CN213597799U - Access door for air pipe equipment - Google Patents
Access door for air pipe equipment Download PDFInfo
- Publication number
- CN213597799U CN213597799U CN202021695369.6U CN202021695369U CN213597799U CN 213597799 U CN213597799 U CN 213597799U CN 202021695369 U CN202021695369 U CN 202021695369U CN 213597799 U CN213597799 U CN 213597799U
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- door frame
- access door
- tuber pipe
- gasket
- wall
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Abstract
The utility model discloses an access door for tuber pipe equipment, it includes the tuber pipe outer wall, the tuber pipe outer wall is equipped with the access hole, tuber pipe outer wall left side is equipped with the door frame, be equipped with gasket group between door frame and the tuber pipe outer wall, door frame, gasket group, tuber pipe outer wall evenly distributed fixed orifices all around, door frame and gasket group closely fix on the tuber pipe outer wall through the bolt in proper order, the articulated access door that is equipped with in door frame one side, be equipped with locking device on the access door. The advantages are that: the sealing device is simple in structure, tight in sealing, convenient and reliable to open and close, and easy to detach and replace the sealing element.
Description
Technical Field
The utility model relates to a prevent smoke exhaust tuber pipe equipment field specifically indicates an access door for tuber pipe equipment.
Background
The ventilation pipeline is a metal or composite pipeline for ventilation, air conditioning engineering and smoke prevention and exhaust of industrial and civil buildings, and is an essential infrastructure for circulating air and reducing the concentration of harmful gases; the smoke prevention and exhaust pipeline is an important facility for guaranteeing the life and building safety of people, and a smoke prevention and exhaust system generally comprises a ventilation pipeline, a pipe well, a fire valve, a smoke exhaust fire valve, switching equipment, a blower, a smoke exhaust fan and the like; prevent that the flue gas pipeline all has higher requirement to the amount of wind that leaks of pipeline, wherein the access door on fire prevention valve and the flue gas fire prevention valve that discharges fume is the key position that leaks out, all need periodic inspection and maintenance, if it wastes time and energy very inconveniently to demolish whole section flue gas pipeline during inspection and maintenance, and among the prior art, ageing seal gasket glues easily on sealed face, difficult clearance, so one kind is conveniently opened, be convenient for the inspection, overhaul the change, it is sealed tight, tuber pipe equipment with the access door urgent need the research.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a simple structure, conveniently open, sealed firm, excellent in use effect's an access door for tuber pipe equipment.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides an access door for tuber pipe equipment, it includes the tuber pipe outer wall, the tuber pipe outer wall is equipped with the access hole, tuber pipe outer wall left side is equipped with the door frame, be equipped with gasket group between door frame and the tuber pipe outer wall, door frame, gasket group, tuber pipe outer wall evenly distributed fixed orifices all around, door frame and gasket group closely fix on the tuber pipe outer wall through the bolt in proper order, the articulated access door that is equipped with in door frame one side, be equipped with locking device on the access door.
The gasket group comprises a paper gasket I, a rubber gasket and a paper gasket II which are sequentially arranged, and sealant is coated between the paper gasket I, the rubber gasket and the paper gasket II or between the paper gasket I, the rubber gasket and the paper gasket II and the outer wall of the air pipe and the door frame. Adopt multilayer seal structure, the clearance of tuber pipe outer wall and door frame when being favorable to changing ageing rubber gasket is sealed gluey sealed effect that is favorable to strengthening sealed face.
The size of the access hole and the size of the opening of the gasket group are the same as the size of the door frame. The access door is favorably fixed on the outer wall of the air pipe.
The inner frame of the door frame is provided with a sealing edge protruding out of the plane of the door frame, and the outer side of the sealing edge is provided with a sealing strip. The raised sealing edge is matched with the sealing strip to be beneficial to sealing the opening and closing component sealing door.
The locking device comprises a pressing rod, a connecting hole is formed in the lower end of the pressing rod, the locking device is hinged to the lower side of the door frame through the connecting hole, two sections of fixed notched cylinders are arranged in the middle of the pressing rod, the pressing rod extrudes the access door through the notched cylinders, a hasp is arranged at the upper end of the pressing rod, and a hook matched with the hasp is arranged on the upper side of the door frame. The pressure bar can compress tightly the door through the incision cylinder and be favorable to keeping sealed effect, and the hasp design is favorable to opening fast and closes the access door.
The hasp comprises a bottom plate, the bottom plate is provided with a screw hole for connecting a pressure rod, the bottom plate is hinged with a handle, a rotating shaft is hinged with a through handle, through holes are formed in two ends of the rotating shaft and penetrate through the through holes in the two ends of the rotating shaft, the through holes are provided with retaining rings, the retaining rings are U-shaped, threads are arranged at two ends of the retaining rings, and upper limit nuts and lower limit nuts are arranged on the threads. The retaining ring with adjustable screw threads is adopted, so that the fastening degree can be adjusted.
The vertical section of the sealing strip is of a male shape, and a groove for mounting the sealing strip is formed in the sealing edge. The shape of the sealing strip is beneficial to elastic deformation of the sealing strip to increase sealing force when the access door is pressed.
The vertical section of the access door is in a boss shape, and the outer edge of the boss is buckled outside the sealing edge. The protection to the sealing surface is improved.
Compared with the prior art, the utility model the advantage lie in: the sealing device is simple in structure, tight in sealing, convenient and reliable to open and close, and easy to detach and replace the sealing element.
Drawings
Fig. 1 is an exploded view of an access door for an air duct device of the present invention.
Fig. 2 is the utility model relates to a depression bar schematic diagram under access door user state for tuber pipe equipment.
Fig. 3 is the utility model relates to a depression bar vertical cross section schematic diagram under tuber pipe equipment access door user state.
Fig. 4 is the utility model relates to a vertical cross-section schematic diagram of access door sealing strip for tuber pipe equipment.
Fig. 5 is the utility model discloses an air pipe equipment is with access door hasp structure sketch map.
As shown in the figure: 1. the air duct outer wall, 2, an access hole, 3, a door frame, 4, a gasket group, 5, a fixing hole, 6, an access door, 7, a locking device, 8, a first paper gasket, 9, a rubber gasket, 10, a second paper gasket, 11, a sealing edge, 12, a sealing strip, 13, a pressure rod, 14, a connecting hole, 15, a cut cylinder, 16, a hasp, 17, a hook, 18, a bottom plate, 19, a screw hole, 20, a handle, 21, a rotating shaft, 22, a snap ring, 23, an upper limit nut, 24, a lower limit nut, 25 and a groove,
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The utility model provides an access door for tuber pipe equipment, it includes tuber pipe outer wall 1, tuber pipe outer wall 1 is equipped with access hole 2, 1 left sides of tuber pipe outer wall are equipped with door frame 3, be equipped with gasket group 4 between door frame 3 and the tuber pipe outer wall 1, gasket group 4 is including the paper gasket one 8, rubber gasket 9, two 10 of paper gasket that set gradually, paper gasket one 8, rubber gasket 9, two 10 between two liang of paper gasket or with tuber pipe outer wall 1, door frame 3 between all scribble sealed glue. In actual use, the sealant is not coated too thickly, so that the gasket group can be tightly attached; door frame 3, gasket group 4, tuber pipe outer wall 1 evenly distributed fixed orifices 5 all around, door frame 3 and gasket group 4 closely fix on tuber pipe outer wall 1 through the bolt in proper order, access hole 2, 4 trompil sizes of gasket group are the same with 3 sizes of door frame, 3 one side hinges and is equipped with access door 6, access door 6 erects the cross-section and is the boss shape, and the boss is outer along the lock outside sealed edge 11, be equipped with locking device 7 on the access door 6.
The inner frame of the door frame 3 is provided with a sealing edge 11 protruding from the plane of the door frame 3, and the outer side of the sealing edge 11 is provided with a sealing strip 12; the vertical section of the sealing strip 12 is of a male shape, and a groove 25 for mounting the sealing strip 12 is formed in the sealing edge 11. The description only takes the "marquise" sealing strip as an example, and in practical use, the sealing strip 12 with elasticity can be used instead, and the fixing mode of the sealing strip and the groove 25 is not limited to the fixing mode of the description.
The locking device 7 comprises a pressing rod 13, a connecting hole 14 is formed in the lower end of the pressing rod 13, two sections of fixed notched cylinders 15 are arranged in the middle of the pressing rod 13, the pressing rod 13 extrudes the access door 6 through the notched cylinders 15, a hasp 16 is arranged at the upper end of the pressing rod 13, a hook 17 matched with the hasp 16 is arranged on the upper side of the door frame 3, and the locking device 7 is hinged to the lower side of the door frame 3 through the connecting hole 14. When in use, after the access door is closed, the access door is pressed tightly by using the locking device 7, and the locking device is fixed by the hasp 16 so as to close the access door.
The hasp 16 comprises a bottom plate 18, a screw hole 19 for connecting the pressure rod 13 is formed in the bottom plate 18, a handle 20 is hinged to the bottom plate 18, a rotating shaft 21 is hinged to the through handle 20, through holes are formed in two ends of the rotating shaft 21, retaining rings 22 are arranged through the through holes in the two ends, the retaining rings 22 are U-shaped, threads are arranged at two ends of the retaining rings 22, and upper limit nuts 23 and lower limit nuts 24 are arranged on the threads. When in use, the hasp 16 is fixed at the upper end of the pressure bar, when the handle 20 is lifted, the retaining ring 22 can extend for a certain distance, the retaining ring 22 can be buckled on the hook 17 when extending, and then the handle 20 is pressed down and the retaining ring 22 is pulled back at the same time, so that the buckling of the hasp can be realized; the fastening degree of the hasp can be adjusted by adjusting the positions of the upper limit nut 23 and the lower limit nut 24 on the retaining ring when in use.
During the use, access door 6 is articulated with door frame 3 one side, locking device 7 lower extreme is articulated in door frame 3 downside, turn down locking device 7 when opening access door 6, be favorable to opening and shutting fast of access door 6, when overhauing and finishing, access door 6 closes, lift locking device 7, it has the round 15 post extrusion access door 6 to utilize depression bar 13 and incision, it is sealed to make access door 6 closely laminate with sealing strip 12, it is fixed with locking device 7 to use hasp 16 of locking device 7 upper end, realize the quick closeness of access door 6 and seal, if discover during the use that access door 6 air leakage volume exceeds the regulation requirement, can adjust locking device's fastening degree through buckle 22 on hasp 16.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (8)
1. The utility model provides an access door for tuber pipe equipment which characterized in that: it includes tuber pipe outer wall (1), tuber pipe outer wall (1) is equipped with access hole (2), tuber pipe outer wall (1) left side is equipped with door frame (3), be equipped with gasket group (4) between door frame (3) and tuber pipe outer wall (1), door frame (3), gasket group (4), tuber pipe outer wall (1) evenly distributed fixed orifices (5) all around, door frame (3) and gasket group (4) closely fix on tuber pipe outer wall (1) through the bolt in proper order, door frame (3) one side is articulated to be equipped with access door (6), be equipped with locking device (7) on access door (6).
2. The access door for the duct equipment according to claim 1, wherein: the gasket group (4) comprises a paper gasket I (8), a rubber gasket 9 and a paper gasket II (10) which are sequentially arranged, and sealant is coated between every two of the paper gasket I (8), the rubber gasket (9) and the paper gasket II (10) or between the paper gasket I (8), the rubber gasket (9) and the paper gasket II (10) and the outer wall (1) of the air pipe and the door frame (3).
3. The access door for the duct equipment according to claim 1, wherein: the size of the opening of the access hole (2) and the size of the opening of the gasket group (4) are the same as the size of the opening of the door frame (3).
4. The access door for the duct equipment according to claim 1, wherein: the inner frame of the door frame (3) is provided with a sealing edge (11) protruding out of the plane of the door frame (3), and a sealing strip (12) is arranged on the outer side of the sealing edge (11).
5. The access door for the duct equipment according to claim 1, wherein: locking device (7) include depression bar (13), depression bar (13) lower extreme is equipped with connecting hole (14), locking device (7) articulate in door frame (3) downside through connecting hole (14), depression bar (13) middle part is equipped with two sections fixed incision cylinders (15), and depression bar (13) pass through incision cylinder (15) extrusion access door (6), depression bar (13) upper end is equipped with hasp (16), door frame (3) upside is equipped with couple (17) with hasp (16) complex.
6. The access door for air duct equipment according to claim 5, wherein: hasp (16) include bottom plate (18), be equipped with screw hole (19) that are used for connecting depression bar (13) on bottom plate (18), articulated handle (20) of being equipped with is gone up in bottom plate (18), runs through handle (20) and articulates and is equipped with pivot (21), and pivot (21) both ends are equipped with the through-hole, passes both ends through-hole is equipped with buckle (22), buckle (22) are the U-shaped, the both ends of buckle (22) are equipped with the screw thread, be equipped with upper limit nut (23) and lower limit nut (24) on the screw thread.
7. The access door for air duct equipment according to claim 4, wherein: the sealing strip (12) is of a long-square shape in vertical section, and a groove (25) for mounting the sealing strip (12) is formed in the sealing edge (11).
8. The access door for the duct equipment according to claim 1, wherein: the vertical section of the access door (6) is in a boss shape, and the outer edge of the boss is buckled outside the sealing edge (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695369.6U CN213597799U (en) | 2020-08-14 | 2020-08-14 | Access door for air pipe equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695369.6U CN213597799U (en) | 2020-08-14 | 2020-08-14 | Access door for air pipe equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213597799U true CN213597799U (en) | 2021-07-02 |
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ID=76585117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021695369.6U Active CN213597799U (en) | 2020-08-14 | 2020-08-14 | Access door for air pipe equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213597799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033266A (en) * | 2021-11-02 | 2022-02-11 | 无锡中微掩模电子有限公司 | Feeding cavity door inserting device for mask repairing machine |
-
2020
- 2020-08-14 CN CN202021695369.6U patent/CN213597799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033266A (en) * | 2021-11-02 | 2022-02-11 | 无锡中微掩模电子有限公司 | Feeding cavity door inserting device for mask repairing machine |
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