CN104492194A - Cover plate sliding type access door - Google Patents
Cover plate sliding type access door Download PDFInfo
- Publication number
- CN104492194A CN104492194A CN201410770313.5A CN201410770313A CN104492194A CN 104492194 A CN104492194 A CN 104492194A CN 201410770313 A CN201410770313 A CN 201410770313A CN 104492194 A CN104492194 A CN 104492194A
- Authority
- CN
- China
- Prior art keywords
- cover plate
- access hole
- access door
- ball
- joint strip
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000007689 inspection Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 13
- 238000004887 air purification Methods 0.000 abstract 2
- 239000012945 sealing adhesive Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention relates to a bag type dust collector overhaul device and discloses a cover plate sliding type access door comprising an access hole and a cover plate, wherein the access hole is formed in the top of an air purification chamber of a bag type dust collector; the cover plate is arranged above the access hole; guide grooves capable of guiding the cover plate to horizontally slide are formed between the access hole and the cover plate; each guide groove is internally provided with a ball layer and a spring layer; a movable supporting plate is also arranged between the ball layer and the spring layer; the periphery of each guide groove is provided with a layer of sealing adhesive tape; and the length value of each sealing adhesive tape is smaller than the balance height value relative to the top of the air purification chamber when the whole cover plate is pressed on springs. By using the cover plate sliding type access door, the problems of poor sealing performance and cover plate opening difficulty of the access door at the top of the existing bag type dust collector are solved; and the cover plate sliding type access door has the characteristics of simplicity and convenience in operation, good air tightness and the like.
Description
Technical field
The present invention relates to a kind of sack cleaner apparatus for examination and repair, particularly refer to bag type dust remover roof access door.
Background technology
Along with the development of industrial age, sack cleaner has become the necessary equipment of many plant produced.Sack cleaner top generally all can arrange access door, to implement maintenance.Sack cleaner top access door comprises the access hole being arranged on sack cleaner air-purifying chamber top and the cover plate be arranged on above access hole, current a lot of sack cleaner producer top access door is bolt, nut adds covering plate structure, utilize spanner the nut screwing clamping of cover plate, and then cover plate is pushed down access door, prevent access door from leaking gas.Dust remover roof access door is more, and especially the large-scale dust remover roof access door of dozens of room reaches more than hundreds of, and the access door cover plate weight that next has is up to dozens or even hundreds of jin, and extremely difficulty is stirred.Therefore the problem solving cover plate unlatching difficulty can bring many facilities to the regular maintenance of sack cleaner.
When sack cleaner work, dusty gas, under the effect of negative-pressure air-flow, enters dust removing body from the entrance of separator, and by sock filtration effect, dust is separated from air-flow, and the clean gas be cleaned enters air-purifying chamber and discharges from filter bag inside.When sack cleaner work, air-purifying chamber inside is negative pressure briefly, and the existence of negative pressure is easy to cause air-purifying chamber extraneous gas to scurry in air-purifying chamber from access hole, affects the operating efficiency of deduster.How overcoming the counter productive that air-purifying chamber negative pressure is brought, is also one of the technical problem to be solved in the present invention.
Domestic patent database discloses the patented technology of some dust remover roof access doors:
Such as: [patent No.] CN200920114489.X, the top access door of [title] a kind of deduster, [day for announcing] 2009.11.11, disclose a kind of top access door of deduster, comprise doorframe, sealing strip, door closure, the outside of described doorframe is provided with angle steel, and described sealing strip embeds in angle steel; The surrounding of described door closure is provided with pressing plate, and door closure is also provided with hatch door and some lifting eye seats, and described lifting eye seat is provided with hanger.The utility model good seal performance, long service life.
The technical scheme that this utility model discloses is the technical scheme of comparatively typical " preventing extraneous gas from scurrying into air-purifying chamber ", and Main is with the gap between sealing strip filling cover plate and access hole, prevents gas from entering.But the problem that difficulty opened by cover plate is not resolved, and particularly for the cover plate of weight up to dozens or even hundreds of jin, still has a strong impact on the service work of staff.
Such as: [application number] CN201310623942.0, [title] a kind of sack cleaner access door and opening device, [publication date] 2014-02-26, disclose a kind of sack cleaner access door and opening device, containing access door, access door right-hand member is fixed on the housing of dust remover roof by the briquetting bolt presses on briquetting and briquetting, the upper right end face of described access door is provided with a draw ring, containing left support bar, right support bar, upper connecting rod and lower link, the structure of described left support bar is as follows: also containing door pull bar, bottle gouard moved by hands, support bar and back-up block, described door pull bar lower end is by fixed head and be bolted on the housing of dust remover roof, described door pull bar upper end is provided with fixing hole, described bottle gouard moved by hands two ends are respectively equipped with fixing chain and manual-chain, described fixing chain end is arranged on the upper end of a pull bar by fixing hole, described manual-chain end is arranged on the upper right end face of access door by door draw ring, described support bar one end is arranged on access door upper surface by hinge, described hinge is positioned on the left of a draw ring, described support bar other end end is provided with draw-in groove, described back-up block is arranged on the housing between a pull bar and hinge seat.
This invention make use of the mechanism of similar lever for opening heavy cover plate, makes the unlatching of access door become easy.But this access door and opening device structure relative complex, particularly when dust remover roof is provided with multiple access door time, need to arrange accordingly and overlap leverage more, from manufacturing cost and angularly easy and simple to handle, the program is real to be weak.
Such as: [patent No.] CN201120565155.1, [title] top access door lid hold down gag, [day for announcing] 2012.09.12, disclose a kind of top access door lid hold down gag, it comprises and is arranged on access door on box top and door closure, is sleeved on the briquetting being provided with screw on bolt and nut and gripper shoe, on the box top outside the doorframe on the corresponding both sides of described access door, weld a channel-shaped base plate respectively, the middle part of channel-shaped base plate transverse horizontal part offers U-shaped otch.Using channel-shaped base plate as on the box top outside the doorframe that fixing point is welded on the corresponding both sides of access door, the U-shaped otch of its transverse horizontal part middle part is as the activity point of penetration of bolt, bolt only need be cut from the U-shaped incision of channel-shaped base plate, briquetting and door closure can be fastened on bolt by nut, greatly facilitate the installation to securing member, dismounting.Both make securing member in the future get rusty bonding, and also therefrom can have been shifted out easily with maintenance tool, also can reuse after eliminating rust, reduce maintenance cost.This utility model, solves the installation of securing member, the problem of dismounting, but obviously there is not technical contribution for how to overcome counter productive that air-purifying chamber negative pressure brings and solve the problem that cover plate opens difficulty.
In sum, the technology flaw of sack cleaner top access door is mainly reflected in that difficulty opened by cover plate, sealing differs from two aspects.In air-purifying chamber, negative pressure is the necessary condition of sack cleaner work, but can cause " extraneous gas is scurried in air-purifying chamber "; Sealing joint strip may be used for filling the space between cover plate and access door, ensures air-tightness, but needs fully extruding; Heavy cover plate can crush seal adhesive tape well, but is difficult to open.How solving above-mentioned contradiction dexterously, the negative effect can eliminating negative pressure in air-purifying chamber ensures air-tightness, and under the prerequisite not changing cover plate weight, can open cover plate easily again, be research direction of the present invention.
Summary of the invention
The object of the invention is to solve the problem that existing bag type dust remover roof access door sealing is poor, difficulty opened by cover plate, provide one and negative pressure in air-purifying chamber can be utilized to improve bubble-tight cover plate sliding inspection door.
Cover plate sliding inspection door of the present invention, comprise the access hole being arranged on sack cleaner air-purifying chamber top, be arranged on the cover plate above access hole, two row's parallel guide slots are being provided with corresponding region, access hole edge bottom cover plate, guide groove is divided into two-layer up and down, upper strata is installed with the spring for extruding ball, and the diameter ball consistent with channel widths is equipped with in lower floor, is provided with movable support plate between ball and spring; Cover plate upper rail outer peripheral areas is provided with one deck sealing joint strip, the balance height when height of sealing joint strip is pressed on spring higher than cover plate total weight; Described guide groove slightly extends internally at opening part, is stuck in guide groove by ball.
The operation principle of cover plate sliding inspection door is such: when air-purifying chamber is idle time, air-purifying chamber air pressure inside P1 and external pressure P2 is equal, now cover plate is in balance height (D), due to the rolling action of ball, staff can easily promote cover plate and open access door, overhauls air-purifying chamber.Because air-purifying chamber is negative pressure work, when air-purifying chamber runs, air pressure inside P1 is less than external pressure P0, therefore cover plate is subject to atmospheric pressure F(F=(P0-P1) * S, wherein S is cover plate area), cover plate must move downward and contact with sealing joint strip, finally reach new balance, cover plate drops to highly lower, and air-tightness is better.
Described balance height (D) is determined like this: set the height of spring nature as H, and the weight of cover plate and ball is G, and the coefficient of elasticity of spring is K, and above-mentioned parameter should meet: D=H-(G/K).
Guide groove is arranged on the cover board compare and guide groove is arranged on air-purifying chamber top and can saves guide groove and make material, because when guide groove being arranged on air-purifying chamber top, guide groove length must be greater than access hole width, ensure that cover plate is still subject to the supporting role of spring when slipping away directly over access hole, prevent extrusion damage sealing joint strip in cover plate slipping, reduce the resistance that cover plate slippage is subject to simultaneously.
Be provided with handle above described cover plate, facilitate staff's Level Promoting cover plate.
The plumb cut of described sealing joint strip is Y-shaped, and Y shape structure increases the contact area of cover plate and adhesive tape; Time cover plate touches sealing joint strip, blocked by access hole completely, the height that cover plate drops to is lower, and the contact area of adhesive tape is larger.
Balance height 1-3cm when the height of described sealing joint strip is pressed on spring lower than cover plate total weight, to prevent in cover plate slipping the extrusion damage sealing joint strip due to slight vertical tremor.
Described cover plate is provided with through cover plate and limits the pilot pin of cover plate horizontal movement, so arranges and prevents the horizontal movement of air-purifying chamber course of work cover plate from affecting access door sealing.
Described ball is hollow rigid spheroid, can save making consumptive material, alleviates cover plate burden simultaneously.
Cover plate sliding inspection door of the present invention solves the shortcoming and defect of prior art, compared with prior art has following progress:
1, adopt the mode of slide-open, time sack cleaner is idle, air-purifying chamber inner and outer air pressure is equal, and cover plate is in balance height (D), and cover plate does not contact with sealing joint strip, and due to the rolling action of ball, cover plate can by the access hole that slips away easily.So, eliminate the trouble of unscrewing screw on the one hand, also solve the problem that cover plate stirs difficulty on the other hand, finally reach minimizing maintenance workload, reduce the object of maintenance difficulty.
2, the negative effect of negative pressure in air-purifying chamber is converted into good effect, air-purifying chamber inner and outer air pressure difference is more greatly different, and the pressure of extraneous gas to cover plate is larger, and cover plate is better to the squeezing effect of sealing joint strip, therefore extraneous gas is just difficult to scurry in air-purifying chamber, ensure that the air-tightness of air-purifying chamber.
3, sealing joint strip is Y-shaped, time cover plate touches sealing joint strip, is blocked by access hole completely, and the height that cover plate drops to is lower, and the contact area of adhesive tape and air-purifying chamber is larger.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation of cover plate sliding inspection door of the present invention.
Fig. 2 is the top view of cover plate sliding inspection door of the present invention.
Fig. 3 is guide groove tangent plane structural representation.
In figure, 1-air-purifying chamber; 2-cover plate; 3-access hole; 4-handle; 5-ball; 6-spring; 7-guide groove; 8-sealing joint strip; 9-pilot pin; 10-support plate.
Detailed description of the invention
See 1-3, cover plate sliding inspection door of the present invention, comprise the access hole 3 being arranged on sack cleaner air-purifying chamber 1 top, be arranged on the cover plate 2 above access hole, access hole 3 side is provided with two row's parallel guide slots 7, and guide groove is divided into two-layer up and down, and the diameter ball consistent with channel widths 5 is equipped with on upper strata, lower floor is installed with the spring 6 for supporting ball, is provided with movable support plate 10 between ball and spring; One deck sealing joint strip 8 is arranged with, the balance height when height of sealing joint strip is pressed on spring lower than cover plate 2 total weight outside guide groove; The length of described guide groove is greater than cover plate width 1.5 times.
Handle 4 is provided with above described cover plate 2.The plumb cut of described sealing joint strip 8 is Y-shaped, time cover plate 2 touches sealing joint strip 8, is blocked by access hole 3 completely.Balance height 1-3cm when the height of described sealing joint strip is pressed on spring lower than cover plate 2 total weight.Described cover plate 2 is provided with through cover plate and prevents the pilot pin 9 of cover plate horizontal movement.Described ball is hollow rigid spheroid.
Time staff will overhaul sack cleaner or safeguard, close the run switch of air-purifying chamber 1, when treating that air-purifying chamber 1 inner and outer air pressure is equal, pilot pin 9 is taken down, hold handle 4, trend along guide groove 7 is gently drawn (pushing away) cover plate 2, due to the rolling action of ball 5, cover plate can by the access hole 3 that slips away easily; After access hole 3 is opened completely, staff just can enter in air-purifying chamber 1 and carry out inspection operation; Overhaul complete, hold handle 4, the direction contrary along guide groove 7 is gently drawn (pushing away) cover plate 2, until origin-location got back to by cover plate 2, then pilot pin is put back to the locating hole place of cover plate, complete all operations.
Claims (6)
1. a cover plate sliding inspection door, comprise the access hole (3) being arranged on sack cleaner air-purifying chamber (1) top, with the cover plate be arranged on above access hole (2), it is characterized in that: bottom cover plate, be provided with two row's parallel guide slots (7) with access hole (3) corresponding region, edge, guide groove is divided into two-layer up and down, upper strata is installed with the spring (6) for extruding ball, the diameter ball consistent with channel widths (5) is equipped with in lower floor, is provided with movable support plate (10) between ball and spring; Cover plate upper rail outer peripheral areas is provided with one deck sealing joint strip (8), the balance height when height of sealing joint strip is pressed on spring higher than cover plate (2) total weight; Described guide groove slightly extends internally at opening part, is stuck in guide groove by ball.
2. cover plate sliding inspection door according to claim 1, is characterized in that: described cover plate (2) top is provided with handle (4).
3., according to the arbitrary described cover plate sliding inspection door of claim 1 or 2, it is characterized in that: the plumb cut of described sealing joint strip (8) is Y-shaped, time cover plate (2) touches sealing joint strip (8), completely access hole (3) is blocked.
4. cover plate sliding inspection door according to claim 3, is characterized in that: the balance height 1-3cm when height of described sealing joint strip is pressed on spring higher than cover plate (2) total weight.
5. cover plate sliding inspection door according to claim 4, is characterized in that: described cover plate (2) is provided with through cover plate and limits the pilot pin (9) of cover plate horizontal movement.
6. cover plate sliding inspection door according to claim 5, is characterized in that: described ball (5) is hollow rigid spheroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770313.5A CN104492194B (en) | 2014-12-12 | 2014-12-12 | A kind of cover plate sliding inspection door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410770313.5A CN104492194B (en) | 2014-12-12 | 2014-12-12 | A kind of cover plate sliding inspection door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104492194A true CN104492194A (en) | 2015-04-08 |
| CN104492194B CN104492194B (en) | 2016-06-08 |
Family
ID=52933698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410770313.5A Expired - Fee Related CN104492194B (en) | 2014-12-12 | 2014-12-12 | A kind of cover plate sliding inspection door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104492194B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751273A (en) * | 2016-04-30 | 2016-07-13 | 平阳县力泰机械有限公司 | Plastic container edge trimming machine |
| CN107934694A (en) * | 2017-11-24 | 2018-04-20 | 安徽恒杰保安服务有限公司 | A kind of security reel wire engine of damp-proof |
| CN115232929A (en) * | 2022-09-19 | 2022-10-25 | 南通凯茜机电工具有限公司 | Annealing device for machining fasteners |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2222964A (en) * | 1988-09-16 | 1990-03-28 | Atomic Energy Authority Uk | Air Filter |
| DE29506948U1 (en) * | 1994-05-04 | 1995-07-06 | Sauter AG, Sulgen | Pressure container, especially sterilizer, with a sliding door |
| CN201482367U (en) * | 2009-05-19 | 2010-05-26 | 中建材(北京)环保工程发展有限公司 | Access door of bag-type dust catcher with dual-layer sealing |
| CN201832504U (en) * | 2010-11-05 | 2011-05-18 | 浙江菲达环保科技股份有限公司 | Pressure reducing device of seal cover of bag type dust collector |
| CN102755795A (en) * | 2012-07-27 | 2012-10-31 | 苏州宇洋环保设备制造有限公司 | Top door sealing structure of bag-type dust collector |
-
2014
- 2014-12-12 CN CN201410770313.5A patent/CN104492194B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2222964A (en) * | 1988-09-16 | 1990-03-28 | Atomic Energy Authority Uk | Air Filter |
| DE29506948U1 (en) * | 1994-05-04 | 1995-07-06 | Sauter AG, Sulgen | Pressure container, especially sterilizer, with a sliding door |
| CN201482367U (en) * | 2009-05-19 | 2010-05-26 | 中建材(北京)环保工程发展有限公司 | Access door of bag-type dust catcher with dual-layer sealing |
| CN201832504U (en) * | 2010-11-05 | 2011-05-18 | 浙江菲达环保科技股份有限公司 | Pressure reducing device of seal cover of bag type dust collector |
| CN102755795A (en) * | 2012-07-27 | 2012-10-31 | 苏州宇洋环保设备制造有限公司 | Top door sealing structure of bag-type dust collector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751273A (en) * | 2016-04-30 | 2016-07-13 | 平阳县力泰机械有限公司 | Plastic container edge trimming machine |
| CN105751273B (en) * | 2016-04-30 | 2018-06-29 | 平阳县力泰机械有限公司 | Plastic containers edge cutting machine |
| CN107934694A (en) * | 2017-11-24 | 2018-04-20 | 安徽恒杰保安服务有限公司 | A kind of security reel wire engine of damp-proof |
| CN115232929A (en) * | 2022-09-19 | 2022-10-25 | 南通凯茜机电工具有限公司 | Annealing device for machining fasteners |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104492194B (en) | 2016-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160302 Address after: Qingxiu District, Nanning City, the Guangxi Zhuang Autonomous Region No. 24 530022 Applicant after: GUANGXI NANNING ZHICUI TECHNOLOGY CONSULTING CO., LTD. Address before: 545005, the Guangxi Zhuang Autonomous Region, Liuzhou, Yufeng East Ring Road, 63, Donghua garden, 7 floor Applicant before: Wei Wenfeng |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Niu Yanhong Inventor before: Lu Ying Inventor before: Huang Nangai Inventor before: Hua Yonggong |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170605 Address after: 454150, 4, Xiaodong village, Xiaodong village, Wuzhi County, Jiaozuo, Henan Patentee after: Niu Yanhong Address before: Qingxiu District, Nanning City, the Guangxi Zhuang Autonomous Region No. 24 530022 Patentee before: GUANGXI NANNING ZHICUI TECHNOLOGY CONSULTING CO., LTD. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20171212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |