CN105064881A - Double-layer manhole door - Google Patents
Double-layer manhole door Download PDFInfo
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- CN105064881A CN105064881A CN201510420873.2A CN201510420873A CN105064881A CN 105064881 A CN105064881 A CN 105064881A CN 201510420873 A CN201510420873 A CN 201510420873A CN 105064881 A CN105064881 A CN 105064881A
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Abstract
The invention discloses a double-layer manhole door for dust collectors, comprising a door frame and a door body in threaded fit with the door frame. The door frame is disposed on the sidewall of a dust collector. The outer surface of the door frame is provided with at least one circular seal groove. The door body comprises an outer door circular in shape, an inner door in a tubular shape, a hand wheel and a fixing unit; the outer door comprises at least one seal pad circular in shape and in mutual fit with the seal grooves; the inner door is fixed to the inner surface of the outer door and coaxial with the outer door; the outer surface of the inner door is provided with a thread fitting the door frame; the hand wheel is fixed to the outer surface of the outer door and coaxial with the outer door; one end of the fixing unit is fixed to the sidewall of the dust collector, and the other end thereof is rotationally connected with the hand wheel; the fixing unit is used for providing an inward pressure for the outer door when the door body is closed and providing an outward pull for the outer door when the door body is opened.
Description
Technical field
The present invention relates to a kind of double-deck manhole door, especially for the double-deck manhole door of deduster.
Background technology
The manhole door of existing electrostatic precipitator all adopts individual layer manhole door structure, is connected on electrostatic precipitator housing by individual layer manhole door by eyelet bolt and handle.Owing to being individual layer manhole door structure, cause its sealing poor, especially when people enters deduster, deduster is inner to communicate with the external world, and the air-flow in deduster electric field can be caused to spill.
Please refer to Fig. 1, CN202497943U provides a kind of double-deck manhole door 200, comprise the external door 210 coordinated with shell of dust remover, external door 210 is connected on housing by eyelet bolt and handle, and an inside door 220, inside door 220 edge is provided with the slot corresponding matching arranged in one group of junction plate and doorframe.Want when this double-deck manhole door re-uses successively inside door 210 and external door 220 to be opened, comparatively complicated during use.
Summary of the invention
The invention provides a kind of double-deck manhole door, can effectively solve the problem.
For a double-deck manhole door for deduster, it is characterized in that, comprising: doorframe and the door body with described doorframe threaded engagement, described doorframe is arranged on the sidewall of described deduster, and the external surface of described doorframe is provided with the seal groove of at least one annular; Described door body comprises: the external door of toroidal, comprises the sealing mat of the annular that at least one and described seal groove cooperatively interacts; The inside door of tubulose, the inner surface being fixed on described external door is coaxially arranged with described external door, and the external surface of described inside door is provided with the screw thread coordinated with described doorframe; Handwheel, the external surface being fixed on described external door is coaxially arranged with described external door; And fixed cell, one end of this fixed cell is fixed on the sidewall of described deduster, the other end is connected with described hand wheel rotating, this fixed cell is used for providing an inside pressure when described door body closes to described external door, and provides an outside pulling force when described door body is opened to described external door.
Further, the external surface of described doorframe is provided with two annular seal grooves; And described external door comprises the sealing mat of the annular that two cooperatively interact with described seal groove.
Further, described fixed cell comprises sleeve, fixed mount, is connected at least one connector, the first spring and the second spring between described sleeve and fixed mount, described sleeve is fixed on the sidewall of described deduster, described fixed mount is connected with described hand wheel rotating, described first spring housing is located between described handwheel and described fixed mount, and described second spring housing is located between described fixed mount and described external door.
Further, described handwheel, described inside door and described external door are formed in one structure.
Further, in described inside door and described external door, at least one is hollow structure, and inside is filled with heat-preservation cotton.
Further, described heat-preservation cotton is glass wool.
Further, described inside door and doorframe adopt tapered thread to coordinate.
Further, the sidewall of described doorframe and described deduster is formed in one structure.
Further, described sealing mat is silicagel pad.
Further, the material of described inside door and external door is 20G steel.
The double-deck manhole door of one provided by the invention, by inside door and external door being interfixed, thus can realize opening and closing two sect simultaneously, using comparatively simple; In addition, by two sealing devices such as the screw thread of inside door and the sealing mats of external door, thus good sealing can be realized; Finally, by the use of described fixed cell, thus more can fit tightly between screw thread when closed be conducive to sealing, and can open time, the smooth unlatching of door and the rotation of fixed cell.
Accompanying drawing explanation
Fig. 1 is the front view of double-deck manhole door of the prior art.
The sectional drawing of the double-deck manhole door that Fig. 2 provides for the embodiment of the present invention.
The top view of the double-deck manhole door that Fig. 3 provides for the embodiment of the present invention.
The sectional drawing of doorframe in the double-deck manhole door that Fig. 4 a provides for the embodiment of the present invention.
The top view of doorframe in the double-deck manhole door that Fig. 4 b provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Please refer to Fig. 2-3, a kind of double-deck manhole door 100 for deduster, comprising: doorframe 50 and the door body (not indicating in figure) with described doorframe 50 threaded engagement.
Described doorframe 50 is arranged on the sidewall 60 of described deduster, and the external surface of described doorframe is provided with the seal groove 51 of at least one annular.In the present embodiment, comprise two annular seal grooves 51.Further, described doorframe 50 and the sidewall 60 of described deduster can be formed in one structure, thus realize more good sealing.
Described door body comprises: the external door 30 of handwheel 10, fixed cell 20, toroidal and the inside door 40 of tubulose.
The external surface that described handwheel 10 is fixed on described external door 30 is coaxially arranged with described external door 30.
The periphery of the inner surface of described external door 30 is provided with the Gask-O-Seal 31 that at least one and described seal groove 51 cooperatively interacts.Described sealing mat 31 can be silica gel.In the present embodiment, comprise two annular silicagel pad.Described external door 30 can be hollow structure, and inside can be filled with heat-preservation cotton.Such structure is conducive to the weight reducing door body, and the heat insulating ability of intensifier.In the present embodiment, described external door 30 is filled with the hollow structure of glass wool, and its material is 20G steel.
The inside door 40 of described tubulose, the inner surface being fixed on described external door 30 is coaxially arranged with described external door 30, and the external surface of described inside door 40 is provided with the screw thread coordinated with described doorframe 50.Described inside door 40 can be also hollow structure, and inside also can be filled with heat-preservation cotton, that is, the sidewall of described inside door 40 is hollow structure and is filled with heat-preservation cotton.In the present embodiment, described inside door 40 is filled with the hollow structure of glass wool, and its material is also 20G steel.In addition, between described inside door 40 with described doorframe 60, tapered thread can be adopted to coordinate, thus realize more good sealing.
Described handwheel 10, described inside door 40 and described external door 30 are formed in one structure or linked together by welding procedure.When described handwheel 10, described inside door 30 and described external door 40 are formed in one structure, higher intensity can be obtained.
One end of described fixed cell 20 is fixed on the sidewall 60 of described deduster, the other end and described handwheel 10 are rotationally connected, this fixed cell 20 for providing an inside pressure when described door body closes to described external door 30, and provides an outside pulling force when described door body is opened to described external door 30.Concrete, described fixed cell comprises sleeve 24, fixed mount 21, is connected at least one connector 22, first spring 25 between described sleeve 24 and fixed mount 21 and the second spring 26.Described sleeve 24 is fixed on the sidewall 60 of described deduster.Described fixed mount 21 is rotationally connected with described handwheel 10.Described first spring 25 is sheathed between described handwheel 10 and described fixed mount 21.Described second spring 26 is sheathed between described fixed mount 21 and described external door 30.Be appreciated that, when described door body closes, described second spring 26 can be compressed between described fixed mount 21 and described external door 30 gradually, therefore, the pressure inwardly extruded can be provided to described external door 30, be conducive to better sealing.When described door body is opened, described first spring 25 can be compressed between described handwheel 10 and described fixed mount 21 gradually, therefore, an outside pulling force can be provided to described external door 30, be conducive to opening.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (10)
1. for a double-deck manhole door for deduster, it is characterized in that, comprising: doorframe and the door body with described doorframe threaded engagement, described doorframe is arranged on the sidewall of described deduster, and the external surface of described doorframe is provided with the seal groove of at least one annular; Described door body comprises:
The external door of toroidal, comprises the sealing mat of the annular that at least one and described seal groove cooperatively interacts;
The inside door of tubulose, the inner surface being fixed on described external door is coaxially arranged with described external door, and the external surface of described inside door is provided with the screw thread coordinated with described doorframe;
Handwheel, the external surface being fixed on described external door is coaxially arranged with described external door; And
Fixed cell, one end of this fixed cell is fixed on the sidewall of described deduster, the other end is connected with described hand wheel rotating, and this fixed cell is used for providing an inside pressure when described door body closes to described external door, and provides an outside pulling force when described door body is opened to described external door.
2. double-deck manhole door according to claim 1, is characterized in that, the external surface of described doorframe is provided with two annular seal grooves; And described external door comprises the sealing mat of the annular that two cooperatively interact with described seal groove.
3. double-deck manhole door according to claim 2, it is characterized in that, described fixed cell comprises sleeve, fixed mount, is connected at least one connector, the first spring and the second spring between described sleeve and fixed mount, described sleeve is fixed on the sidewall of described deduster, described fixed mount is connected with described hand wheel rotating, described first spring housing is located between described handwheel and described fixed mount, and described second spring housing is located between described fixed mount and described external door.
4. double-deck manhole door according to claim 1, is characterized in that, described handwheel, described inside door and described external door are formed in one structure.
5. double-deck manhole door according to claim 1, is characterized in that, in described inside door and described external door, at least one is hollow structure, and inside is filled with heat-preservation cotton.
6. double-deck manhole door according to claim 5, is characterized in that, described heat-preservation cotton is glass wool.
7. double-deck manhole door according to claim 1, is characterized in that, described inside door and doorframe adopt tapered thread to coordinate.
8. double-deck manhole door according to claim 1, is characterized in that, the sidewall of described doorframe and described deduster is formed in one structure.
9. double-deck manhole door according to claim 1, is characterized in that, described sealing mat is silicagel pad.
10. double-deck manhole door according to claim 1, is characterized in that, the material of described inside door and external door is 20G steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510420873.2A CN105064881B (en) | 2015-07-17 | 2015-07-17 | Double-deck manhole door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510420873.2A CN105064881B (en) | 2015-07-17 | 2015-07-17 | Double-deck manhole door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105064881A true CN105064881A (en) | 2015-11-18 |
| CN105064881B CN105064881B (en) | 2017-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510420873.2A Expired - Fee Related CN105064881B (en) | 2015-07-17 | 2015-07-17 | Double-deck manhole door |
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| Country | Link |
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| CN (1) | CN105064881B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503645A (en) * | 2017-09-05 | 2017-12-22 | 安徽机电职业技术学院 | Manhole door mechanism for electric cleaner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203394296U (en) * | 2013-06-20 | 2014-01-15 | 江苏亿金环保科技股份有限公司 | Double-heat insulation double-sealing overhaul door for box body on dust remover |
| CN104074448A (en) * | 2014-07-17 | 2014-10-01 | 厦门佰瑞福环保科技有限公司 | Sealing structure of access door cover |
| CN204194136U (en) * | 2014-10-31 | 2015-03-11 | 浙江诸暨利达环保设备有限公司 | A kind of electric cleaner access door |
| US20150108885A1 (en) * | 2013-10-18 | 2015-04-23 | Samsung Electronics Co., Ltd. | Dishwasher |
| CN204782621U (en) * | 2015-07-17 | 2015-11-18 | 厦门理工学院 | Double -deck manhole door |
-
2015
- 2015-07-17 CN CN201510420873.2A patent/CN105064881B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203394296U (en) * | 2013-06-20 | 2014-01-15 | 江苏亿金环保科技股份有限公司 | Double-heat insulation double-sealing overhaul door for box body on dust remover |
| US20150108885A1 (en) * | 2013-10-18 | 2015-04-23 | Samsung Electronics Co., Ltd. | Dishwasher |
| CN104074448A (en) * | 2014-07-17 | 2014-10-01 | 厦门佰瑞福环保科技有限公司 | Sealing structure of access door cover |
| CN204194136U (en) * | 2014-10-31 | 2015-03-11 | 浙江诸暨利达环保设备有限公司 | A kind of electric cleaner access door |
| CN204782621U (en) * | 2015-07-17 | 2015-11-18 | 厦门理工学院 | Double -deck manhole door |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503645A (en) * | 2017-09-05 | 2017-12-22 | 安徽机电职业技术学院 | Manhole door mechanism for electric cleaner |
| CN107503645B (en) * | 2017-09-05 | 2023-05-16 | 安徽机电职业技术学院 | Manhole door mechanism for electric dust remover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105064881B (en) | 2017-03-08 |
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Granted publication date: 20170308 Termination date: 20190717 |