CN201434789Y - Quantitative sampler for collecting dust sample in central air conditioning and ventilation pipe - Google Patents
Quantitative sampler for collecting dust sample in central air conditioning and ventilation pipe Download PDFInfo
- Publication number
- CN201434789Y CN201434789Y CN2009200645701U CN200920064570U CN201434789Y CN 201434789 Y CN201434789 Y CN 201434789Y CN 2009200645701 U CN2009200645701 U CN 2009200645701U CN 200920064570 U CN200920064570 U CN 200920064570U CN 201434789 Y CN201434789 Y CN 201434789Y
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- sampling box
- fuselage
- sampling
- dust
- box
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Abstract
The utility model discloses a quantitative sampler for collecting dust samples in a central air conditioning and ventilation pipe. In the technical scheme, the inside of a machine body is provided with a sampling box with an opening on the bottom thereof, the top of the box is connected with the bottom end of the lifting arm of a lifting mechanism, one end of the cavity of the sampling box is in clamping connection with a dust collecting hopper which can be removed upwards, one side of the dust collecting hopper is provided with an opening and sealed by a movable scraping plate, the back sideof the scraping plate is provided with a scraper which is arranged in parallel to the movable scraping plate, the scraping plate and the scraper are provided with a corresponding a suction magnetic plate, the two sides of the scraping plate are respectively provided with a connecting lug which is fixedly arranged on the front end of a corresponding lead screw, two lead screws with the axial linesthereof parallel to the plane with the opening on the bottom of the sampling box are arranged in parallel and are respectively arranged in corresponding screw sleeves which are fixedly arranged on thesampling box, and one lead screw is connected with the main shaft gear of a first motor through a transmission gear. The utility model has the advantages of good sampling effect, stable equipment performance, convenient operation, high efficiency, simple and compact structure, light weight, high sampling accuracy and easy carrying.
Description
Technical field
The utility model relates to a kind of quantitative sampling device that is used to gather sample of dust in the central air conditioner ventilating duct.
Background technology
At present, central air conditioning wind pipe is carried out the sampling of cleaning and sterilizing front and back both at home and abroad, mostly be manual sampling,, cause sampled result inaccurate because hand sampling is random big.
The utility model content
The technical problems to be solved in the utility model is, has defective at prior art, designs a kind of quantitative sampling device that is used to gather sample of dust in the central air conditioner ventilating duct, its simple to operate, dependable performance, and high efficiency, in light weight, easy to carry.
Technical solution of the present utility model is, the described quantitative sampling device organic frame that is used to gather sample of dust in the central air conditioner ventilating duct, be uncovered VTOL (vertical take off and landing) sampling box but the bottom is housed in this frame, this sampling box top connects with the lifting arm bottom that is contained on the fuselage and can make sampling box make the elevating mechanism of VTOL (vertical take off and landing); Its design feature is, described sampling box inner chamber one end is connected with a dust hopper that can upwards take out, and this dust hopper one side is that uncovered and described opening end capping has movable scraping blade; Described movable scraping blade dorsal part is provided with the scraper plate and the described movable scraping blade that are parallel to this activity scraping blade and is provided with corresponding adhesive magnetic sheet with scraper plate, and described scraper plate both sides have the engaging lug that is fixed on corresponding screw mandrel front end respectively; Two screw mandrels of parallel axes in opening end plane, sampling box bottom are arranged in parallel and this two screw mandrel is installed in respectively in the corresponding silk braid that is fixed on the sampling box, and a rhizoid bar links to each other through the mainshaft gear of transmission gear with motor.
Below the utility model made further specify.
Referring to Fig. 1 and Fig. 2, the quantitative sampling device that is used to gather sample of dust in the central air conditioner ventilating duct described in the utility model has fuselage 1, the bottom is housed in this fuselage 1 is uncovered sampling box 2, these sampling box 2 tops connect with the lifting arm bottom that is contained on the fuselage 1 and can make sampling box 2 make the elevating mechanism of VTOL (vertical take off and landing); Its design feature is, referring to Fig. 2, described sampling box 2 inner chambers one end is connected with a dust hopper that can upwards take out 3, and these dust hopper 3 one sides are that uncovered and described opening end capping has movable scraping blade 4; Described movable scraping blade 4 dorsal parts are provided with the scraper plate 5 and the described movable scraping blade 4 that are parallel to this activity scraping blade 4 and are provided with corresponding adhesive magnetic sheet with scraper plate 5; Referring to Fig. 2 and Fig. 3, described scraper plate 5 both sides have the engaging lug 8,9 that is fixed on corresponding screw mandrel (screw rod) 6,7 front ends respectively; Two screw mandrels 6,7 of parallel axes in opening end plane, sampling box 2 bottom are arranged in parallel and this two screw mandrel 6,7 is installed in respectively in the corresponding silk braid (nut) 9 that is fixed on the sampling box 2, and a rhizoid bar 6 or 7 links to each other through the mainshaft gear of transmission gear 10 with first motor 11.
The design concept of the present utility model and the course of work are (referring to Fig. 2 and Fig. 3 and embodiment), start three-motor 19 driving gear pairs 16 and drive described silk braid 18 rotations, make screw mandrel 17 do upper and lower (axially) and move; When screw mandrel 17 upwards moves, just mention sampling box 2, be about to this sampling box 2 and raise up built on stilts (pipeline bottom surface); Start first motor 11 then, then make described screw mandrel 6,7 do the forward and backward to-and-fro movement of horizontal direction in the silk braid 8,9 of correspondence, the running of described screw mandrel 6,7 is at first pushed scraper plate 5 to be positioned at sampling box 2 opening ends
As known from the above, the utility model is a kind of quantitative sampling device that is used to gather sample of dust in the central air conditioner ventilating duct, its stable performance, easy to operate, the sampling precision height, and high efficiency, simple and compact structure, in light weight, easy to carry are got grey area and can be reached 25～100 square centimeters.
Description of drawings
Fig. 1 is the perspective view (being with local fuselage) of a kind of embodiment of the utility model;
Fig. 2 be among Fig. 1 A-A to the sectional structure synoptic diagram;
Fig. 3 be among Fig. 1 B-B to the sectional structure synoptic diagram.
In the accompanying drawings:
The 1-fuselage, the 2-sampling box, the 3-dust hopper,
The movable scraping blade of 4-, the 5-scraper plate, 6, the 7-screw mandrel,
8,9-engaging lug, the 10-transmission gear, 11-first motor,
The removable base plate of 12-, the 13-tooth bar, 14-second motor,
The 15-transmission gear, the 16-driving gear pair, the 17-screw mandrel,
The 18-silk braid, the 19-three-motor, 20-slide cover 20,
The 21-handle.
Embodiment
As shown in Figure 1 to Figure 3, the described quantitative sampling device that is used to gather sample of dust in the central air conditioner ventilating duct has fuselage 1, the bottom is housed in this fuselage 1 is uncovered sampling box 2, these sampling box 2 tops connect with the lifting arm bottom that is contained on the fuselage 1 and can make sampling box 2 make the elevating mechanism of VTOL (vertical take off and landing); Referring to Fig. 2, described sampling box 2 inner chambers one end is connected with a dust hopper that can upwards take out 3, and these dust hopper 3 one sides are that uncovered and described opening end capping has movable scraping blade 4; Described movable scraping blade 4 dorsal parts are provided with the scraper plate 5 and the described movable scraping blade 4 that are parallel to this activity scraping blade 4 and are provided with corresponding adhesive magnetic sheet with scraper plate 5; Referring to Fig. 2 and Fig. 3, described scraper plate 5 both sides have the engaging lug 8,9 that is fixed on corresponding screw mandrel (screw rod) 6,7 front ends respectively; Two screw mandrels 6,7 of parallel axes in opening end plane, sampling box 2 bottom are arranged in parallel and this two screw mandrel 6,7 is installed in respectively in the corresponding silk braid (nut) 9 that is fixed on the sampling box 2, and a rhizoid bar 6 or 7 links to each other through the mainshaft gear of transmission gear 10 with first motor 11.
Referring to Fig. 2 and Fig. 3, can be provided with opening and band handle 21 slide covers 20 that are sealed on this opening at 2 end faces of the sampling box above the dust hopper 3, can be in order to take out or put into dust hopper 3.
Referring to Fig. 2 and Fig. 3, also can below described sampling box 2 bottom opening ends, removable base plate 12 be set, the both sides of described removable base plate 12 are installed in the chute of fuselage 1 corresponding both sides, and one section of this removable base plate 12 has tooth bar 13, and transmission gear 15 meshes with second motor, 14 mainshaft gears that are fixed on fuselage 1 with these tooth bar 13 engagements and this transmission gear 15.
Referring to Fig. 3, the composition of described elevating mechanism is, described lifting arm is a screw mandrel (screw rod) 17, can rotate but can not make axially movable silk braid 18 relative to fuselage and be contained on the fuselage 1, this screw mandrel 17 is contained in the silk braid (nut) 18, and the mainshaft gear that is contained in the three-motor 19 on the fuselage 1 connects with this silk braid 18 through the external thread of driving gear pair 16 and described silk braid 18.
The area of described sampling box 2 bottom opening ends is 25cm
2～100cm
2, the relevant technologies parameter can be:
1, the quantitative sampling area is: 25 square centimeters;
2, the smart fixed mistake of quantitative sampling brings up to 5～10% by original 10～20%;
3, the quantitative sampling time shortened to 45 seconds by original 90 seconds.
Claims (4)
1, a kind of quantitative sampling device that is used to gather sample of dust in the central air conditioner ventilating duct, fuselage (1) is arranged, be uncovered sampling box (2) bottom being equipped with in this fuselage (1), this sampling box (2) top goes up and can make sampling box (2) to do the lifting arm bottom connection of the elevating mechanism of VTOL (vertical take off and landing) with being contained in fuselage (1); It is characterized in that described sampling box (2) inner chamber one end is connected with a dust hopper that can upwards take out (3), these dust hopper (3) one sides are that uncovered and described opening end capping has movable scraping blade (4); Described movable scraping blade (4) dorsal part is provided with the scraper plate (5) and the described movable scraping blade (4) that are parallel to this activity scraping blade (4) and is provided with corresponding adhesive magnetic sheet with scraper plate (5); Described scraper plate (5) both sides have the engaging lug (8,9) that is fixed on corresponding screw mandrel (6,7) front end respectively; Two screw mandrels (6,7) of parallel axes in opening end plane, sampling box (2) bottom are arranged in parallel and this two screw mandrel (6,7) is installed in respectively in the corresponding silk braid (9) that is fixed on the sampling box (2), and a rhizoid bar (6 or 7) links to each other through the mainshaft gear of transmission gear (10) with first motor (11).
2, according to the described quantitative sampling device that is used to gather sample of dust in the central air conditioner ventilating duct of claim 1, it is characterized in that sampling box (2) end face in dust hopper (3) top is provided with opening and band handle (21) slide cover (20) that is sealed on this opening.
3, according to the described quantitative sampling device that is used to gather sample of dust in the central air conditioner ventilating duct of claim 1, it is characterized in that, in opening end below, described sampling box (2) bottom removable base plate (12) is set, the both sides of described removable base plate (12) are installed in the chute of the corresponding both sides of fuselage (1), and one section of this removable base plate (12) has tooth bar (13), and transmission gear (15) meshes with second motor (14) mainshaft gear that is fixed on fuselage (1) with this tooth bar (13) engagement and this transmission gear (15).
4, according to the described quantitative sampling device that is used to gather sample of dust in the central air conditioner ventilating duct of claim 1, it is characterized in that, the composition of described elevating mechanism is, described lifting arm is a screw mandrel (17), can rotate but can not make axially movable silk braid (18) relative to fuselage and be contained on the fuselage (1), this screw mandrel (17) is contained in the silk braid (18), and the mainshaft gear that is contained in the three-motor (19) on the fuselage (1) connects with this silk braid (18) through the external thread of driving gear pair (16) and described silk braid (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200645701U CN201434789Y (en) | 2009-05-25 | 2009-05-25 | Quantitative sampler for collecting dust sample in central air conditioning and ventilation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200645701U CN201434789Y (en) | 2009-05-25 | 2009-05-25 | Quantitative sampler for collecting dust sample in central air conditioning and ventilation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201434789Y true CN201434789Y (en) | 2010-03-31 |
Family
ID=42053602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200645701U Expired - Fee Related CN201434789Y (en) | 2009-05-25 | 2009-05-25 | Quantitative sampler for collecting dust sample in central air conditioning and ventilation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201434789Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795807A (en) * | 2017-12-04 | 2018-03-13 | 山西纬图矿山测控技术有限公司 | A kind of mining personnel information management device |
| CN113588331A (en) * | 2021-07-26 | 2021-11-02 | 武汉市疾病预防控制中心 | Central air conditioner air pipe inner surface sampling system |
-
2009
- 2009-05-25 CN CN2009200645701U patent/CN201434789Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795807A (en) * | 2017-12-04 | 2018-03-13 | 山西纬图矿山测控技术有限公司 | A kind of mining personnel information management device |
| CN107795807B (en) * | 2017-12-04 | 2023-12-12 | 山西纬图矿山测控技术有限公司 | Mining personnel information management device |
| CN113588331A (en) * | 2021-07-26 | 2021-11-02 | 武汉市疾病预防控制中心 | Central air conditioner air pipe inner surface sampling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20140525 |