CN107036700A - A kind of weighing cover for being convenient for changing roughing efficiency air filter - Google Patents
A kind of weighing cover for being convenient for changing roughing efficiency air filter Download PDFInfo
- Publication number
- CN107036700A CN107036700A CN201710377222.9A CN201710377222A CN107036700A CN 107036700 A CN107036700 A CN 107036700A CN 201710377222 A CN201710377222 A CN 201710377222A CN 107036700 A CN107036700 A CN 107036700A
- Authority
- CN
- China
- Prior art keywords
- side wall
- air filter
- roughing efficiency
- efficiency air
- locating rod
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/28—Frames, Housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/30—Means for preventing contamination by dust
Abstract
The invention discloses a kind of weighing cover for being convenient for changing roughing efficiency air filter, including cabinet, workspace is provided with the cabinet, blower fan area, return zone and wind outlet area, roughing efficiency air filter is provided with return zone, the rectangular channel of right openings is formed on the inwall of the return zone, the roughing efficiency air filter includes sleeve the rectangular susceptor in rectangular channel, the inside of rectangular susceptor is provided with retainer, scrim cloth is respectively provided with above and below retainer, filter chamber is formed between retainer and up and down two scrim cloths, activated carbon is filled with filter chamber, the front side of the lower end of rectangular susceptor and rear side are respectively fixed with two sliding blocks, sliding block sleeve is on slide rail, slide rail is fixed on the side wall of rectangular channel, deep gouge is formed on the right side of the rectangular channel, cover plate is fixed with deep gouge, the left side wall of cover plate is pressed against on the right side wall of rectangular susceptor.It can easily change roughing efficiency air filter and sealing effectiveness is good, and can auto spring roughing efficiency air filter when changing.
Description
Technical field：
The present invention relates to purification techniques field, and in particular to weighs cover.
Background technology：
Layer weigh cover be it is a kind of be used for the special Local Purification equipment in place such as pharmacy, microbe research and scientific experiment,
It provides a kind of one-way gas flow, and part pure air is circulated in workspace, is partly expelled near zone, produces workspace negative
Pressure, prevents cross pollution, the high-cleanness, high environment for ensureing workspace.
Authorization Notice No. discloses a kind of negative pressure for CN203672473U patent of invention file and weighs cover, and it includes machine
Case, roughing efficiency air filter, medium effeciency filter, high efficiency particulate air filter, stream film, plenum chamber, blower fan, return wind transom, regulation window and flexible pipe, institute
Stating has workspace, blower fan area, return zone and wind outlet area in cabinet, and the wind outlet area is located at the top in workspace and blower fan area simultaneously
It is arranged at intervals, the return zone is located at the underface of workspace, and left and right is arranged at intervals respectively with workspace in the blower fan area, institute
The bottom that blower fan is arranged in blower fan area is stated, the high efficiency particulate air filter, stream film and plenum chamber are arranged in wind outlet area, described to adjust
Section window is arranged on the side wall of wind outlet area, and the roughing efficiency air filter and medium effeciency filter are arranged in return zone, the return air
Window is arranged on the side wall of return zone, and the flexible pipe is vertically upper to be extended, and the blower fan passes through flexible pipe and plenum chamber
Connection, the stream film is located at the bottom of plenum chamber, and the high efficiency particulate air filter is arranged between regulation window and plenum chamber.Negative pressure claims
Amount cover is internal to make working region produce negative pressure, with the situation for preventing dust from raising up.But change when just imitating roughing efficiency air filter, it is necessary to elder generation
Remove miscellaneous part first to remove, workload is big and not easy to operate.
The content of the invention：
The purpose of the present invention is to overcome the deficiencies in the prior art there is provided a kind of weighing cover for being convenient for changing roughing efficiency air filter,
It can easily change roughing efficiency air filter and sealing effectiveness is good, and can auto spring roughing efficiency air filter when changing.
The scheme that the present invention solves the technical problem is：
A kind of weighing cover for being convenient for changing roughing efficiency air filter, including cabinet, in the cabinet provided with workspace, blower fan area,
Return zone and wind outlet area, the blower fan area are located at the left side of workspace and interval setting, the return zone and wind outlet area difference position
Workbench is provided with above and below in workspace, the workspace, workbench is provided with the through hole that vertical direction extends, institute
The side wall for stating return zone is provided with return wind transom, return zone provided with roughing efficiency air filter and medium effeciency filter, roughing efficiency air filter position
Between workbench and medium effeciency filter, the bottom in the blower fan area is provided with blower fan, and the air outlet of blower fan is by flexible pipe with being placed in
Plenum chamber connection in wind outlet area, the bottom of the plenum chamber is provided with film is flowed, and the top for flowing film is provided with liquid bath high-efficient purification
Device, the side wall of the wind outlet area is provided with high efficiency particulate air filter provided with regulation window between the plenum chamber and regulation window；The return air
Form the rectangular channel of right openings on the inwall in area, the roughing efficiency air filter includes sleeve the rectangular susceptor in rectangular channel,
The inside of rectangular susceptor is provided with above and below retainer, retainer and is respectively provided with scrim cloth, up and down retainer and two fibers
Formed between layer of cloth and activated carbon is filled with filter chamber, filter chamber, the front side of the lower end of rectangular susceptor and rear side are respectively fixed with two
Individual sliding block, sliding block sleeve is on slide rail, and slide rail is fixed on the side wall of rectangular channel, and deep gouge is formed on the right side of the rectangular channel,
Cover plate is fixed with deep gouge, the left side wall of cover plate is pressed against on the right side wall of rectangular susceptor.
The first locating rod and the second locating rod, the square are respectively fixed with the left side wall and right side wall of the rectangular susceptor
Formed on the left side wall of shape groove formed on the first positioning hole being engaged with the first locating rod, the left side wall of the cover plate with
The second positioning hole that second locating rod is engaged, the first locating rod sleeve is in the first positioning hole, and the second locating rod sleeve is
In two positioning holes；High settings such as first locating rod and the second locating rod but be not concentric setting；First locating rod
Tapering is formed with the end of the second locating rod.
Formed on the upper side of the rectangular susceptor and the first sealing ring is provided with the first seal groove, the first seal groove, the
The upper end outer wall of one sealing ring is pressed against on the upper side wall of rectangular channel；The second seal groove, the second sealing are formed on the cover plate
The second sealing ring is provided with groove, the outer wall of the second sealing ring is pressed against on the inwall of deep gouge.
The upside of the scrim cloth of the upside is provided with upper ventilating board, and the downside of the scrim cloth of downside is pressed against iron wire
On the net, wire netting is fixed on the inwall of rectangular susceptor, and the downside of the wire netting is provided with lower ventilating board, the upper ventilating board and
Lower ventilating board is fixed on rectangular susceptor, and some stomatas are formed on the upper ventilating board and lower ventilating board.
The sliding block forms guide groove, and guide groove sleeve is on slide rail, and the lower wall of the slide rail is pressed against guide groove
Lower wall on, gap a is left between the upper side wall of the slide rail and the upper side wall of guide groove.
The spring groove of left and right directions extension is formed on the left of the slide rail, be fixed with the left side wall of spring groove spring and
Sleeve pipe, spring is socketed on sleeve pipe, and straight-bar is socketed with described sleeve pipe, and the right-hand member of straight-bar is fixed with push pedal, the right-hand member pressure of spring
Lean against in push pedal；Pushing block is slidably connected on the slide rail, the left side and right side of pushing block press up against the cunning in pushing block and left side
On block.
The present invention protrusion effect be：Compared with prior art, it can easily change roughing efficiency air filter and sealing effect
Fruit is good, and can auto spring roughing efficiency air filter when changing.
Brief description of the drawings：
Fig. 1 is structural representation and air flow figure of the invention；
Fig. 2 is Fig. 1 partial enlarged drawing；
Fig. 3 is Fig. 2 the first partial enlarged drawing；
Fig. 4 is Fig. 2 the second partial enlarged drawing；
Fig. 5 is Fig. 2 the 3rd partial enlarged drawing；
Fig. 6 is the present invention on sliding block, the partial sectional view of slide rail.
Embodiment：
Embodiment, is shown in as shown in Figures 1 to 6, a kind of weighing cover for being convenient for changing roughing efficiency air filter, including cabinet 1, described
Workspace 101, blower fan area 102, return zone 103 and wind outlet area 104 are provided with cabinet 1, the blower fan area 102 is located at workspace
101 left side and interval setting, the return zone 103 and wind outlet area 104 are located at the above and below of workspace 101, institute respectively
State and workbench 21 is provided with workspace 101, workbench 21 is provided with the through hole that vertical direction extends, the one of the return zone 103
Side wall, which is provided with return wind transom, return zone 103, is provided with roughing efficiency air filter 3 and medium effeciency filter 4, and roughing efficiency air filter 3 is located at work
Between platform 21 and medium effeciency filter 4, the bottom in the blower fan area 102 is provided with blower fan 22, and the air outlet of blower fan 22 passes through flexible pipe 23
It is connected with the plenum chamber 26 being placed in wind outlet area 104, the top of film 24 is flowed in the bottom of the plenum chamber 26 provided with film 24 is flowed
Provided with liquid bath efficient purifier, the side wall of the wind outlet area 104 provided with regulation window 25, the plenum chamber 26 and regulation window 25 it
Between be provided with high efficiency particulate air filter 5；The rectangular channel 106 of right openings, the primarily efficient filter are formed on the inwall of the return zone 103
Device 3 includes sleeve the rectangular susceptor 31 in rectangular channel 106, and the inside of rectangular susceptor 31 is provided with retainer 32, retainer 32
Above and below be respectively provided with scrim cloth 33, between retainer 32 and up and down two scrim cloths 33 formed filter chamber 300, filter chamber
Activated carbon is filled with 300, the front side of the lower end of rectangular susceptor 31 and rear side are respectively fixed with two sliding blocks 34, and the sleeve of sliding block 34 exists
On slide rail 35, slide rail 35 is fixed on the side wall of rectangular channel 106, and the right side of the rectangular channel 106 forms deep gouge 107, deep gouge
Cover plate 36 is fixed with 107, the left side wall of cover plate 36 is pressed against on the right side wall of rectangular susceptor 31.
Furthermore, it is respectively fixed with the first locating rod 311 on the left side wall and right side wall of the rectangular susceptor 31
With the second locating rod 312, the first positioning being engaged with the first locating rod 311 is formed on the left side wall of the rectangular channel 106
The second positioning hole 361 being engaged with the second locating rod 312, the first positioning are formed on hole 107, the left side wall of the cover plate 36
The sleeve of bar 311 is in the first positioning hole 107, and the sleeve of the second locating rod 312 is in the second positioning hole 361；First locating rod
311 and second high setting such as locating rod 312 but be not concentric setting；The locating rod 312 of first locating rod 311 and second
End forms tapering.
Furthermore, the first seal groove 313, the first seal groove are formed on the upper side of the rectangular susceptor 31
The first sealing ring 37 is provided with 313, the upper end outer wall of the first sealing ring 37 is pressed against on the upper side wall of rectangular channel 106；The lid
Formed on plate 36 in second seal groove 362, the second seal groove 362 and be provided with the second sealing ring 38, the outer wall of the second sealing ring 38
On the inwall for being pressed against deep gouge 107.
Furthermore, the upside of the scrim cloth 33 of the upside is provided with upper ventilating board 71, the scrim cloth of downside
33 downside is pressed against on wire netting 72, and wire netting 72 is fixed on the inwall of rectangular susceptor 33, under the wire netting 72
Side is provided with lower ventilating board 73, and the upper ventilating board 71 and lower ventilating board 73 are fixed on rectangular susceptor 31, the upper ventilating board 71
Some stomatas are formed with lower ventilating board 73.
Furthermore, the sliding block 34 forms guide groove 341, and the sleeve of guide groove 341 is on slide rail 35, the cunning
The lower wall of rail 35 is pressed against in the lower wall of guide groove 341, the upper side wall of the slide rail 35 and the upper side wall of guide groove 341 it
Between leave gap a.
Furthermore, the left side of the slide rail 35 forms the spring groove 351 of left and right directions extension, spring groove 351
Left side wall on be fixed with spring 74 and sleeve pipe 75, spring 74 is socketed on sleeve pipe 75, and straight-bar 76 is socketed with described sleeve pipe 75,
The right-hand member of straight-bar 76 is fixed with push pedal 77, and the right-hand member of spring 74 is pressed against in push pedal 77；Slidably connect and push away on the slide rail 35
Block 78, the left side and right side of pushing block 78 are pressed up against on the sliding block 34 in pushing block 78 and left side.
Operation principle：When changing roughing efficiency air filter 3, by the sleeve of rectangular susceptor 31 in rectangular channel 106, the sleeve of sliding block 34 exists
On slide rail 35, now, slide rail 35 is pressed against on the upper side wall of guide groove 341 of sliding block 34, by rectangular susceptor 31 along slide rail 35 to
Left side is promoted, and the small end in the tapering of the first locating rod 311 first is inserted in the first positioning hole 107, then as first axle 311
Tapering deepens continuously, and rectangular susceptor 31 moves up the upper side wall compression with rectangular channel 106, so that the first sealing ring 37 is abutted against
Increase sealing effectiveness on the upper side wall of rectangular channel 106, prevent the upper side and lower side of roughing efficiency air filter from carrying out gas exchanges；Then will
Second positioning hole 361 of cover plate 36 is enclosed in the second locating rod 312, after side compression and is fixed on to the left in deep gouge 107, second is close
The setting of seal 38, can prevent side wall leakage；When installing rectangular susceptor 31, sliding block 34 promotes pushing block 78 to move to left, and spring 74 is accumulated
Elastic potential energy is stored, it is necessary to which when removing, the elastic potential energy of the savings of spring 74 can eject rectangular susceptor 31, convenient to remove rectangle base
Seat.
Embodiment of above is merely to illustrate the present invention, and not to system of the invention, about the common skill of technical field
Art personnel, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all etc.
Same technical scheme falls within scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (6)
1. workspace is provided with a kind of weighing cover for being convenient for changing roughing efficiency air filter, including cabinet (1), the cabinet (1)
(101), blower fan area (102), return zone (103) and wind outlet area (104), the blower fan area (102) are located at the left side of workspace (101)
Side is simultaneously arranged at intervals, and the return zone (103) and wind outlet area (104) are described respectively positioned at the above and below of workspace (101)
Workbench (21) is provided with workspace (101), workbench (21) is provided with the through hole that vertical direction extends, the return zone
(103) side wall, which is provided with return wind transom, return zone (103), is provided with roughing efficiency air filter (3) and medium effeciency filter (4), just effect
Filter (3) is located between workbench (21) and medium effeciency filter (4), and the bottom of the blower fan area (102) is provided with blower fan (22),
The air outlet of blower fan (22) is connected by flexible pipe (23) with the plenum chamber (26) being placed in wind outlet area (104), the plenum chamber
(26) bottom is provided with stream film (24), and the top for flowing film (24) is provided with liquid bath efficient purifier, the wind outlet area (104)
Side wall is provided with high efficiency particulate air filter (5) provided with regulation window (25) between the plenum chamber (26) and regulation window (25)；Its feature exists
In：The rectangular channel (106) of right openings is formed on the inwall of the return zone (103), the roughing efficiency air filter (3) includes inserting
The rectangular susceptor (31) in rectangular channel (106) is enclosed on, the inside of rectangular susceptor (31) is provided with retainer (32), retainer (32)
Above and below be respectively provided with scrim cloth (33), form filter chamber between retainer (32) and up and down two scrim cloths (33)
(300) activated carbon, is filled with filter chamber (300), the front side of the lower end of rectangular susceptor (31) and rear side are respectively fixed with two cunnings
Block (34), sliding block (34) sleeve is on slide rail (35), and slide rail (35) is fixed on the side wall of rectangular channel (106), the rectangular channel
(106) formed on the right side of in deep gouge (107), deep gouge (107) and be fixed with cover plate (36), the left side wall of cover plate (36) is pressed against square
On the right side wall of shape pedestal (31).
2. a kind of weighing cover for being convenient for changing roughing efficiency air filter according to claim 1, it is characterised in that：The rectangle base
The first locating rod (311) and the second locating rod (312), the rectangular channel are respectively fixed with the left side wall and right side wall of seat (31)
(106) the first positioning hole (107) being engaged with the first locating rod (311) is formed on left side wall, the cover plate (36)
The second positioning hole (361) being engaged with the second locating rod (312) is formed on left side wall, the first locating rod (311) sleeve exists
In first positioning hole (107), the second locating rod (312) sleeve is in the second positioning hole (361)；First locating rod (311)
With the high setting such as the second locating rod (312) but be not concentric setting；First locating rod (311) and the second locating rod
(312) end forms tapering.
3. a kind of weighing cover for being convenient for changing roughing efficiency air filter according to claim 1, it is characterised in that：The rectangle base
Formed on the upper side of seat (31) and the first sealing ring (37) is provided with the first seal groove (313), the first seal groove (313), the
The upper end outer wall of one sealing ring (37) is pressed against on the upper side wall of rectangular channel (106)；It is close that second is formed on the cover plate (36)
The second sealing ring (38) is provided with sealing groove (362), the second seal groove (362), the outer wall of the second sealing ring (38) is pressed against deep gouge
(107) on inwall.
4. a kind of weighing cover for being convenient for changing roughing efficiency air filter according to claim 1, it is characterised in that：The upside
The upside of scrim cloth (33) is provided with upper ventilating board (71), and the downside of the scrim cloth (33) of downside is pressed against wire netting (72)
On, wire netting (72) is fixed on the inwall of rectangular susceptor (33), and the downside of the wire netting (72) is provided with lower ventilating board (73),
The upper ventilating board (71) and lower ventilating board (73) are fixed on rectangular susceptor (31), the upper ventilating board (71) and lower ventilating board
(73) some stomatas are formed on.
5. a kind of weighing cover for being convenient for changing roughing efficiency air filter according to claim 1, it is characterised in that：The sliding block
(34) guide groove (341) is formed, guide groove (341) sleeve is on slide rail (35), and the lower wall of the slide rail (35) is pressed against
In the lower wall of guide groove (341), gap is left between the upper side wall of the slide rail (35) and the upper side wall of guide groove (341)
(a)。
6. a kind of weighing cover for being convenient for changing roughing efficiency air filter according to claim 1, it is characterised in that：The slide rail
(35) formed on the left of and be fixed with spring (74) on the spring groove (351) of left and right directions extension, the left side wall of spring groove (351)
With sleeve pipe (75), spring (74) is socketed on sleeve pipe (75), and straight-bar (76), the right side of straight-bar (76) are socketed with described sleeve pipe (75)
End is fixed with push pedal (77), and the right-hand member of spring (74) is pressed against in push pedal (77)；Pushing block is slidably connected on the slide rail (35)
(78), the left side and right side of pushing block (78) are pressed up against on the sliding block (34) in pushing block (78) and left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710377222.9A CN107036700A (en) | 2017-05-25 | 2017-05-25 | A kind of weighing cover for being convenient for changing roughing efficiency air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710377222.9A CN107036700A (en) | 2017-05-25 | 2017-05-25 | A kind of weighing cover for being convenient for changing roughing efficiency air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107036700A true CN107036700A (en) | 2017-08-11 |
Family
ID=59540006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710377222.9A Pending CN107036700A (en) | 2017-05-25 | 2017-05-25 | A kind of weighing cover for being convenient for changing roughing efficiency air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107036700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110958798A (en) * | 2019-12-30 | 2020-04-03 | 胡云鑫 | Communication box |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170811 |
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| WD01 | Invention patent application deemed withdrawn after publication |