CN216043407U - Explosion-proof people's air defense door that shocks resistance - Google Patents
Explosion-proof people's air defense door that shocks resistance Download PDFInfo
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- CN216043407U CN216043407U CN202122544901.5U CN202122544901U CN216043407U CN 216043407 U CN216043407 U CN 216043407U CN 202122544901 U CN202122544901 U CN 202122544901U CN 216043407 U CN216043407 U CN 216043407U
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Abstract
The application discloses an explosion-proof impact-resistant civil air defense door, which comprises a door frame and a door leaf hinged on the door frame, wherein the door leaf comprises a steel skeleton and a steel plate coated outside the steel skeleton; the buffer assembly comprises a connecting rod horizontally and fixedly connected to the steel plate, a movable plate sleeved on the connecting rod and a first buffer spring fixedly connected to one side of the movable plate facing the sound absorbing piece, and the other end of the first buffer spring is connected to the sound absorbing piece; inhale the sound piece and include the shell and fill the cotton of inhaling the sound in the shell, the shell has seted up towards the one side of buffer unit and has inhaled the sound hole. The explosion-proof people's air defense door that shocks resistance of this application reduces the influence of impact force through buffering subassembly and inhale impact vibration and sound wave that the sound piece absorbed the external impact force and brought, reaches the explosion-proof purpose of shocking resistance of people's air defense door.
Description
Technical Field
The application relates to the field of civil air defense equipment, in particular to an explosion-proof impact-resistant civil air defense door.
Background
The civil air defense door is a door at an entrance and an exit of a civil protection project, and generally requires the civil air defense door to meet the performances of sealing, impact resistance and the like when dealing with the conditions of explosion, fire, toxic gas and the like.
The existing civil air defense door is mostly of a steel structure, and the aim of explosion prevention and impact resistance of the civil air defense door is achieved by means of the rigidity of steel, so that the civil air defense door is heavy, and the daily maintenance is labor-consuming. In response to market demands, the application provides an explosion-proof impact-resistant civil air defense door which can reduce the weight of the civil air defense door and can absorb external impact force.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect, this application provides an explosion-proof people's air defense door of shocking resistance.
The application provides an explosion-proof people's air defense door that shocks resistance adopts following technical scheme:
the utility model provides an explosion-proof people's air defense door that shocks resistance, includes the door frame and articulates the door leaf on the door frame, the door leaf includes steel skeleton and the cladding at the outside steel sheet of steel skeleton, the inside buffering subassembly that is used for absorbing the impact force that is provided with of door leaf and the sound piece of inhaling that is used for absorbing the sound ripples of inhaling of being provided with, open the direction along the door leaf, the buffering subassembly is located the one side that the direction was opened towards the door leaf, inhales the sound piece and is located the one side that deviates from the door leaf and open the direction.
By adopting the technical scheme, the explosion-proof and impact-resistant civil air defense door is in a closed state in daily life, when the civil air defense door is impacted, the impact force acts on the door leaf, the door leaf transmits the impact force to the buffer component, and the buffer component buffers the impact force to reduce the damage of the impact force to the door leaf; the sound wave that the impact force caused enters into inhales the sound piece, consumes the sound wave energy through inhaling the sound piece, avoids the sound wave to cause the injury to the human body, reaches the explosion-proof purpose of shocking resistance of people's air defense door.
Optionally, the buffering subassembly includes that horizontal rigid coupling is at the connecting rod on the steel sheet, the cover establishes fly leaf and rigid coupling on the connecting rod and face the first buffer spring who inhales sound piece one side at the fly leaf, the first buffer spring other end is connected on inhaling the sound piece.
Through adopting above-mentioned technical scheme, when people's air defense door received the impact, the impulsive force was used in on the door leaf, and the door leaf transmits the impact force on the fly leaf, and the fly leaf removes towards the direction that the door leaf closed, and first buffer spring and elasticity buffering impact force absorb the impact vibration that external impact force brought.
Optionally, a second buffer spring is sleeved on the connecting rod, and the elasticity of the second buffer spring is smaller than that of the first buffer spring.
By adopting the technical scheme, the elastic force of the first buffer spring is greater than that of the second buffer spring, so that the movable plate cannot be completely pushed away from the connecting rod by the second buffer spring; and the impact force is buffered to reciprocating of first buffer spring and second buffer spring's elasticity, makes the effect that the buffering subassembly cushioned the impact force better.
Optionally, the other end of the connecting rod is cantilevered.
Through adopting above-mentioned technical scheme, the setting is encorbelmented to the connecting rod tip, avoids buffering the subassembly and inhales a sound rigid connection, cuts off external impact force, reduces the impact effect of impact force.
Optionally, the sound absorbing member includes a casing and sound absorbing cotton filled in the casing, and a sound absorbing hole is formed in one side of the casing facing the buffering assembly.
Through adopting above-mentioned technical scheme, inhale the sound cotton and have the amortization, the sound wave takes place the friction and turns into heat energy in inhaling the cotton transmission process of sound, effectively reduces the transmission of sound wave to play the effect of noise reduction.
Optionally, the sound-absorbing cotton is externally coated with a facing cloth.
Through adopting above-mentioned technical scheme, the visor cloth blocks steam, avoids inhaling the cotton moisture of sound, and the cotton noise cancelling effect of sound is inhaled in the guarantee.
Optionally, a damping plate is disposed on a side of the housing facing away from the damping assembly.
Through adopting above-mentioned technical scheme, the damping plate is as a viscoelastic material, and is attached between shell and door leaf inner wall, mainly is in order to restrain and inhales the vibration of sound spare, destroys the fly leaf and inhales the resonance between the sound spare to avoid improving the syllable-dividing effect of door leaf because of the intensive effect of resonance to sound propagation.
Optionally, the steel plate is fixed on the steel skeleton by welding or riveting.
Through adopting above-mentioned technical scheme, the steel sheet seals the steel skeleton cladding, and the connected mode of steel sheet and steel skeleton adopts welding or riveting to the stability of guarantee door leaf installation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the buffering assembly and the sound absorbing piece are arranged in the door leaf, and absorb impact vibration and sound waves caused by external impact force, so that the influence of the impact force is reduced, and the purposes of explosion prevention and impact resistance of the civil air defense door are achieved;
2. through the setting of encorbelmenting the connecting rod tip that will cushion the subassembly, avoid buffering the subassembly and inhale sound piece rigid connection, cut off external impact force, reduce the impact effect of impact force.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is a schematic view of an internal structure of a door leaf in an embodiment of the present application.
Description of reference numerals:
1. a door frame; 2. a door leaf; 3. a steel skeleton; 4. a steel plate; 5. a buffer assembly; 51. a movable plate; 52. a connecting rod; 53. a first buffer spring; 54. a second buffer spring; 6. a sound absorbing member; 61. a housing; 62. a sound absorption hole; 63. sound-absorbing cotton; 64. a damping plate.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses explosion-proof people's air defense door that shocks resistance. Referring to fig. 1, the explosion-proof and impact-resistant civil air defense door comprises a door frame 1 and a door leaf 2, wherein the door frame 1 is installed on a door opening of a wall body, and the door leaf 2 is hinged on the door frame 1.
Referring to fig. 2, the door leaf 2 comprises a rectangular steel framework 3, a steel plate 4 is laid outside the steel framework 3, and the steel framework 3 is coated and sealed; the steel plate 4 and the steel skeleton 3 can be connected by welding or riveting to ensure the installation stability of the steel plate 4; the inside buffering subassembly 5 and the sound piece 6 of inhaling that is provided with of steel skeleton 3, through buffering subassembly 5 and inhale the impact vibration and the sound wave that the sound piece 6 absorbed the external impact force and bring, reduce the influence of impact force, reach the explosion-proof purpose of shocking resistance of people's air defense door.
With the opening direction of the door 2 as a reference, the buffer assembly 5 is located on one side facing the opening direction of the door 2, and the sound absorbing member 6 is located on one side facing away from the opening direction of the door 2.
Specifically, the buffer assembly 5 includes a movable plate 51, a plurality of groups of connecting rods 52, a first buffer spring 53 and a second buffer spring 54, the connecting rods 52 are distributed in the steel frame 3 in a rectangular shape, one end of each connecting rod 52 is horizontally and fixedly connected to the steel plate 4 located in the opening direction of the door leaf 2, and the other end of each connecting rod 52 is cantilevered; the movable plate 51 is provided with a plurality of sets of through holes, and the through holes are sleeved on the connecting rod 52, so that the movable plate 51 can perform translational motion along the axial direction of the connecting rod 52.
The first buffer spring 53 is located on one side of the movable plate 51 facing the sound-absorbing member 6, one end of the first buffer spring 53 is fixedly connected with the movable plate 51, and the other end is fixedly connected with the surface of the sound-absorbing member 6; the second buffer spring 54 is sleeved on the connecting rod 52, and one end of the second buffer spring 54 is fixedly connected with the fixed plate, and the other end is fixedly connected with the movable plate 51. The elastic force of the first buffer spring 53 is greater than that of the second buffer spring 54, and the axial length of the second buffer spring 54 when not affected by an external force is less than that of the connecting rod 52, i.e., the second buffer spring 54 does not push the movable plate 51 away from the connecting rod 52 completely.
The sound absorbing member 6 includes a rectangular casing 61, a sound absorbing hole 62 is opened on a side of the casing 61 facing the buffering assembly 5, and the first buffering spring 53 is supported and fixed on the casing 61. The sound absorption cotton 63 is filled in the shell 61, and the exterior of the sound absorption cotton 63 is coated with the facing cloth; the sound absorption cotton 63 has a silencing effect, and sound waves are converted into heat energy by friction in the transmission process of the sound absorption cotton 63, so that the transmission of the sound waves is effectively reduced, and the effect of reducing noise is achieved; the protective fabric blocks water vapor, prevents the sound-absorbing cotton 63 from being affected with damp, and guarantees the sound-absorbing cotton 63 noise reduction effect.
One side that shell 61 deviates from buffering subassembly 5 is provided with damping plate 64, and damping plate 64 selects for self-adhesion improvement asphalt board, and damping plate 64 is attached between shell 61 and door leaf 2 inner wall as a viscoelastic material, mainly for the suppression inhales the vibration of sound piece 6, destroys the fly leaf 51 and inhales the resonance between the sound piece 6 to avoid improving the syllable-dividing effect of door leaf 2 because of the intensive effect of resonance to sound propagation.
The explosion-proof impact-resistant civil air defense door of the embodiment is in a closed state everyday, when the civil air defense door is impacted, the impact force acts on the door leaf 2, the door leaf 2 transmits the impact force to the movable plate 51, the movable plate 51 moves towards the closing direction of the door leaf 2, and the elastic force of the first buffer spring 53 and the second buffer spring 54 buffers the impact force in a reciprocating manner, so that the damage of the impact force to the door leaf 2 is reduced; the sound wave caused by the impact force enters the sound absorbing piece 6, and the sound wave energy is consumed through the sound absorbing cotton 63, so that the harm of the sound wave to the human body is avoided.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The utility model provides an explosion-proof people's air defense door of shocking resistance, includes door frame (1) and door leaf (2) that articulate on door frame (1), its characterized in that: door leaf (2) include steel skeleton (3) and cladding at steel sheet (4) that steel skeleton (3) are outside, door leaf (2) inside is provided with buffering subassembly (5) that are used for absorbing the impact force and inhales sound piece (6) that are used for absorbing the sound wave, opens the direction along door leaf (2), buffering subassembly (5) are located and open the one side of direction towards door leaf (2), inhale sound piece (6) and are located and deviate from one side that door leaf (2) opened the direction.
2. An explosion-proof and impact-resistant civil air defense door according to claim 1, characterized in that: buffering subassembly (5) include connecting rod (52) of horizontal rigid coupling on steel sheet (4), establish fly leaf (51) and rigid coupling on connecting rod (52) and face at fly leaf (51) and inhale first buffer spring (53) of sound piece (6) one side, first buffer spring (53) other end is connected on inhaling sound piece (6).
3. An explosion-proof impact-resistant civil air defense door according to claim 2, characterized in that: the connecting rod (52) is sleeved with a second buffer spring (54), and the elastic force of the second buffer spring (54) is smaller than that of the first buffer spring (53).
4. An explosion-proof impact-resistant civil air defense door according to claim 2, characterized in that: the other end of the connecting rod (52) is arranged in a cantilever way.
5. An explosion-proof and impact-resistant civil air defense door according to claim 1, characterized in that: inhale sound spare (6) including shell (61) and fill in inhaling sound cotton (63) in shell (61), sound hole (62) have been seted up towards one side of buffer unit (5) in shell (61).
6. An explosion-proof impact-resistant civil air defense door according to claim 5, characterized in that: the sound-absorbing cotton (63) is coated with a facing cloth.
7. An explosion-proof impact-resistant civil air defense door according to claim 5, characterized in that: and a damping plate (64) is arranged on one side of the shell (61) departing from the buffer component (5).
8. An explosion-proof and impact-resistant civil air defense door according to claim 1, characterized in that: the steel plate (4) is fixed on the steel skeleton (3) in a welding or riveting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122544901.5U CN216043407U (en) | 2021-10-21 | 2021-10-21 | Explosion-proof people's air defense door that shocks resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122544901.5U CN216043407U (en) | 2021-10-21 | 2021-10-21 | Explosion-proof people's air defense door that shocks resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043407U true CN216043407U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122544901.5U Active CN216043407U (en) | 2021-10-21 | 2021-10-21 | Explosion-proof people's air defense door that shocks resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216043407U (en) |
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2021
- 2021-10-21 CN CN202122544901.5U patent/CN216043407U/en active Active
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