CN117584823A - Large impact overload energy-absorbing seat - Google Patents
Large impact overload energy-absorbing seat Download PDFInfo
- Publication number
- CN117584823A CN117584823A CN202311577659.9A CN202311577659A CN117584823A CN 117584823 A CN117584823 A CN 117584823A CN 202311577659 A CN202311577659 A CN 202311577659A CN 117584823 A CN117584823 A CN 117584823A
- Authority
- CN
- China
- Prior art keywords
- seat
- assembly
- backrest
- energy
- upright post
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- ULEBESPCVWBNIF-BYPYZUCNSA-N L-arginine amide Chemical compound NC(=O)[C@@H](N)CCCNC(N)=N ULEBESPCVWBNIF-BYPYZUCNSA-N 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000004880 explosion Methods 0.000 description 3
- 230000036544 posture Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4249—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash
- B60N2/4256—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash the shape of the seat being specially adapted for a particular purpose or for particular vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/427—Seats or parts thereof displaced during a crash
- B60N2/42709—Seats or parts thereof displaced during a crash involving residual deformation or fracture of the structure
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention relates to the technical field of energy-absorbing seats, and discloses a large-impact overload energy-absorbing seat which comprises a seat basic frame, wherein the seat basic frame consists of a mounting bracket, a seat flexible body and an energy-absorbing module; the mounting bracket comprises two upright posts, the two upright posts are symmetrically arranged, bearing seats are fixedly arranged at two ends of one side, close to the upright posts, of each of the two side, and a cross beam is fixedly arranged between the corresponding two bearing seats; the middle end of the rod wall of the upright post is movably sleeved with an upper shaft sleeve, a limiting mechanism is arranged between the upper shaft sleeve and the upright post, and the lower end of the upright post is fixedly sleeved with a lower shaft sleeve. According to the large-impact overload energy-absorbing seat, modularized designs of optimization upgrading and replacement can be independently carried out on all components, the use requirements of different energy-absorbing magnitudes of multiple vehicle types are met, the rapid split installation design formed by means of the U-shaped bayonet design is adopted, the flexible part is detachably designed, and the trafficability requirements of special equipment such as armored vehicles are met.
Description
Technical Field
The invention relates to the technical field of energy-absorbing seats, in particular to a large-impact overload energy-absorbing seat.
Background
With the remarkable increase of threat of land mines and simple explosive devices facing the armored vehicles in international battlefield and mission, the research on comprehensive protection of armored vehicles is enhanced in various countries. When the vehicle is subjected to explosion impact and the integral structure of the vehicle body cannot be changed for a short time, the seat becomes the last line of defense for life safety protection of passengers, so that the research of the seat for preventing the explosion of the mine is carried out at home and abroad.
Although most manufacturers and institutions develop buffering vibration-damping seats, armored vehicles are complex in structure, small in space size and special in use environment, and the seats cannot be matched and combined and installed freely according to different vehicle types, so that the large-impact overload energy-absorbing seats are applied to various vehicles at a certain distance from abroad.
Disclosure of Invention
(one) solving the technical problems
Aiming at the safety protection problem of personnel when the existing equipment is used for coping with explosion impact, the large impact overload energy-absorbing seat which is easy to install and use is provided, the use requirement of special environments in narrow and complex installation spaces of armored vehicles is met to the maximum extent, the instantaneous large impact energy transferred to the bodies of passengers is isolated/absorbed, the modification of a multi-level energy-absorbing scheme can be carried out, and the safety of passengers of different vehicles is protected.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the high-impact overload energy-absorbing seat comprises a seat basic frame, wherein the seat basic frame consists of a mounting bracket, a seat flexible body and an energy-absorbing module;
the mounting bracket comprises two upright posts, the two upright posts are symmetrically arranged, bearing seats are fixedly arranged at two ends of one side, close to the upright posts, of each of the two side, and a cross beam is fixedly arranged between the corresponding two bearing seats;
an upper shaft sleeve is movably sleeved at the middle end of the rod wall of the upright post, a limiting mechanism is arranged between the upper shaft sleeve and the upright post, a lower shaft sleeve is fixedly sleeved at the lower end of the upright post, an L-arm assembly is arranged at one side of the lower end of the upright post, and the L-arm assembly is connected with two ends of a lower cross beam through a lower bearing and a lower bearing seat;
the seat flexible body comprises a cushion assembly, a backrest assembly and a headrest assembly, wherein the cushion assembly is fixedly arranged on the upper side of the L-arm assembly, the backrest assembly is hinged to the upper side of the cushion assembly, and the headrest assembly is connected to the upper side of the backrest assembly in a sliding manner;
the lower side of the upright post is provided with an energy absorber, and the movable end of the energy absorber is fixedly connected with the backrest component.
Preferably, the limiting mechanism comprises a bolt, a plurality of threaded holes are sequentially formed in the side wall of the upright post from top to bottom, the bolt is sleeved inside one side of the upper shaft sleeve, which is close to the threaded holes, and one end of the bolt is in threaded connection with the corresponding threaded holes.
Preferably, a functional adjusting assembly is arranged on one side of the backrest assembly, and the functional adjusting assembly comprises a height adjusting device, a front-back adjusting device and a backrest angle adjusting device.
Preferably, locking structures are arranged between the cushion assembly and the backrest assembly and between the backrest assembly and the headrest assembly.
Preferably, a tension spring is fixedly arranged on one side of the upright post, which is close to the backrest assembly, and two ends of the tension spring are fixedly connected with the corresponding cross beam and the backrest assembly respectively.
Preferably, the mounting flanges are fixedly arranged at the two ends of the upright post.
(III) beneficial effects
Compared with the prior art, the invention provides the high-impact overload energy-absorbing seat, which has the following beneficial effects:
1. the large impact overload energy-absorbing seat can replace parts according to different energy-absorbing demands and size demands by adopting a modularized design, and the large impact overload energy-absorbing seat is not designed in an integral manner, so that the large impact overload energy-absorbing seat has a wider application range.
2. This big overload energy-absorbing seat that strikes adopts the double-beam design through for three crossbeam structures, this seat simplified structure, is fixed in the seat on roof and lateral wall/bottom plate firmly, and the seat adopts the body quick assembly disassembly as required, satisfies special equipment trafficability characteristic requirement.
3. The large-impact overload energy-absorbing seat can be integrally installed, can be installed in a split mode, does not need to be installed, is integrally installed in a vehicle, meets the operation requirement of a narrow space, and is more suitable for armored vehicles.
Drawings
FIG. 1 is a schematic structural view of a high impact overload energy absorbing seat of the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a top view of fig. 1.
In the figure: 1-upright post, 2-L arm component, 3-headrest component, 4-backrest component, 5-cushion component, 6-upper shaft sleeve, 7-lower shaft sleeve, 8-energy absorber, 9-tension spring and 10-function adjusting component.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a high impact overload energy absorbing seat comprises a seat basic frame, wherein the seat basic frame consists of a mounting bracket, a seat flexible body and an energy absorbing module;
the mounting bracket comprises two upright posts 1, the two upright posts 1 are symmetrically arranged, bearing seats are fixedly arranged at two ends of one side, close to the upright posts 1, of each two sides, and a cross beam is fixedly arranged between the corresponding two bearing seats;
an upper shaft sleeve 6 is movably sleeved at the middle end of the rod wall of the upright post 1, a limiting mechanism is arranged between the upper shaft sleeve 6 and the upright post 1, a lower shaft sleeve 7 is fixedly sleeved at the lower end of the upright post 1, an L-arm assembly 2 is arranged at one side of the lower end of the upright post 1, and the L-arm assembly 2 is connected at two ends of a lower cross beam through a lower bearing and a lower bearing seat;
the seat flexible body comprises a cushion assembly 5, a backrest assembly 4 and a headrest assembly 3, wherein the cushion assembly 5 is fixedly arranged on the upper side of the L-arm assembly 2, the backrest assembly 4 is hinged on the upper side of the cushion assembly 5, and the headrest assembly 3 is connected on the upper side of the backrest assembly 4 in a sliding manner;
the lower side of the upright post 1 is provided with an energy absorber 8, and the movable end of the energy absorber 8 is fixedly connected with the backrest component 4.
The stop gear includes the bolt, and a plurality of screw holes have been seted up in proper order from last to down to the lateral wall of stand 1, and inside one side that upper shaft sleeve 6 is close to the screw hole was located to the bolt thread bush, the one end and the screw hole threaded connection that correspond of bolt, conveniently carry out altitude mixture control to upper shaft sleeve 6.
One side of the backrest component 4 is provided with a functional adjusting component 10, and the functional adjusting component 10 comprises a height adjusting device, a front-back adjusting device and a backrest angle adjusting device, so that a proper sitting posture and sitting height can be adjusted according to the stature of a user.
Locking structures are arranged between the cushion component 5 and the backrest component 4 and between the backrest component 4 and the headrest component 3, so that the high reliability locking of different sitting postures is ensured.
The stand 1 is close to the fixed extension spring 9 that is provided with in one side of back subassembly 4, and the both ends of extension spring 9 respectively with corresponding crossbeam and back subassembly 4 fixed connection can realize high low regulation helping hand.
The mounting flanges are fixedly arranged at the two ends of the upright post 1, so that the upright post 1 and a vehicle body can be conveniently mounted.
In sum, when the large-impact overload energy-absorbing seat is used, the energy-absorbing device is in modularized design and is subjected to matching installation according to different impact magnitudes and vibration isolation requirements, the energy-absorbing device mainly comprises an energy absorber 8, an L-arm assembly 2, a flexible body and the like, the energy absorber 8 is embedded and fixed between an upper beam and a lower beam of a seat guide structure and is transversely positioned by a column 1 in the guide structure, the energy-absorbing device is an adjustable part of an energy-absorbing module, and different energy-absorbing magnitudes are adjusted by the adjustable part; the L-arm assembly 2 is connected to two ends of the lower cross beam through a lower bearing and a lower bearing seat and is used for lifting a seat flexible body part to serve as a main elastic energy absorption component; the seat flexible body mainly comprises a headrest component 3, a backrest component 4 and a cushion component 4, and is directly contacted with a human body to serve as an auxiliary energy absorption component; the side tension springs 9 are linked with the lower beam of the passenger seat, and the auxiliary energy absorber 8 absorbs energy; the function adjusting assembly 10 is used for realizing the seat adjusting function and comprises a height adjusting device, a front-back adjusting device and a backrest angle adjusting device, the function adjusting assembly 10 and the energy absorbing device share a side tension spring 9 to realize the assistance of height adjustment, and meanwhile, the function adjusting assembly is provided with a locking structure to ensure the reliable locking of the heights of different sitting postures, and the front-back adjusting and the backrest angle adjusting are reliably locked in a bolt mode; the soft part of the seat and the inner framework are fixedly connected with the L-arm assembly 2, and when the seat is subjected to large impact overload, the L-arm assembly 2 drives the seat to generate relative displacement along the z-axis direction.
It should be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a big overload energy-absorbing seat that strikes, includes seat basic frame, its characterized in that: the seat basic frame consists of a mounting bracket, a seat flexible body and an energy absorption module;
the mounting bracket comprises two upright posts (1), the two upright posts (1) are symmetrically arranged, bearing seats are fixedly arranged at two ends of one side, close to the upright posts (1), of each of the two sides, and a cross beam is fixedly arranged between the corresponding two bearing seats;
an upper shaft sleeve (6) is movably sleeved at the middle end of the rod wall of the upright post (1), a limiting mechanism is arranged between the upper shaft sleeve (6) and the upright post (1), a lower shaft sleeve (7) is fixedly sleeved at the lower end of the upright post (1), an L-arm assembly (2) is arranged at one side of the lower end of the upright post (1), and the L-arm assembly (2) is connected at two ends of a lower cross beam through a lower bearing and a lower bearing seat;
the seat flexible body comprises a seat cushion assembly (5), a backrest assembly (4) and a headrest assembly (3), wherein the seat cushion assembly (5) is fixedly arranged on the upper side of the L-arm assembly (2), the backrest assembly (4) is hinged to the upper side of the seat cushion assembly (5), and the headrest assembly (3) is connected to the upper side of the backrest assembly (4) in a sliding manner;
energy absorption modules such as dampers are arranged between the two upright posts (1) and between the upper cross beam and the lower cross beam, and can be selected and matched according to energy absorption requirements.
2. The high impact overload energy absorbing seat of claim 1, wherein: the limiting mechanism comprises a bolt, a plurality of threaded holes are sequentially formed in the side wall of the upright post (1) from top to bottom, the bolt is sleeved inside one side, close to the threaded holes, of the upper shaft sleeve (6), and one end of the bolt is in threaded connection with the corresponding threaded holes.
3. The high impact overload energy absorbing seat of claim 1, wherein: one side of the backrest component (4) is provided with a functional adjusting component (10), and the functional adjusting component (10) comprises a height adjusting device, a front-back adjusting device and a backrest angle adjusting device.
4. The high impact overload energy absorbing seat of claim 1, wherein: locking structures are arranged between the cushion component (5) and the backrest component (4) and between the backrest component (4) and the headrest component (3).
5. A high impact overload energy absorbing seat as claimed in claim 3 wherein: tension springs (9) are fixedly arranged on one sides of the upright posts (1) close to the backrest components (4), and two ends of each tension spring (9) are fixedly connected with the corresponding cross beam and the backrest components (4) respectively.
6. The high impact overload energy absorbing seat of claim 1, wherein: mounting flanges are fixedly arranged at two ends of the upright post (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311577659.9A CN117584823A (en) | 2023-11-24 | 2023-11-24 | Large impact overload energy-absorbing seat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311577659.9A CN117584823A (en) | 2023-11-24 | 2023-11-24 | Large impact overload energy-absorbing seat |
Publications (1)
Publication Number | Publication Date |
---|---|
CN117584823A true CN117584823A (en) | 2024-02-23 |
Family
ID=89914666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202311577659.9A Pending CN117584823A (en) | 2023-11-24 | 2023-11-24 | Large impact overload energy-absorbing seat |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN117584823A (en) |
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2023
- 2023-11-24 CN CN202311577659.9A patent/CN117584823A/en active Pending
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