CN203685292U - Explosion-proof door - Google Patents
Explosion-proof door Download PDFInfo
- Publication number
- CN203685292U CN203685292U CN201420060516.0U CN201420060516U CN203685292U CN 203685292 U CN203685292 U CN 203685292U CN 201420060516 U CN201420060516 U CN 201420060516U CN 203685292 U CN203685292 U CN 203685292U
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- China
- Prior art keywords
- door
- connecting rods
- doorframe
- connecting rod
- explosion
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000004880 explosion Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 210000000078 claw Anatomy 0.000 abstract 2
- 239000003245 coal Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model discloses an explosion-proof door which comprises a door body and a door frame. The door body is connected with the door frame through hinges, tightly adheres to a sealing strip of the door frame and compresses the sealing strip through a locking device, the locking device comprises a spindle, hand wheels are arranged at two ends of the spindle, the spindle is provided with a driving gear, the lower end of the driving gear is intersected and connected with a driven gear through a hinge pin, two sides of the driving gear are provided with secondary connecting rods, the upper and lower portions of the driving gear are provided with tertiary connecting rods, one end of each of the tertiary connecting rods at the upper and lower portions is connected to the secondary connecting rods through a hinge pin, the other end of each of the tertiary connecting rods is connected to a swing rod, the secondary connecting rods on two sides are connected with three swing rods, the swing rods are fixed on locking claws on a door board through rotating shafts, the driven gear is connected with the secondary connecting rods on two sides through two primary connecting rods respectively, and the door frame is provided with lock cavities tightly locked with the locking claws. The explosion-proof performance and the safety effect of the explosion-proof door are improved, the potential safety hazard of the explosion-proof door can be eliminated, and the explosion-proof door is simple in structure, safe and reliable.
Description
Technical field
The utility model relates to coalmine ventilation safety device, relates in particular to a kind of explosion proof door.
Background technology
In existing coalmine ventilation safety device, the door of ventilating shaft is the making of general common door form steel work, once run into the situation that well shooting occurs in colliery, explosion proof door is very easily destroyed or fly away from well head, explosion proof door cannot reset at short notice, will cause like this under coal mine and cannot recover within a short period of time to ventilate, thereby cannot exhale pernicious gases, allow the personnel of speedily carrying out rescue work lose and speedily carry out rescue work the relief time, also seriously jeopardized staff's life security under coal mine, cause the disaster after accident occurs to expand simultaneously.For this reason, colliery is used for the explosion proof door that has more safety that can reset in time of coalmine ventilation well in the urgent need to research and development.
In view of this, the inventor, for the above-mentioned defect further investigation of explosion proof door in prior art, has this case to produce then.
Utility model content
In order to overcome above shortcomings part in prior art, the purpose of this utility model is to provide a kind of door leaf survivable explosion proof door.
In order to reach above-mentioned object, the utility model adopts following concrete technical scheme:
Explosion proof door, comprise a body and doorframe, door body is connected with doorframe by hinge, described doorframe is provided with seal groove, in described seal groove, be provided with the weather strip mating with it, described door body is close to by locking device compression seal bar and doorframe, described locking device comprises the main shaft being arranged on a body and doorframe, handwheel is equipped with by securing member in the two ends of described main shaft, be positioned at a body inner side and be arranged on the driving gear on main shaft, the lower end of described driving gear is intersected by bearing pin and is connected with driven gear, the both sides of driving gear are equipped with the secondary connecting rod being parallel to each other, its top and the bottom are provided with three grades of connecting rods that are obliquely installed and are parallel to each other, three grades of connecting rod one end of top and the bottom are connected on secondary connecting rod by bearing pin, its other end connects fork, on the secondary connecting rod of both sides, be connected with three forks, fork is fixed on the locking jaw on door-plate by axis of rotation, between the secondary connecting rod of driven gear and both sides, be connected by two one-level connecting rods that are parallel to each other respectively, described doorframe is provided with and the lock chamber of locking pawl locking.
Enter a stage, the outside of locking device described in the utility model is provided with the door body guard shield that is arranged on a body.
Enter a stage, door body described in the utility model is provided with bearing support, and described main shaft is connected with the bearing-transmission in bearing support through bearing support, and is provided with sealing ring between main shaft and bearing support.
Enter a stage, on door body described in the utility model, be also provided with a visual window.
Enter a stage, handwheel described in the utility model is provided with assister bar.
The utility model advantage is compared with prior art: the utility model is for coal mine air-shaft, realize the self-resetting of explosion proof door, so just can recover within a short period of time to ventilate, speedily carry out rescue work in advance the time of succouring, reduce casualties, reduce the loss that accident causes, thereby greatly improved explosion-proof performance and the safety effect of explosion proof door, not only can eliminate the potential safety hazard of explosion proof door, and have advantages of simple in structure, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to structural representation;
Fig. 3 is that the B-B of Fig. 1 is to structural representation;
Fig. 4 is the I-I enlarged drawing of Fig. 3;
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The specific embodiment
In order further to explain the technical solution of the utility model, below by specific embodiment, the utility model is elaborated.
Embodiment 1:
Shown in Fig. 1, shown in Fig. 4, air tight door, comprises a body 1 and doorframe 2, and door body 1 is connected with doorframe 2 by hinge, this body 1 can rotate with the degree of freedom of 180 degree at hinge, reach a body 1 and all open on doorframe 2, doorframe 2 is provided with seal groove 3, is provided with the weather strip 4 mating with it in seal groove 3, door body 1 is adjacent to by locking device compression seal bar and doorframe 2, to reach airtight effect;
Described locking device comprises the main shaft 5 being arranged on a body 1 and doorframe 2, door body 1 is provided with bearing support 6, described main shaft 5 is in transmission connection through bearing support 6 and the bearing 7 in bearing support, and be provided with sealing ring 19 between main shaft 5 and bearing support 6, to reach airtight effect, the two ends of main shaft 5 have also been bolted handwheel 8, handwheel 8 is provided with assister bar 9, rotation can be realized more laborsaving, be positioned at a body 1 inner side and be arranged on the driving gear 10 on main shaft 5, the lower end of described driving gear 10 is intersected by bearing pin and is connected with driven gear 11, the left and right sides of driving gear 10 is equipped with the secondary connecting rod 12 being parallel to each other, its top and the bottom are provided with three grades of connecting rods 13 that are obliquely installed and are parallel to each other, three grades of connecting rod 13 one end on top by bearing pin be connected to left side secondary connecting rod on 12, its other end connects fork 14, three grades of connecting rod 13 one end of bottom are connected on the secondary connecting rod on right side 12 by bearing pin, its other end connects fork 14, on the secondary connecting rod 12 of the left and right sides, be connected with three forks 14, every fork 14 is fixed on the locking jaw 16 on door-plate 1 by axis of rotation 15, between the secondary connecting rod 12 in the upper end of driven gear 11 and left side, be connected by an one-level connecting rod 17, between the secondary connecting rod 12 on the lower end of driven gear 11 and right side, be connected by another root one-level connecting rod 17, two one-level connecting rod equal and opposite in directions are arranged in parallel, described doorframe 2 is provided with and the trapezoidal lock chamber 18 of locking the tight locking of pawl, the outside of described locking device is provided with the door body guard shield 20 being arranged on a body 1, can be by the accessories protecting in locking device, prevent from damaging and reaching aesthetic, on described door body 1, be also provided with a visual window 21, a situation arises can to observe outside by visual window 21, so that deal with in time.
The utility model operating principle: because door body 1 is connected with doorframe 2 by hinge, door body 1 can rotate with the degree of freedom of 180 degree at hinge, reach a body 1 all opens on doorframe 2, the weather strip 4 of this Men Tiyu doorframe is adjacent to, and show to realize a door body compression seal bar by locking device, to reach airtight effect.
When use, hold assister bar 9 and rotate handwheel 8, driving gear 10 drives driven gear 11 to rotate, driven gear 11 can pass to the power of rotation on the secondary connecting rod 12 of the left and right sides by one-level connecting rod 17, and secondary connecting rod 12 drivings of left and right the third side move up and down, drive three grades of connecting rods 14 of top and the bottom to swing, above-mentioned each connecting rod driving force is passed to locking jaw 16 simultaneously, and locking jaw 16 is realized certain angle and rotated on its axis of rotation; Locking jaw 16 in trapezoidal lock chamber 18 along on abrupt slope slide, can realize the action of each locking jaw synchronous, simultaneously in the sliding process of trapezoidal lock chamber, drive whole door body press seal bar 4 at each locking jaw 16.While opening the door, rotate backward handwheel, locking jaw skids off from trapezoidal lock chamber, and weather strip is shown consideration for and closed and fluff with door, in the time that locking jaw all exits from trapezoidal lock chamber, hauls or pushing hands wheel is realized and being opened the door simultaneously.
But the above-mentioned specific embodiment is exemplary, be to be the restriction that this patent is comprised to scope in order better to make those skilled in the art can understand this patent, can not to be interpreted as; As long as any being equal to done according to spirit that this patent discloses changes or modify, all fall into the scope that this patent comprises.
Claims (5)
1. explosion proof door, comprise a body and doorframe, door body is connected with doorframe by hinge, it is characterized in that: described doorframe is provided with seal groove, in described seal groove, be provided with the weather strip mating with it, described door body is close to by locking device compression seal bar and doorframe, described locking device comprises the main shaft being arranged on a body and doorframe, handwheel is equipped with by securing member in the two ends of described main shaft, be positioned at a body inner side and be arranged on the driving gear on main shaft, the lower end of described driving gear is intersected by bearing pin and is connected with driven gear, the both sides of driving gear are equipped with the secondary connecting rod being parallel to each other, its top and the bottom are provided with three grades of connecting rods that are obliquely installed and are parallel to each other, three grades of connecting rod one end of top and the bottom are connected on secondary connecting rod by bearing pin, its other end connects fork, on the secondary connecting rod of both sides, be connected with three forks, fork is fixed on the locking jaw on door-plate by axis of rotation, between the secondary connecting rod of driven gear and both sides, be connected by two one-level connecting rods that are parallel to each other respectively, described doorframe is provided with and the lock chamber of locking pawl locking.
2. explosion proof door as claimed in claim 1, is characterized in that: the outside of described locking device is provided with the door body guard shield that is arranged on a body.
3. explosion proof door as claimed in claim 1, is characterized in that: described door body is provided with bearing support, and described main shaft is connected with the bearing-transmission in bearing support through bearing support, and is provided with sealing ring between main shaft and bearing support.
4. explosion proof door as claimed in claim 1, is characterized in that: on described door body, be also provided with a visual window.
5. explosion proof door as claimed in claim 1, is characterized in that: described handwheel is provided with assister bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060516.0U CN203685292U (en) | 2014-02-10 | 2014-02-10 | Explosion-proof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060516.0U CN203685292U (en) | 2014-02-10 | 2014-02-10 | Explosion-proof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685292U true CN203685292U (en) | 2014-07-02 |
Family
ID=51007210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420060516.0U Expired - Fee Related CN203685292U (en) | 2014-02-10 | 2014-02-10 | Explosion-proof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685292U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616994A (en) * | 2019-07-23 | 2019-12-27 | 中国核工业华兴建设有限公司 | Fireproof watertight door |
| CN114352173A (en) * | 2022-01-10 | 2022-04-15 | 北京博鲁斯潘精密机床有限公司 | Structure of anti-seismic flood-proof explosion-proof door in manufacturing workshop of precise ultra-precise numerical control machine tool |
-
2014
- 2014-02-10 CN CN201420060516.0U patent/CN203685292U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616994A (en) * | 2019-07-23 | 2019-12-27 | 中国核工业华兴建设有限公司 | Fireproof watertight door |
| CN114352173A (en) * | 2022-01-10 | 2022-04-15 | 北京博鲁斯潘精密机床有限公司 | Structure of anti-seismic flood-proof explosion-proof door in manufacturing workshop of precise ultra-precise numerical control machine tool |
| CN114352173B (en) * | 2022-01-10 | 2024-04-23 | 北京博鲁斯潘精密机床有限公司 | Structure of anti-seismic, flood-control and explosion-proof door of precise ultra-precise numerical control machine tool manufacturing workshop |
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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: 20140702 Termination date: 20150210 |
|
| EXPY | Termination of patent right or utility model |