CN219101051U - Hydraulic buffer device based on civil air defense door - Google Patents
Hydraulic buffer device based on civil air defense door Download PDFInfo
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- CN219101051U CN219101051U CN202223394649.5U CN202223394649U CN219101051U CN 219101051 U CN219101051 U CN 219101051U CN 202223394649 U CN202223394649 U CN 202223394649U CN 219101051 U CN219101051 U CN 219101051U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model relates to a hydraulic buffer device based on a civil air defense door, which belongs to the technical field of civil air defense door buffering and comprises a door opening and a door frame arranged in the door opening, wherein a door body is hinged in the door frame, the door frame is hinged in the door opening, a hinge shaft formed at the hinge position of the door frame and the door opening is vertical, a side groove is arranged on the side wall of the door opening, a buffer chamber is arranged on the partition wall of the door opening, a connecting hole for communicating the buffer chamber and the side groove is arranged between the buffer chamber and the side groove, a first hydraulic buffer is arranged in the buffer chamber and used for carrying out hydraulic buffer treatment on explosion impact entering the buffer chamber through the connecting hole, the door frame is arranged between a normal state and an explosion-proof state and is switched, when the door frame is in the normal state, the door frame is wholly parallel to the door opening, the connecting hole is blocked by the door frame, when the door frame is in the explosion-proof state, the door frame is pushed by the explosion impact to rotate around the hinge shaft, and the connecting hole is exposed.
Description
Technical Field
The utility model relates to the field of civil air defense doors, in particular to the field of civil air defense door buffering, and particularly relates to a hydraulic buffering device based on a civil air defense door.
Background
The patent document with the application number of 202121553309.5 discloses an anti-explosion impact civil air defense door, which is characterized in that a hydraulic pump is arranged on the side face of a wall body and connected with a stacking block, so that the limiting effect on a door body is facilitated, the supporting and fixing effect on the door body is guaranteed, a groove is formed on the side face of the door body, and the door body is connected with a buffer block through a spring seat, so that the anti-explosion impact buffering protection on the civil air defense door is needed.
Disclosure of Invention
In order to solve the problems mentioned in the background, the utility model provides a hydraulic buffer device based on a civil air defense door.
In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows.
The hydraulic buffer device comprises a door opening and a door frame arranged in the door opening, wherein a door body is hinged in the door frame, the door frame is hinged in the door opening, a hinge shaft formed at the hinge position of the door frame and the door opening is vertical, a side groove is formed in the side wall of the door opening, a buffer chamber is arranged on the partition wall of the door opening, a connecting hole for realizing communication between the buffer chamber and the side groove is formed between the buffer chamber and the side groove, a first hydraulic buffer is arranged in the buffer chamber, and the first hydraulic buffer is used for carrying out hydraulic buffer treatment on explosion impact entering the buffer chamber through the connecting hole;
the door frame sets up and switches between normal condition and explosion-proof state, and when the door frame was in normal condition, the door frame is whole to be parallel to each other with the door opening, and the connecting hole is shutoff by the door frame, and when the door frame was in explosion-proof state, the door frame was pushed by explosion impact and is rotated around the articulated shaft, and the connecting hole exposes.
Further, the bottom of door opening is provided with the mounting groove, is provided with hydraulic buffer two in the mounting groove, and hydraulic buffer two is used for carrying out hydraulic buffer to the door frame and handles.
Further, the mounting groove is arc groove-shaped, the hinge shaft formed at the hinge position of the door frame and the door opening is coaxially arranged with the mounting groove, and the integral extending direction of the hydraulic buffer II arranged in the mounting groove is coaxial with the mounting groove.
Further, the wall of the side groove facing the indoor is an inclined plane, and the distance between the inclined plane and the notch of the side groove increases gradually from the indoor direction to the outdoor direction.
Further, the side of door frame towards the side groove is provided with the through-hole that link up, is provided with the baffle in the through-hole, and the baffle is annular shape and its and the drill way of through-hole are parallel to each other, and the baffle divide into installation district one and installation district two with the through-hole, and installation district one is close to the door body.
Further, the side plate is slidably mounted in the through hole and is divided into a connecting section which is slidably positioned in the first mounting area, a sealing section which is slidably positioned in the second mounting area and a middle section which is used for connecting the connecting section and the sealing section, a spring is arranged between the sealing section and the partition plate, and the free end of the sealing section extends out of the through hole and is tightly attached to the bottom of the side groove under the action of the elastic force of the spring.
Further, the side of the door body facing the through hole is provided with a locking groove, and when the door body is closed and positioned in the door frame, the locking groove is mutually communicated with the through hole.
Further, a baffle is arranged on the inclined plane and used for limiting the rotation of the door frame after the connecting hole is completely exposed.
Compared with the prior art, the utility model has the beneficial effects that:
in this scheme, the door frame sets up and switches between normal condition and explosion-proof state, when being in normal condition, the door frame is whole with the door opening parallel to each other, the connecting hole is blocked by the door frame, when being in explosion-proof state, the door frame is pushed by explosion impact and is rotated around the articulated shaft, the connecting hole exposes, at this moment, under the inclined plane guide of door frame and door body, the explosion impact moves towards the connecting hole, and finally get into the buffer chamber through the connecting hole, carry out hydraulic buffering through setting up a pair of explosion impact in the buffer chamber, because the buffer chamber is set up at the door opening bulkhead, possess a sufficient space installation, buffer performance is strong enough first to the explosion impact, buffer performance is better, the people's air defense door receives the influence of explosion impact also less.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a door opening;
FIG. 3 is a schematic view of the structure of the door frame, door body and side panels;
FIG. 4 is a cross-sectional view of the door frame, door body, and side panels;
FIG. 5 is an exploded view of the door frame, door body and side panels;
fig. 6 is a schematic view of the cooperation of the door opening, the door frame, the door body and the side plates.
The reference numerals in the drawings are:
1. a door frame; 101. a through hole; 102. a partition plate; 2. a door body; 201. a locking groove; 3. a side plate; 4. a door opening; 5. a mounting groove; 6. a side groove; 7. a connection hole; 8. an inclined plane; 9. a baffle; 10. and (3) a spring.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-6, a hydraulic buffer device based on a civil air defense door comprises a door opening 4 and a door frame 1 hinged in the door opening 4, wherein a door body 2 is hinged in the door frame 1, and a hinge shaft formed at the hinge position of the door frame 1 and the door opening 4 is vertical.
As shown in fig. 2, the side wall of the door opening 4 is provided with a side groove 6, the bottom of the side groove 6 is provided with a connecting hole 7, the partition wall of the door opening 4 is provided with a buffer chamber, the buffer chamber and the side groove 6 are communicated with each other through the connecting hole 7, a first hydraulic buffer is arranged in the buffer chamber, the first hydraulic buffer is realized by the existing hydraulic buffer technical means, and the first hydraulic buffer is used for carrying out hydraulic buffer treatment on explosion impact entering the buffer chamber through the connecting hole 7.
The bottom of door opening 4 is provided with mounting groove 5, is provided with hydraulic buffer two in the mounting groove 5, and hydraulic buffer two is current hydraulic buffer technical means and can realize, and it is used for carrying out hydraulic buffer treatment to door frame 1, and in addition, because door frame 1 is rotatory around the articulated shaft, so mounting groove 5 is arc groove shape, and door frame 1 and the articulated shaft and the coaxial arrangement of mounting groove 5 that department formed of door opening 4 are provided with hydraulic buffer two in the mounting groove 5, and hydraulic buffer two's whole extending direction is coaxial with mounting groove 5, realizes the hydraulic buffer protection to door frame 1.
The door frame 1 sets up and switches between normal condition and explosion-proof state, in normal condition, door frame 1 is whole to be parallel to each other with door opening 4, connecting hole 7 is blocked by door frame 1, in explosion-proof state, door frame 1 is pushed against by the explosion impact and rotates around the articulated shaft, connecting hole 7 exposes, at this moment, under the inclined plane guide of door frame 1 and door body 2, the explosion impact moves towards connecting hole 7, and finally get into the buffer chamber through connecting hole 7, carry out hydraulic buffering through setting up the hydraulic buffer in the buffer chamber a pair of explosion impact, because the buffer chamber is set up at door opening 4 bulkhead, possess a sufficient space installation, hydraulic buffer a sufficient strong hydraulic buffer, cushion the explosion impact, the buffer performance is better, the people's air defense door receives the influence of explosion impact also less.
The buffer chamber and the hydraulic buffers are not shown.
As shown in fig. 2, the side grooves 6 are arranged obliquely toward the wall of the room, named as inclined surfaces 8, and the distance between the inclined surfaces 8 and the notches of the side grooves 6 increases from the room to the outside.
As shown in fig. 3 to 5, the side of the door frame 1 facing the side groove 6 is provided with a through hole 101 therethrough, a partition plate 102 is provided in the through hole 101, the partition plate 102 is annular in shape and parallel to the orifice of the through hole 101, and the partition plate 102 divides the through hole 101 into two parts: the first installation area and the second installation area are arranged, and the first installation area is close to the door body 2.
A side plate 3 is slidably installed in the through hole 101, and specifically, the side plate 3 is divided into three sections: the connecting section is arranged in the first installation area in a sliding manner, the sealing section is arranged in the second installation area in a sliding manner, and the middle section is used for connecting the connecting section and the sealing section and penetrates through the inner ring area of the partition plate 102 to realize connection between the connecting section and the sealing section.
A spring 10 is arranged between the sealing section and the partition plate 102, the free end of the sealing section extends out of the through hole 101 and is tightly attached to the bottom of the side groove 6 under the action of the elasticity of the spring 10, so that the sealing fit between the door frame 1 and the door opening 4 is realized, and preferably, a layer of sealing layer made of rubber or silica gel material can be arranged on the end face of the free end of the sealing section, so that the sealing performance is improved.
The working principle of the utility model is as follows:
under the action of the second hydraulic buffer, the whole door frame 1 is kept parallel to the opening of the door opening 4, the door body 2 is arranged in the door frame 1 and can be normally opened or closed, the free end of the side plate 3 is tightly attached to the bottom of the side groove 6 under the action of the elasticity of the spring 10, the tightness between the door frame 1 and the door opening 4 is ensured, and in addition, the upper and lower sides of the side plate 3 are attached to the upper and lower groove walls of the side groove 6 respectively, as shown in fig. 6;
when explosion impact occurs, if the impact is smaller, the impact is relieved under the hydraulic buffering of the second hydraulic buffer, the civil air defense door consisting of the door frame 1 and the door body 2 is protected, and after the impact is finished, the buffer force generated in the buffering process before the second hydraulic buffer is released is used for resetting the door frame 1;
if the impact is large, the door frame 1 rotates around the hinge shaft to form a large angle, the connecting hole 7 is exposed, at the moment, the whole civil air defense door is obliquely arranged relative to the connecting hole 7, under the action of oblique guidance of the civil air defense door, the impact wave moves towards the connecting hole 7 and enters the buffer chamber through the connecting hole 7, the impact is relieved under the hydraulic buffering of the first hydraulic buffer, and in the process, most of the impact enters the buffer chamber along the connecting hole 7 and is buffered and solved by the first hydraulic buffer, so that the damage caused by the impact to the civil air defense door is light, the buffer protection to the civil air defense door is realized, the buffer protection effect is good, and the buffer force generated in the buffer process before the release of the second hydraulic buffer after the impact is finished is used for resetting the door frame 1;
in the hydraulic buffering process with larger impact, due to the existence of the inclined plane 8, the door frame 1 is retreated and rotated around the hinge shaft, the side plate 3 part moves in the retraction through hole 101 in the process of exposing the connecting hole 7, the free end of the sealing section of the side plate 3 is always tightly attached to the bottom of the side groove 6 or the inclined plane 8, the sealing performance is good, and dust, broken stone and flame generated by explosion are prevented from entering an engineering prevention chamber through a gap between the side plate 3 and the side groove 6.
In a preferred embodiment, a civil air defense door can be arranged on the side of the door opening 4 facing the civil air defense engineering room again, the civil air defense door is consistent with the civil air defense door technology in the prior art, the first civil air defense door arranged at the door opening 4 is used for explosion-proof impact, and smoke, dust, flame and the like caused by the explosion impact are isolated by the second subsequent civil air defense door.
In the preferred embodiment, as shown in fig. 4, a locking groove 201 is formed on the side surface of the door body 2 facing the through hole 101, and when the door body 2 is closed and located in the door frame 1, the locking groove 201 is mutually communicated with the through hole 101, which means that when the door body 2 is located in the door frame 1, that is, when the civil air defense door is closed, explosion impact is applied, and when the side plate 3 moves to retract into the through hole 101, the free end of the connecting section of the side plate 3 stretches into the locking groove 201, and the connecting section of the side plate 3 is used for realizing the connection locking between the door body 2 and the door frame 1, which means that when the explosion impact is applied, the door body 2 and the door frame 1 form an integrated structure to prevent the door frame 1 from being hydraulically protected, and the door lock for closing and locking between the door body 2 and the door frame 1 is deformed and damaged, and after the explosion impact is finished, the civil air defense door cannot be opened.
In the preferred embodiment, as shown in fig. 2, a baffle 9 is disposed on the inclined plane 8, and the baffle 9 is used for limiting the rotation of the door frame 1 after the connecting hole 7 is completely exposed, which means that when the explosion impact is too violent, and the connecting hole 7 is completely exposed, most of the shock waves move towards the buffer room, the rest of the shock waves still cause larger impact on the civil air defense door, so that the door frame 1 continues to rotate, the hydraulic buffer of the hydraulic buffer II reaches the limit, and the hydraulic buffer II is in the limit state for a long time and is easy to be damaged, so that the baffle 9 is disposed, and the door frame 1 is limited to rotate after the connecting hole 7 is completely exposed, so that the hydraulic buffer is prevented from reaching the limit and being damaged.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (8)
1. The utility model provides a hydraulic buffer based on people's air defense door, its includes door opening (4) and door frame (1) of setting in door opening (4), articulates in door frame (1) and is provided with door body (2), its characterized in that: the door frame (1) is hinged in the door opening (4), a hinge shaft formed at the hinge position of the door frame (1) and the door opening (4) is vertical, a side groove (6) is formed in the side wall of the door opening (4), a buffer chamber is formed in the partition wall of the door opening (4), a connecting hole (7) for realizing communication between the buffer chamber and the side groove (6) is formed between the buffer chamber and the side groove, a first hydraulic buffer is arranged in the buffer chamber, and the first hydraulic buffer is used for carrying out hydraulic buffer treatment on explosion impact entering the buffer chamber through the connecting hole (7);
the door frame (1) is arranged and switches between normal state and explosion-proof state, when the door frame (1) is in normal state, the whole door frame (1) is parallel to the door opening (4), the connecting hole (7) is blocked by the door frame (1), when the door frame (1) is in explosion-proof state, the door frame (1) is pushed by explosion impact to rotate around the hinge shaft, and the connecting hole (7) is exposed.
2. The hydraulic buffering device based on the civil air defense door according to claim 1, wherein: the bottom of door opening (4) is provided with mounting groove (5), is provided with hydraulic buffer two in mounting groove (5), and hydraulic buffer two is used for carrying out hydraulic buffering to door frame (1).
3. The hydraulic buffering device based on the civil air defense door according to claim 2, wherein: the installation groove (5) is an arc groove shape, a hinge shaft formed at the hinge position of the door frame (1) and the door opening (4) and the installation groove (5) are coaxially arranged, and the integral extending direction of the hydraulic buffer II arranged in the installation groove (5) is coaxial with the installation groove (5).
4. The hydraulic buffering device based on the civil air defense door according to claim 1, wherein: the wall of the side groove (6) facing the indoor is an inclined plane (8), and the distance between the inclined plane (8) and the notch of the side groove (6) increases gradually from the indoor to the outdoor.
5. The hydraulic buffering device based on the civil air defense door according to claim 4, wherein: the side of door frame (1) towards side groove (6) is provided with through-hole (101) that link up, is provided with baffle (102) in through-hole (101), and baffle (102) are annular shape and its and the drill way of through-hole (101) are parallel to each other, and baffle (102) divide into installation district one and installation district two with through-hole (101), and installation district one is close to door body (2).
6. The hydraulic buffering device based on the civil air defense door according to claim 5, wherein: the side plate (3) is slidably mounted in the through hole (101), the side plate (3) is divided into a connecting section which is slidably positioned in the first mounting area, a sealing section which is slidably positioned in the second mounting area and a middle section which is used for connecting the connecting section and the sealing section, a spring (10) is arranged between the sealing section and the partition plate (102), and the free end of the sealing section extends out of the through hole (101) and is tightly attached to the bottom of the side groove (6) under the elastic force of the spring (10).
7. The hydraulic buffering device based on the civil air defense door according to claim 6, wherein: the side of the door body (2) facing the through hole (101) is provided with a locking groove (201), and when the door body (2) is closed and positioned in the door frame (1), the locking groove (201) is communicated with the through hole (101).
8. The hydraulic buffering device based on the civil air defense door of claim 7, wherein: the inclined plane (8) is provided with a baffle plate (9), and the baffle plate (9) is used for limiting the rotation of the door frame (1) after the connecting hole (7) is completely exposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223394649.5U CN219101051U (en) | 2022-12-19 | 2022-12-19 | Hydraulic buffer device based on civil air defense door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223394649.5U CN219101051U (en) | 2022-12-19 | 2022-12-19 | Hydraulic buffer device based on civil air defense door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219101051U true CN219101051U (en) | 2023-05-30 |
Family
ID=86455616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223394649.5U Active CN219101051U (en) | 2022-12-19 | 2022-12-19 | Hydraulic buffer device based on civil air defense door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219101051U (en) |
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2022
- 2022-12-19 CN CN202223394649.5U patent/CN219101051U/en active Active
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