CN211115485U - Push-pull type civil air defense door - Google Patents
Push-pull type civil air defense door Download PDFInfo
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- CN211115485U CN211115485U CN201921501420.2U CN201921501420U CN211115485U CN 211115485 U CN211115485 U CN 211115485U CN 201921501420 U CN201921501420 U CN 201921501420U CN 211115485 U CN211115485 U CN 211115485U
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- channel steel
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- pin shaft
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Abstract
The utility model relates to the technical field of underground engineering protective equipment, in particular to a push-pull type civil air defense door, wherein a lower guide channel steel and an upper guide channel steel are oppositely arranged; a plurality of supporting rollers are fixed at the bottom of the door body; the supporting roller is rotationally connected with the door body; the wheel body of the supporting roller is tightly pressed on the inner bottom wall of the lower guide channel steel; a pin shaft driving mechanism is arranged on the surface of the door body; the follower wheel is provided with a rotating shaft; the rotating shaft is rotationally connected with the follower wheel; one end of the pin shaft penetrates through the fixing ring and is fixedly connected with the rotating shaft; one end of the swing rod is hinged with the push rod; the other end of the swing rod is hinged with the rotating shaft; one pin shaft is inserted into the positioning ring; and the other pin shaft is inserted into the lower positioning sleeve. Use the utility model discloses the time, the door body is at the push-and-pull in-process in this structure, and frictional force reduces for it is more laborsaving to open the door and close the door action, and the push-and-pull through the push rod, real door body round pin axle linkage structure's synchro switch, convenient operation.
Description
Technical Field
The utility model relates to an underground works protective apparatus technical field, in particular to plug-type people's air defense door.
Background
The underground protection engineering also calls civil defense work, and refers to underground protection buildings which are independently built for guaranteeing shelter of personnel and materials in wartime, civil air defense command and medical rescue, and basements which are built by combining ground buildings and can be used for air defense in wartime. The door of the underground protection project entrance is called a civil air defense door, and the civil air defense door belongs to civil air defense protection equipment.
The existing civil air defense door is generally a rotary civil air defense door, and is opened, closed and opened through two rotary doors, and the rotary civil air defense door does not occupy larger space in the opening and closing range of the door, so that enough space is reserved for opening or closing the door at the position close to the door edge, and the underground space cannot be utilized to the maximum extent; and the cantilever beam structure, the door is opened for a long time and is easy to be stressed and deformed, and the service life of the door body is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plug-type people's air defense door to prior art's defect and not enough.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model relates to a push-pull type civil air defense door, which comprises a lower positioning sleeve and a lower guide channel steel which are fixed on the ground, and an upper guide channel steel and a positioning ring which are fixed on a wall body; the lower guide channel steel and the upper guide channel steel are arranged oppositely; a door body is arranged between the lower guide channel steel and the upper guide channel steel; the top of the door body is provided with a plurality of guide pulleys; the guide pulley is rotationally connected with the door body; the diameter of the guide pulley is equal to the width of the inner cavity of the upper guide channel steel; the guide pulleys are all embedded into the inner cavity of the upper guide channel steel; a plurality of supporting rollers are fixed at the bottom of the door body; the supporting roller is rotatably connected with the door body; the wheel body of the supporting roller is tightly pressed on the inner bottom wall of the lower guide channel steel; a pin shaft driving mechanism is arranged on the surface of the door body;
the pin shaft driving mechanism comprises a push rod, a guide ring and two pin shaft linkage structures which are symmetrical up and down on the push rod; the guide ring is fixed on the door body; the inner hole of the guide ring is matched with the rod body of the push rod; the guide ring is sleeved outside the rod body of the push rod; the pin shaft linkage structure comprises a swing rod, a pin shaft, a fixing ring and a follow-up wheel; a vertical channel steel extending along the height direction is fixed on the door body; the follow-up wheel is embedded into the vertical channel steel; the inner ring of the fixed ring is matched with the shaft body of the pin shaft; the fixing ring is fixed on the vertical channel steel; the lower positioning sleeve, the fixing ring and the positioning ring are coaxially arranged; the follower wheel is provided with a rotating shaft; the rotating shaft is rotationally connected with the follower wheel; one end of the pin shaft penetrates through the fixing ring and is fixedly connected with the rotating shaft; one end of the swing rod is hinged with the push rod; the other end of the swing rod is hinged with the rotating shaft; one pin shaft is inserted into the positioning ring; and the other pin shaft is inserted into the lower positioning sleeve.
Furthermore, a stop lever is hinged on the door body; the stop lever is provided with a notch; a concave ring is arranged on the rod body of the push rod.
Furthermore, a round handle is fixed on the push rod.
After the structure is adopted, the utility model discloses beneficial effect does: the push-pull type civil air defense door of the utility model is characterized in that the lower guide channel steel and the upper guide channel steel are oppositely arranged; a door body is arranged between the lower guide channel steel and the upper guide channel steel; the top of the door body is provided with a plurality of guide pulleys; the guide pulley is rotationally connected with the door body; the diameter of the guide pulley is equal to the width of the inner cavity of the upper guide channel steel; the guide pulleys are all embedded into the inner cavity of the upper guide channel steel; a plurality of supporting rollers are fixed at the bottom of the door body; the supporting roller is rotationally connected with the door body; the wheel body of the supporting roller is tightly pressed on the inner bottom wall of the lower guide channel steel; a pin shaft driving mechanism is arranged on the surface of the door body; the pin shaft driving mechanism comprises a push rod, a guide ring and two pin shaft linkage structures which are symmetrical up and down on the push rod; the guide ring is fixed on the door body; the inner hole of the guide ring is matched with the rod body of the push rod; the guide ring is sleeved outside the rod body of the push rod; the pin shaft linkage structure comprises a swing rod, a pin shaft, a fixed ring and a follow-up wheel; the door body is fixed with a vertical channel steel extending along the height direction; the follower wheel is embedded into the vertical channel steel; the inner ring of the fixed ring is matched with the shaft body of the pin shaft; the fixing ring is fixed on the vertical channel steel; the lower positioning sleeve, the fixing ring and the positioning ring are coaxially arranged; the follower wheel is provided with a rotating shaft; the rotating shaft is rotationally connected with the follower wheel; one end of the pin shaft penetrates through the fixing ring and is fixedly connected with the rotating shaft; one end of the swing rod is hinged with the push rod; the other end of the swing rod is hinged with the rotating shaft; one pin shaft is inserted into the positioning ring; and the other pin shaft is inserted into the lower positioning sleeve. When the utility model is used, a doorway is arranged on the wall body; the guide pulleys are used for guiding the whole door body, the resistance of the door body in the sliding process is reduced through the contact of the guide pulleys and the side surface of the upper guide channel steel, and the support rollers are used for supporting the door body; the door body can smoothly slide on the lower guide channel steel, the two swing rods can synchronously move after the push rod moves, and the swinging swing rods roll in the vertical channel steel through the follower wheel, so that the pin shaft moves along the direction of the fixed ring; when the pin shaft is released from the positioning ring, the door body can move along the lower guide channel steel, and after the pin shaft is respectively inserted into the lower positioning sleeve and the positioning ring, the door body is locked and fixed; the door body is at the push-and-pull in-process in this structure, and frictional force reduces for the action of opening the door and closing the door is more laborsaving, and through the push-and-pull of push rod, real door body round pin axle linkage structure's synchro switch, convenient operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the pin drive mechanism;
FIG. 3 is a schematic view of the stop lever;
description of reference numerals:
1. a wall body; 101. a doorway; 2. a ground surface; 3. erecting channel steel; 4. supporting the rollers;
5. a lower positioning sleeve; 6. a swing rod; 7. a lower guide channel steel; 8. a door body; 9. a stop lever;
901. a notch; 10. a guide pulley; 11. a push rod; 1101. a concave ring; 1102. a round handle;
12. an upper guide channel steel; 13. a pin shaft; 14. a fixing ring; 15. a follower wheel; 1501. a rotating shaft;
16. a guide ring; 17. a retaining ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the push-pull type civil air defense door of the utility model comprises a lower positioning sleeve 5 and a lower guiding channel steel 7 fixed on the ground 2, an upper guiding channel steel 12 and a positioning ring 17 fixed on the wall body 1; the lower guide channel steel 7 and the upper guide channel steel 12 are arranged oppositely; a door body 8 is arranged between the lower guide channel steel 7 and the upper guide channel steel 12; the top of the door body 8 is provided with a plurality of guide pulleys 10; the guide pulley 10 is rotatably connected with the door body 8; the diameter of the guide pulley 10 is equal to the width of the inner cavity of the upper guide channel steel 12; the guide pulleys 10 are all embedded into the inner cavity of the upper guide channel steel 12; a plurality of supporting rollers 4 are fixed at the bottom of the door body 8; the supporting roller 4 is rotatably connected with the door body 8; the wheel body of the supporting roller 4 is tightly pressed on the inner bottom wall of the lower guide channel steel 7; a pin shaft driving mechanism is arranged on the surface of the door body;
the pin shaft driving mechanism comprises a push rod 11, a guide ring 16 and two pin shaft linkage structures which are symmetrical up and down on the push rod 11; the guide ring 16 is fixed on the door body 8; the inner hole of the guide ring 16 is matched with the rod body of the push rod 11; the guide ring 16 is sleeved outside the rod body of the push rod 11; the pin shaft linkage structure comprises a swing rod 6, a pin shaft 13, a fixed ring 14 and a follow-up wheel 15; the door body 8 is fixed with vertical channel steel 3 extending along the height direction; the follower wheel 15 is embedded into the vertical channel steel 3; the inner ring of the fixed ring 14 is matched with the shaft body of the pin shaft 13; the fixing ring 14 is fixed on the vertical channel steel 3; the lower positioning sleeve 5, the fixing ring 14 and the positioning ring 17 are coaxially arranged; the follower wheel 15 is provided with a rotating shaft 1501; the rotating shaft 1501 is rotatably connected with the follower wheel 15; one end of the pin shaft 13 penetrates through the fixing ring 14 and then is fixedly connected with the rotating shaft 1501; one end of the swing rod 6 is hinged with the push rod 11; the other end of the oscillating bar 6 is hinged with the rotating shaft 1501; one of the pin shafts 13 is inserted into the positioning ring 17; another pin shaft 13 is inserted into the lower positioning sleeve 5; a doorway 101 is formed in the wall body 1; the guide pulley 10 is used for guiding the whole door body 8, the resistance of the door body 8 in the sliding process is reduced through the contact of the guide pulley 10 and the side surface of the upper guide channel steel 12, and the support roller 4 is used for supporting the door body 8; the door body 8 smoothly slides on the lower guide channel steel 7, the two swing rods 6 synchronously move after the push rod 11 moves, and the swing rods 6 roll in the vertical channel steel 3 through the follower wheel, so that the pin shaft 13 moves along the direction of the fixed ring 14; after the pin shaft 13 is released from the positioning ring 17, the door body 8 can move along the lower guide channel steel 7, and after the pin shaft 13 is respectively inserted into the lower positioning sleeve 5 and the positioning ring 17, the door body 8 is locked and fixed; the door body 8 reduces friction in the push-and-pull process in the structure, so that the door opening and closing actions are more labor-saving, and the synchronous opening and closing of the real door body 8 pin shaft linkage structure are realized through the push-and-pull of the push rod 11, so that the operation is convenient.
As a preferred mode of the utility model, the door body 8 is hinged with a stop lever 9; a notch 901 is arranged on the stop lever 9; a concave ring 1101 is arranged on the body of the push rod 11; one section of the push rod 11 provided with the concave ring 1101 is a reducing section; the notch 901 is embedded in the reducing section; the notch 901 of the stop lever 9 is clamped into the concave ring 1101 for positioning, and the stop lever 9 limits the push rod 11, so that the lower positioning sleeve 5 or the positioning ring 17 on the pin shaft 13 is prevented from being released, and the door body 8 is ensured to be locked.
As a preferred mode of the present invention, a circular handle 1102 is fixed to the push rod 11.
When the utility model is used, a doorway is arranged on the wall body; the guide pulleys are used for guiding the whole door body, the resistance of the door body in the sliding process is reduced through the contact of the guide pulleys and the side surface of the upper guide channel steel, and the support rollers are used for supporting the door body; the door body can smoothly slide on the lower guide channel steel, the two swing rods can synchronously move after the push rod moves, and the swinging swing rods roll in the vertical channel steel through the follower wheel, so that the pin shaft moves along the direction of the fixed ring; when the pin shaft is released from the positioning ring, the door body can move along the lower guide channel steel, and after the pin shaft is respectively inserted into the lower positioning sleeve and the positioning ring, the door body is locked and fixed; in the structure, the friction force of the door body is reduced in the pushing and pulling process, so that the door opening and closing actions are more labor-saving, and the synchronous opening and closing of the door body pin shaft linkage structure are realized through the pushing and pulling of the push rod, so that the operation is convenient; the section of the push rod provided with the concave ring is a reducing section; the notch is embedded into the reducing section; the notch of the stop lever is clamped into the concave ring for positioning, and the stop lever limits the push rod, so that the lower positioning sleeve or the positioning ring of the pin shaft is prevented from being released, and the door body is ensured to be locked.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (3)
1. A push-pull type civil air defense door is characterized in that: the device comprises a lower positioning sleeve (5) and a lower guide channel steel (7) which are fixed on the ground (2), and an upper guide channel steel (12) and a positioning ring (17) which are fixed on a wall body (1); the lower guide channel steel (7) and the upper guide channel steel (12) are arranged oppositely; a door body (8) is arranged between the lower guide channel steel (7) and the upper guide channel steel (12); the top of the door body (8) is provided with a plurality of guide pulleys (10); the guide pulley (10) is rotationally connected with the door body (8); the diameter of the guide pulley (10) is equal to the width of the inner cavity of the upper guide channel steel (12); the guide pulleys (10) are all embedded into the inner cavity of the upper guide channel steel (12); a plurality of supporting rollers (4) are fixed at the bottom of the door body (8); the supporting roller (4) is rotatably connected with the door body (8); the wheel body of the supporting roller (4) is tightly pressed on the inner bottom wall of the lower guide channel steel (7); a pin shaft driving mechanism is arranged on the surface of the door body;
the pin shaft driving mechanism comprises a push rod (11), a guide ring (16) and two pin shaft linkage structures which are symmetrical up and down on the push rod (11); the guide ring (16) is fixed on the door body (8); the inner hole of the guide ring (16) is matched with the rod body of the push rod (11); the guide ring (16) is sleeved outside the rod body of the push rod (11); the pin shaft linkage structure comprises a swing rod (6), a pin shaft (13), a fixed ring (14) and a follow-up wheel (15); a vertical channel steel (3) extending along the height direction is fixed on the door body (8); the follow-up wheel (15) is embedded into the vertical channel steel (3); the inner ring of the fixed ring (14) is matched with the shaft body of the pin shaft (13); the fixing ring (14) is fixed on the vertical channel steel (3); the lower positioning sleeve (5), the fixing ring (14) and the positioning ring (17) are coaxially arranged; a rotating shaft (1501) is arranged on the follower wheel (15); the rotating shaft (1501) is rotatably connected with the follower wheel (15); one end of the pin shaft (13) penetrates through the fixing ring (14) and then is fixedly connected with the rotating shaft (1501); one end of the swing rod (6) is hinged with the push rod (11); the other end of the swing rod (6) is hinged with the rotating shaft (1501); one pin shaft (13) is inserted into the positioning ring (17); the other pin shaft (13) is inserted into the lower positioning sleeve (5).
2. A push-pull type civil air defense door according to claim 1, characterized in that: a stop lever (9) is hinged on the door body (8); a notch (901) is arranged on the stop lever (9); a concave ring (1101) is arranged on the body of the push rod (11).
3. A push-pull type civil air defense door according to claim 1, characterized in that: a round handle (1102) is fixed on the push rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921501420.2U CN211115485U (en) | 2019-09-10 | 2019-09-10 | Push-pull type civil air defense door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921501420.2U CN211115485U (en) | 2019-09-10 | 2019-09-10 | Push-pull type civil air defense door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211115485U true CN211115485U (en) | 2020-07-28 |
Family
ID=71692235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921501420.2U Active CN211115485U (en) | 2019-09-10 | 2019-09-10 | Push-pull type civil air defense door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211115485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944385A (en) * | 2021-10-25 | 2022-01-18 | 中铁第四勘察设计院集团有限公司 | Heavy push rod lock for tunnel protection door and tunnel protection door comprising heavy push rod lock |
-
2019
- 2019-09-10 CN CN201921501420.2U patent/CN211115485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944385A (en) * | 2021-10-25 | 2022-01-18 | 中铁第四勘察设计院集团有限公司 | Heavy push rod lock for tunnel protection door and tunnel protection door comprising heavy push rod lock |
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