conditioner in air conditioning | |
| CN208564982U (en) | A kind of highly effective energy-conserving vertical vacuum pump | |
| CN201651504U (en) | Concentrated air suction closing device | |
| CN214138918U (en) | Turnover water-inlet-preventing ventilating duct device | |
| CN211551953U (en) | Be applied to preventing irritating wind device among domestic new trend equipment | |
| CN108554083A (en) | A kind of factory floor cleaner | |
| CN205101572U (en) | Closing device that admits air is concentrated in pulse | |
| CN208220477U (en) | For ship air holes with the self-locking airtight door gear of remote control | |
| CN208579455U (en) | A kind of fresh air purification device | |
| CN221666120U (en) | Range hood with protection structure | |
| CN204140241U (en) | Use for diesel engine air-strainer | |
| CN209378623U (en) | A kind of flue gas fine particle separator | |
| CN208642060U (en) | A kind of air filter with self-seal device | |
| CN214319549U (en) | Pull filter equipment of convenient change | |
| CN207778757U (en) | Air inlet filtering component and air conditioner | |
| CN208478960U (en) | A kind of dust protected power switch cabinet | |
| CN208417514U (en) | A kind of inner locking type front shroud locking bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |