CN205135339U - Dust remover manhole door seal structure - Google Patents
Dust remover manhole door seal structure Download PDFInfo
- Publication number
- CN205135339U CN205135339U CN201520934554.9U CN201520934554U CN205135339U CN 205135339 U CN205135339 U CN 205135339U CN 201520934554 U CN201520934554 U CN 201520934554U CN 205135339 U CN205135339 U CN 205135339U
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- CN
- China
- Prior art keywords
- pinion
- connecting rod
- rotating shaft
- rocking bar
- gear wheel
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a dust remover manhole door seal structure, relates to the dust remover. Be equipped with qianmen, back door, box, door handle, handle, gear wheel, pinion, big gear rotor shaft, little gear rotor shaft, big gear rotor shaft dead lever, little gear rotor shaft dead lever, thrust bearing, left rocker, right rocker, connecting rod, left rocker connecting rod connecting axle, pinion connecting rod connecting axle, left rocker pivot, left rocker pivot dead lever and sealing strip. When closing the door, usable four -bar linkage's dead center position and gear complementary unit compress tightly the sealing strip, and four bar mechanism's connecting rod and right rocker collineation are located dead center position just, can bear great pressure and thrust and are not destroyed, have guaranteed the leakproofness of door. When opening the door, utilize gear complementary unit to reach the mesh that destroys the dead point. The switch is simple and convenient, the leakproofness well and more high temperature resistant than the existing product, resistant negative pressure, corrosion -resistant.
Description
Technical field
The utility model relates to deduster, especially relates to a kind of deduster manhole door hermetically-sealed construction.
Background technology
In order to electrostatic precipitator inside can be entered when shutdown maintenance, generally double-deck manhole door is set on electrostatic precipitator housing.During operation, manhole door and electrostatic precipitator housing need strictly to seal.At present, electrostatic precipitator manhole door generally arranges double-deck square manhole door, generally adopt bolt and buckle to fix, switch need use spanner, and use procedure often occurs that switch is not in place, the phenomenons such as the aging corrosion of weather strip cause poorly sealed, adopt the conventional seals such as asbestos packing or silicon rubber strip material to seal between door and frame, prevent from revealing and corrosion, sealing does not reach requirement, outer door is hollow-core construction, inner filling heat-preservation cotton.
Chinese patent CN201420189836.6 discloses a kind of manhole door hermetically-sealed construction of dust arrester, and this patent adopts nut to carry out press seal with coordinating of bolt to casing.But this device exists some drawbacks, such as: crushing resistance is poor, the easy senile abrasion of equipment, switch needs instrument.When the normal pressure in casing or negative pressure excessive time, can active force be produced between the screw thread of fastening bolts and nuts, the abrasion deformation of screw thread may be caused, or even the distortion of casing.Secondly, need spanner to carry out loose nut when opening the door, and in long-term use, the wearing and tearing of screw thread can be caused, thus poorly sealed.
Chinese patent CN201220030534 discloses a kind of double-deck manhole door structure, external door is connected on housing by eyelet bolt and handle, be characterized as on housing and a doorframe coordinated with external door is set, arrange an inside door inside doorframe, inside door edge is provided with the slot corresponding matching arranged in one group of junction plate and doorframe.This scheme does not consider the pressure change inside and outside casing, if larger once pressure difference inside and outside casing, the screw thread of the bolt of casing is easy to be worn, and causes device aging, thus affects the sealing of product.
Summary of the invention
It is simple that the purpose of this utility model is to provide structure, effectively can realize a kind of deduster manhole door hermetically-sealed construction sealed.
The utility model is provided with Qianmen, back door, casing, door handle, handle, gear wheel, pinion, gear wheel rotating shaft, pinion rotating shaft, gear wheel rotating shaft fixed bar, pinion rotating shaft fixed bar, thrust bearing, left rocking bar, right rocking bar, connecting rod, left rocker arm connecting rod connecting axle, pinion connecting rod shaft, left rocking bar rotating shaft, left rocking bar rotating shaft fixed bar and weather strip; Described left rocking bar, right rocking bar and connecting rod form quadric chain, and handle, gear wheel and pinion form gear auxiliary body; Qianmen and back door are matched with the two sides, front and back of casing respectively; Gear wheel engages with pinion, gear wheel realizes shaft hole matching by thrust bearing and gear wheel rotating shaft, thrust bearing internal diameter and gear wheel rotating shaft adopt interference fit, the hole of thrust bearing external diameter and gear wheel adopts interference fit, gear wheel can around gear wheel axis of rotation, and by being fixed on casing by gear wheel rotating shaft fixed bar; Pinion realizes shaft hole matching by bearing and pinion rotating shaft, and pinion is fixed on casing by pinion rotating shaft fixed bar, and pinion can around pinion axis of rotation; Connecting rod two ends connect pinion and left rocking bar respectively, and connecting rod one end is connected with bearing by pinion connecting rod shaft with pinion, are connected between pinion connecting rod shaft with pinion rotating shaft by right rocking bar; The connecting rod other end and left rocking bar are then connected with bearing by left rocker arm connecting rod connecting axle; Left rocking bar one side is connected in Qianmen on the surface, bearing fit is passed through with left rocker arm connecting rod connecting axle, left rocking bar rotating shaft respectively in two holes be located on left rocking bar, and left rocking bar rotating shaft is fixed on casing by left rocking bar rotating shaft fixed bar, the rotation of left rocking bar can drive Qianmen to rotate; Often fanning in the coordinating of door and casing, the mechanism be made up of gear auxiliary body and quadric chain realizes the folding of door, and weather strip is embedded in casing surrounding groove; Wherein handle drives bull gear drive, and gear wheel engages with pinion thus realizes the rotation of pinion with larger gearratio, and pinion is connected with connecting rod by pinion connecting rod shaft, drives whole parallel motion, thus realizes the rotation of casing; At closing time, utilize the dead-centre position of four-bar linkage structure and gear auxiliary body to compress weather strip, the connecting rod of quadric chain and right rocking bar conllinear, be positioned at dead-centre position just, larger pressure and thrust can be born and be not destroyed, ensure that the sealing of door; Mounting handle on gear wheel, during enabling, utilizes gear auxiliary body, i.e. turning handle, makes that the large gear turn the small gear and rotates, to reach the object destroying dead point; Door handle is located on Qianmen.
The profile of described left rocking bar can be a large triangular prism being parallel on incline direction and engraves a little triangular prism and two holes, and on three inclines chamfering.
Described weather strip can adopt metal-rubber weather strip, anticorrosive, anti-aging, high temperature resistant, the resistance to negative pressure of metal-rubber.
The utility model at closing time, the dead-centre position of quadric chain and gear auxiliary body can be utilized to compress weather strip, and the connecting rod of four-bar linkage structure and right rocking bar conllinear, be positioned at dead-centre position just, larger pressure and thrust can be born and be not destroyed, ensure that the sealing of door.During enabling, utilize gear auxiliary body, to reach the object destroying dead point.The utility model switch is easy, good airproof performance and more high temperature resistant than existing product, resistance to negative pressure, corrosion-resistant.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model embodiment.
Fig. 2 is the structural representation after the utility model embodiment opens front/rear door.
Fig. 3 is dead-centre position and the gear auxiliary body schematic diagram of the utility model embodiment four-bar linkage structure.
Fig. 4 is the principle schematic of the utility model embodiment manhole door switch (dead-centre position).
Fig. 5 is the principle schematic of the utility model embodiment manhole door switch (non-dead-centre position).
Detailed description of the invention
Following examples will the utility model is described in further detail by reference to the accompanying drawings.
See Fig. 1 ~ 5, the utility model embodiment is provided with Qianmen 14, back door 18, casing 16, door handle 15, handle 1, gear wheel 2, pinion 7, gear wheel rotating shaft 4, pinion rotating shaft 13, gear wheel rotating shaft fixed bar 3, pinion rotating shaft fixed bar 6, thrust bearing 5, left rocking bar 11, right rocking bar 20, connecting rod 10, left rocker arm connecting rod connecting axle 12, pinion connecting rod shaft 9, left rocking bar rotating shaft 19, left rocking bar rotating shaft fixed bar 8 and weather strip 17; Described left rocking bar 11, right rocking bar 20 and connecting rod 10 form quadric chain, and handle 1, gear wheel 2 and pinion 7 form gear auxiliary body; Qianmen 14 and back door 18 are matched with the two sides, front and back of casing 16 respectively; Gear wheel 2 engages with pinion 7, gear wheel 2 realizes shaft hole matching by thrust bearing 5 and gear wheel rotating shaft 4, thrust bearing 5 internal diameter and gear wheel rotating shaft 4 adopt interference fit, the hole of thrust bearing 5 external diameter and gear wheel 2 adopts interference fit, gear wheel 2 can rotate around gear wheel rotating shaft 4, and by being fixed on casing 16 by gear wheel rotating shaft fixed bar 3; Pinion 7 realizes shaft hole matching by bearing and pinion rotating shaft 13, and pinion 7 is fixed on casing 16 by pinion rotating shaft fixed bar 6, and pinion 7 can rotate around pinion rotating shaft 13; Connecting rod 10 two ends connect pinion 7 and left rocking bar 11 respectively, and connecting rod 10 one end is connected with bearing by pinion connecting rod shaft 9 with pinion 7, are connected between pinion connecting rod shaft 9 with pinion rotating shaft 13 by right rocking bar 20; Connecting rod 10 other end is connected with bearing by left rocker arm connecting rod connecting axle 12 with left rocking bar 11; Left rocking bar 11 1 side is connected in Qianmen 14 on the surface, bearing fit is passed through with left rocker arm connecting rod connecting axle 12, left rocking bar rotating shaft 19 respectively in two holes be located on left rocking bar 11, and left rocking bar rotating shaft 19 is fixed on casing 16 by left rocking bar rotating shaft fixed bar 8, the rotation of left rocking bar 11 can drive Qianmen 14 to rotate; Often fanning in the coordinating of door and casing, the mechanism be made up of gear auxiliary body and quadric chain realizes the folding of door, and weather strip 17 is embedded in casing 16 surrounding groove; Wherein handle 1 drives gear wheel 2 to rotate, gear wheel 2 engages with pinion 7 thus realizes the rotation of pinion with larger gearratio, pinion 7 is connected with connecting rod 10 by pinion connecting rod shaft 9, drives whole parallel motion, thus realizes the rotation of casing; At closing time, utilize the dead-centre position of four-bar linkage structure and gear auxiliary body to compress weather strip, the connecting rod of quadric chain and right rocking bar conllinear, be positioned at dead-centre position just, larger pressure and thrust can be born and be not destroyed, ensure that the sealing of door; Mounting handle on gear wheel, during enabling, utilizes gear auxiliary body, i.e. turning handle, makes that the large gear turn the small gear and rotates, to reach the object destroying dead point; Door handle 15 is located on Qianmen 14.
The profile of described left rocking bar 11 can be a large triangular prism being parallel on incline direction and engraves a little triangular prism and two holes, and on three inclines chamfering,
Described weather strip 17 can adopt metal-rubber weather strip, anticorrosive, anti-aging, high temperature resistant, the resistance to negative pressure of metal-rubber.
Fig. 3 is dead-centre position and the gear auxiliary body schematic diagram of the utility model embodiment four-bar linkage structure, mounting handle 1 on gear wheel 2, the turning handle 1 when opening the door, and gear wheel 2 drives pinion 7 to rotate, and then drives casing 14 to rotate, to reach the object of enabling.
Figure 4 and 5 are the principle schematic of the utility model embodiment manhole door switch.
At closing time, the connecting rod 10 of four-bar linkage structure and right rocking bar 20 conllinear, make the quadric chain be connected with casing just be positioned at dead-centre position, now due to dead-centre position, casing can bear larger pressure and thrust, closed form can not be destroyed, ensure that the sealing of door.During enabling, utilize gear auxiliary body, i.e. turning handle 1, gear wheel 2 is rotated, and pinion mate 7 rotates simultaneously, and the right rocking bar 20 achieved in double leval jib rotates, thus destroy the dead-centre position of double leval jib, the rotation at Qianmen 14 can be realized, to reach the object of enabling.
Claims (1)
1. a deduster manhole door hermetically-sealed construction, is characterized in that being provided with Qianmen, back door, casing, door handle, handle, gear wheel, pinion, gear wheel rotating shaft, pinion rotating shaft, gear wheel rotating shaft fixed bar, pinion rotating shaft fixed bar, thrust bearing, left rocking bar, right rocking bar, connecting rod, left rocker arm connecting rod connecting axle, pinion connecting rod shaft, left rocking bar rotating shaft, left rocking bar rotating shaft fixed bar and weather strip; Described left rocking bar, right rocking bar and connecting rod form quadric chain, and handle, gear wheel and pinion form gear auxiliary body; Qianmen and back door are matched with the two sides, front and back of casing respectively; Gear wheel engages with pinion, gear wheel realizes shaft hole matching by thrust bearing and gear wheel rotating shaft, thrust bearing internal diameter and gear wheel rotating shaft adopt interference fit, the hole of thrust bearing external diameter and gear wheel adopts interference fit, gear wheel can around gear wheel axis of rotation, and by being fixed on casing by gear wheel rotating shaft fixed bar; Pinion realizes shaft hole matching by bearing and pinion rotating shaft, and pinion is fixed on casing by pinion rotating shaft fixed bar, and pinion can around pinion axis of rotation; Connecting rod two ends connect pinion and left rocking bar respectively, and connecting rod one end is connected with bearing by pinion connecting rod shaft with pinion, are connected between pinion connecting rod shaft with pinion rotating shaft by right rocking bar; The connecting rod other end and left rocking bar are then connected with bearing by left rocker arm connecting rod connecting axle; Left rocking bar one side is connected in Qianmen on the surface, bearing fit is passed through with left rocker arm connecting rod connecting axle, left rocking bar rotating shaft respectively in two holes be located on left rocking bar, and left rocking bar rotating shaft is fixed on casing by left rocking bar rotating shaft fixed bar, the rotation of left rocking bar can drive Qianmen to rotate; Often fanning in the coordinating of door and casing, the mechanism be made up of gear auxiliary body and quadric chain realizes the folding of door, and weather strip is embedded in casing surrounding groove; Wherein handle drives bull gear drive, and gear wheel engages with pinion thus realizes the rotation of pinion with larger gearratio, and pinion is connected with connecting rod by pinion connecting rod shaft, drives whole parallel motion, thus realizes the rotation of casing; At closing time, utilize the dead-centre position of four-bar linkage structure and gear auxiliary body to compress weather strip, the connecting rod of quadric chain and right rocking bar conllinear, be positioned at dead-centre position just, larger pressure and thrust can be born and be not destroyed, ensure that the sealing of door; Mounting handle on gear wheel, during enabling, utilizes gear auxiliary body, i.e. turning handle, makes that the large gear turn the small gear and rotates, to reach the object destroying dead point; Door handle is located on Qianmen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934554.9U CN205135339U (en) | 2015-11-20 | 2015-11-20 | Dust remover manhole door seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934554.9U CN205135339U (en) | 2015-11-20 | 2015-11-20 | Dust remover manhole door seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205135339U true CN205135339U (en) | 2016-04-06 |
Family
ID=55621146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520934554.9U Expired - Fee Related CN205135339U (en) | 2015-11-20 | 2015-11-20 | Dust remover manhole door seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205135339U (en) |
-
2015
- 2015-11-20 CN CN201520934554.9U patent/CN205135339U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20181120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |