CN215803920U - Mechanical airtight door pressing mechanism - Google Patents
Mechanical airtight door pressing mechanism Download PDFInfo
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- CN215803920U CN215803920U CN202122053807.XU CN202122053807U CN215803920U CN 215803920 U CN215803920 U CN 215803920U CN 202122053807 U CN202122053807 U CN 202122053807U CN 215803920 U CN215803920 U CN 215803920U
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Abstract
The utility model discloses a mechanical airtight door pressing mechanism which is arranged on a door main body and a wall body and comprises an upper bolt rod, a bolt rod linking shaft, an upper pushing rod, a middle bolt rod, a middle pushing rod, a lower bolt rod, a lower pushing rod, a pinion, a gearwheel, a handle and a rotary positioning rod, wherein the bolt rod is arranged on the upper bolt rod; the wall body is provided with an upper bolt groove, an intermediate bolt groove and a lower bolt groove respectively, the top end of the upper bolt rod is fixed in the upper bolt groove, the bottom end of the upper bolt rod is connected with an upper push rod through a bolt rod linking shaft, the front end of the intermediate bolt rod is fixed in the intermediate bolt groove, the rear end of the intermediate bolt rod is connected with the intermediate push rod through a bolt rod linking shaft, the bottom end of the lower bolt rod is fixed in the lower bolt groove, and the top end of the lower bolt rod is connected with the lower push rod through a bolt rod linking shaft. The mechanical airtight door pressing mechanism can effectively meet the air tightness requirement of an escape door or a buffering door, is attractive in overall appearance, and can realize quick escape.
Description
Technical Field
The utility model relates to the field of machine manufacturing, in particular to a mechanical airtight door pressing mechanism.
Background
The mechanical airtight door pressing mechanism is used for mechanical airtight door pressing, escape exits and other devices in areas with biological and chemical protection requirements, such as isolation wards of hospitals, toxic plants and other areas needing strict isolation, and is widely applied to clean rooms needing biochemical isolation, toxic isolation and germ isolation.
The conventional pressing mechanism is mainly a spiral pressing mechanism, such as a jack, and has the defects of low movement speed of clamping and loosening, low efficiency and inapplicability to emergency state of using the escape door.
A pressing mechanism of a mechanical airtight door, which effectively meets the requirement of air tightness, is beautiful and can rapidly escape, is needed to solve the technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a mechanical airtight door pressing mechanism which can effectively meet the air tightness requirement of an escape door or a buffer door, is attractive in overall appearance, can realize quick escape, ensures the life health and safety of workers and avoids the spreading threat of biochemical viruses.
The utility model solves the technical problems by the following technical scheme:
the utility model provides a mechanical airtight door pressing mechanism which is arranged on a door main body and a wall body and comprises an upper bolt rod, a bolt rod linking shaft, an upper pushing rod, a middle bolt rod, a middle pushing rod, a lower bolt rod, a lower pushing rod, a pinion, a gearwheel, a handle and a rotary positioning rod, wherein the bolt rod is arranged on the upper bolt rod; an upper bolt groove, an upper plug pin groove and a lower bolt groove are respectively formed in the wall body, the top end of the upper plug pin rod is fixed in the upper bolt groove, the bottom end of the upper plug pin rod is connected with the upper pushing rod through a plug pin rod linking shaft, the front end of the upper plug pin rod is fixed in the upper plug pin groove, the rear end of the upper plug pin rod is connected with the middle pushing rod through the plug pin rod linking shaft, the bottom end of the lower plug pin rod is fixed in the lower plug pin groove, and the top end of the lower plug pin rod is connected with the lower pushing rod through the plug pin rod linking shaft; the bottom end of the upper pushing rod is fixed on the bull gear, the rear end of the middle pushing rod is fixed on the bull gear, and the top end of the lower pushing rod is fixed on the bull gear; the large gear is meshed with the small gear, the handle is fixed on the small gear, and the handle is fixed on the large gear in a rotating and positioning mode; the pinion gear and the bull gear are mounted on the door body.
In the utility model, the upper latch rod, the middle latch rod and the lower latch rod have the same function and all realize the fixation of the whole mechanism in the wall body;
preferably, the upper latch rod and the lower latch rod have the same length;
preferably, the upper latch rod and the lower latch rod are located on the same vertical line.
In the present invention, the latch rod linking shaft is used to realize the linking between the latch rod and the push rod at the respective positions, and the latch rod linking shaft is conventional in the art.
In the utility model, the upper push rod, the middle push rod and the lower push rod are respectively used for driving the upper latch rod, the middle latch rod and the lower latch rod to displace;
preferably, the upper push rod and the lower push rod have the same length.
In the utility model, the small gear and the large gear are meshed and connected and are matched with a handle to drive push rods at respective positions to move, and the small gear and the large gear are conventional in the field;
preferably, the distance between the large gear and the top end of the door main body is the same as the distance between the large gear and the bottom end of the door main body.
In the utility model, the handle is used for realizing the rotation of the pinion;
preferably, the handle is a telescopic rod, and operation of operators at different positions can be realized.
In the utility model, the rotary positioning is used for realizing the limit of the rotation of the large gear so as to control the extension and retraction amplitude of the push rods at respective positions.
In the utility model, the upper bolt groove, the middle bolt groove and the lower bolt groove are used for realizing the extension and contraction of bolt rods at respective positions in the upper bolt groove, the middle bolt groove and the lower bolt groove;
preferably, the upper bolt groove, the middle bolt groove and the lower bolt groove have the same structure, and the upper bolt groove is a trapezoidal groove.
The working principle of the mechanical airtight door pressing mechanism of the utility model is as follows: the handle is rotated to the manual work, drives the rotation of pinion, drives the rotation of gear wheel, drives the flexible of fixing last catch bar, well catch bar and lower catch bar above it, and then drives the flexible of bolt pole, well catch bar and lower bolt pole, realizes opening and shutting of door main part.
The positive progress effect of the utility model is as follows: according to the mechanical airtight door pressing mechanism, the three bolt rods are arranged, so that the door body is uniformly stressed, the door is effectively prevented from deforming, and the force application requirement is greatly reduced by driving the large gear by the small gear; the device can effectively meet the air tightness requirement of the escape door or the buffering door, is attractive in whole, can realize quick escape, ensures the life health and safety of workers, and avoids the spreading threat of biochemical viruses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a mechanical air tight door hold down mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an upper plug groove of a mechanical air-tight door pressing mechanism according to an embodiment of the utility model.
Description of reference numerals:
11. an upper bolt groove; 12. an upper bolt rod;
13. an upper push rod; 21. a middle pin groove;
22. a pin rod is inserted; 23. a middle push rod;
31. a lower plug groove; 32. a lower bolt rod;
33. pushing the rod downwards; 4. the bolt rod is connected with the shaft;
5. a pinion gear; 6. rotating and positioning;
7. a handle; 8. a bull gear;
9. a door main body; 10. a wall body.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and 2, the present embodiment provides a mechanical airtight door pressing mechanism, which is installed on a door body 9 and a wall 10, and comprises an upper latch rod 12, a latch rod link shaft 4, an upper push rod 13, an intermediate latch rod 22, an intermediate push rod 23, a lower latch rod 32, a lower push rod 33, a pinion 5, a gearwheel 8, a handle 7 and a rotary positioning 6; an upper bolt groove 11, an upper bolt groove 21 and a lower bolt groove 31 are respectively formed in a wall 10, the top end of an upper bolt rod 12 is fixed in the upper bolt groove 11, the bottom end of the upper bolt rod 12 is connected with an upper pushing rod 13 through a bolt rod linking shaft 4, the front end of the upper bolt rod 22 is fixed in the middle bolt groove 21, the rear end of the upper bolt rod 22 is connected with the middle pushing rod 23 through the bolt rod linking shaft 4, the bottom end of a lower bolt rod 32 is fixed in the lower bolt groove 31, and the top end of the lower bolt rod 32 is connected with a lower pushing rod 33 through the bolt rod linking shaft 4; the bottom end of the upper push rod 13 is fixed on the large gear 8, the rear end of the middle push rod 23 is fixed on the large gear 8, and the top end of the lower push rod 33 is fixed on the large gear 8; the big gear 8 is meshed with the small gear 5, the handle 7 is fixed on the small gear 5, and the rotary positioning 6 is fixed on the big gear 8; the pinion gear 5 and the bull gear 8 are mounted on the door body 9.
In the embodiment, the upper latch rod 12, the middle latch rod 22 and the lower latch rod 32 have the same function, and all the functions are to fix the whole mechanism in the wall body 10; the upper latch lever 12 and the lower latch lever 32 are the same length; upper latch lever 12 and lower latch lever 32 are located on the same vertical line.
In this embodiment, the latch link shaft 4 is used to realize a link between the latch lever and the push rod at respective positions.
In this embodiment, the upper push rod 13, the middle push rod 23, and the lower push rod 33 are used to drive the displacement of the upper latch rod 12, the middle latch rod 22, and the lower latch rod 32, respectively; the upper push rod 13 and the lower push rod 33 have the same length.
In the embodiment, the small gear 5 is meshed with the large gear 8, and the push rods at the respective positions are driven to move by matching with the handle 7; the distance between the big gear 8 and the top end of the door main body 9 is the same as the distance between the big gear 8 and the bottom end of the door main body 9.
In the present embodiment, the handle 7 is used to effect rotation of the pinion 5; the handle 7 is a telescopic rod, and can realize the operation of operators at different positions.
In this embodiment, the rotational positioning 6 is used to realize the rotational limit of the large gear 8 so as to control the extension and retraction range of the push rods at the respective positions.
In this embodiment, the upper plug groove 11, the middle plug groove 21, and the lower plug groove 31 are used to realize the extension and retraction of the plug rods at their respective positions inside; the upper plug pin groove 11, the middle plug pin groove 21 and the lower plug pin groove 31 are identical in structure, and the upper plug pin groove 11 is a trapezoidal groove.
The working principle of the mechanical airtight door pressing mechanism of the embodiment is as follows: the handle is rotated to the manual work, drives the rotation of pinion, drives the rotation of gear wheel, drives the flexible of fixing last catch bar, well catch bar and lower catch bar above it, and then drives the flexible of bolt pole, well catch bar and lower bolt pole, realizes opening and shutting of door main part.
The mechanical airtight door pressing mechanism of the embodiment realizes uniform stress of the door main body through the arrangement of the three bolt rods, effectively prevents the door from deforming, and greatly reduces the force application requirement by adopting the small gear to drive the large gear; the device can effectively meet the air tightness requirement of the escape door or the buffering door, is attractive in whole, can realize quick escape, ensures the life health and safety of workers, and avoids the spreading threat of biochemical viruses.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A mechanical airtight door pressing mechanism is installed on a door main body and a wall body and is characterized in that the mechanical airtight door pressing mechanism comprises an upper bolt rod, a bolt rod linking shaft, an upper pushing rod, a middle bolt rod, a middle pushing rod, a lower bolt rod, a lower pushing rod, a pinion, a gearwheel, a handle and a rotary positioning; an upper bolt groove, an upper plug pin groove and a lower bolt groove are respectively formed in the wall body, the top end of the upper plug pin rod is fixed in the upper bolt groove, the bottom end of the upper plug pin rod is connected with the upper pushing rod through a plug pin rod linking shaft, the front end of the upper plug pin rod is fixed in the upper plug pin groove, the rear end of the upper plug pin rod is connected with the middle pushing rod through the plug pin rod linking shaft, the bottom end of the lower plug pin rod is fixed in the lower plug pin groove, and the top end of the lower plug pin rod is connected with the lower pushing rod through the plug pin rod linking shaft; the bottom end of the upper pushing rod is fixed on the bull gear, the rear end of the middle pushing rod is fixed on the bull gear, and the top end of the lower pushing rod is fixed on the bull gear; the large gear is meshed with the small gear, the handle is fixed on the small gear, and the handle is fixed on the large gear in a rotating and positioning mode; the pinion gear and the bull gear are mounted on the door body.
2. The mechanical air tight door hold down mechanism of claim 1, wherein said upper latch rod and said lower latch rod are the same length.
3. The mechanical air tight door hold down mechanism of claim 1, wherein said upper latch rod and said lower latch rod are located on the same vertical line.
4. The mechanical air tight door hold down mechanism of claim 1, wherein said upper pusher arm and said lower pusher arm are of the same length.
5. The mechanical air tight door hold down mechanism of claim 1, wherein said bull gear is spaced the same distance from the top end of said door body as said bull gear is spaced from the bottom end of said door body.
6. The mechanical air tight door hold down mechanism of claim 1, wherein said handle is a telescoping rod.
7. The mechanical air tight door compression mechanism of claim 1, wherein the upper, middle and lower latch grooves are identical in construction, and the upper latch groove is a trapezoidal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122053807.XU CN215803920U (en) | 2021-08-27 | 2021-08-27 | Mechanical airtight door pressing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122053807.XU CN215803920U (en) | 2021-08-27 | 2021-08-27 | Mechanical airtight door pressing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215803920U true CN215803920U (en) | 2022-02-11 |
Family
ID=80153061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122053807.XU Active CN215803920U (en) | 2021-08-27 | 2021-08-27 | Mechanical airtight door pressing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215803920U (en) |
-
2021
- 2021-08-27 CN CN202122053807.XU patent/CN215803920U/en active Active
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