CN210478457U

CN210478457U - Integrated energy-absorbing seat

Info

Publication number: CN210478457U
Application number: CN201921184969.3U
Authority: CN
Inventors: 张然
Original assignee: Chongqing Zhier Technology Co ltd
Current assignee: Chongqing Zhier Technology Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-08
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses an integrated form energy-absorbing seat, including seat, back skeleton and energy-absorbing device, the energy-absorbing device integrate in on the back skeleton, the seat passes through connecting plate and energy-absorbing device fixed connection. The energy absorption device comprises a guide pipe, a steel belt, a pin shaft, a bearing assembly and a sliding block assembly, wherein a movable groove is formed in the guide pipe, and the bearing assembly is sleeved outside the guide pipe and fixed through the sliding block assembly sleeved outside the guide pipe. The steel band set up in the stand pipe and upper and lower both ends are fixed, be equipped with the elastic bending structure on the steel band, the round pin axle respectively cross set up in the both sides of elastic bending structure, and the protruding activity groove that stretches out the stand pipe in the both ends of round pin axle is outside and be fixed in on the bearing subassembly. The utility model discloses having and adopting above-mentioned structural design, having better buffering effect of moving away to avoid possible earthquakes, having reached higher travelling comfort and security, reducing human irreversible injury.

Description

Integrated energy-absorbing seat

Technical Field

The utility model relates to an automobile parts field, concretely relates to integrated form energy-absorbing seat.

Background

When an armored vehicle or a lightning protection vehicle is attacked by the explosion wave of an explosive at the moment of explosion of a landmine, a plurality of casualty accidents are not caused by the breakdown of the armored vehicle, but are caused by the explosion shock wave. Therefore, the seat of the existing armored vehicle or thunder-proof vehicle is subjected to damping and buffering as an important subject of current research, the existing thunder-proof seat usually adopts a spring as a damping part, the lightning-proof damping can only damp a small section of vibration frequency, the damping effect is not good, and the good protection effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

Not enough to the aforesaid, the utility model aims to provide an integrated form energy-absorbing seat, it has the advantage that the buffering is effectual, the security is high.

In order to achieve the above purpose, the utility model provides a technical scheme is:

the integrated energy-absorbing seat comprises a seat, a backrest framework and an energy-absorbing device, wherein the energy-absorbing device is integrated on the backrest framework, and the seat is fixedly connected with the energy-absorbing device through a connecting plate. The energy absorption device comprises a guide pipe, a steel belt, a pin shaft, a bearing assembly and a sliding block assembly, wherein a movable groove is formed in the guide pipe, and the bearing assembly is sleeved outside the guide pipe and fixed through the sliding block assembly sleeved outside the guide pipe. The steel band set up in the stand pipe and upper and lower both ends are fixed, be equipped with the elastic bending structure on the steel band, the round pin axle respectively cross set up in the both sides of elastic bending structure, and the protruding activity groove that stretches out the stand pipe in the both ends of round pin axle is outside and be fixed in on the bearing subassembly.

Preferably, the upper end and the lower end of the guide pipe and the steel strip are correspondingly penetrated and provided with through holes, the through holes at the lower end of the steel strip are long-strip-shaped, and the upper end and the lower end of the steel strip penetrate through the through holes through bolts to fix the two ends of the steel strip.

Preferably, the bearing assembly comprises an upper bearing, a bushing and a lower bearing, the bushing is fixedly arranged on the guide pipe, two ends of the pin shaft are fixed on the bushing, and the upper bearing and the lower bearing are respectively arranged on the guide pipe in a sliding manner and are positioned at the upper end and the lower end of the bushing.

Preferably, the slider subassembly includes slider, top shoe and position sleeve down, slider and top shoe overlap in proper order and locate outside the bearing subassembly down, the position sleeve has installation department and installation department down, the position sleeve cover is located on the stand pipe and through installation department down with top shoe fixed connection, the mounting hole has been seted up on the last installation department, and the opening groove has been seted up to the mounting hole top edge, the last installation department of position sleeve passes through the bolt passes the through-hole of mounting hole and stand pipe and steel band fixed.

Preferably, the height of the lower slider is 1/2 of the height of the lower bearing, and the lower slider is provided with a connecting pin for connecting with the upper slider.

Preferably, two sides of the backrest framework are provided with two energy absorption devices, and two sides of the seat are fixedly connected with lower sliders and upper sliders of the energy absorption devices through connecting plates.

Preferably, the elastic bending structure is in an S shape, the number of the pin shafts is 3, and each pin shaft is installed at the bending part of the elastic bending structure in an abutting mode.

Preferably, the upper end and the lower extreme of stand pipe upwards respectively with downwardly extending conduct the back skeleton, the back skeleton includes two stand pipes that the left and right sides set up, and the upper end middle part is equipped with horizontal pole fixed connection, the upper end of stand pipe is equipped with mounting structure, and the lower extreme is equipped with down mounting structure, is used for the installation of back skeleton fixed respectively.

Preferably, go up mounting structure includes pivot dress axle, connecting portion and fixed plate, pivot dress axle transversely is fixed in the top of stand pipe, the fixed plate level is fixed in the upper end of connecting portion, the rotatable pivot of lower extreme of connecting portion adorn in on the pivot dress axle, when carrying out back skeleton installation fixed, the fine setting of being convenient for improves the installation effectiveness.

The utility model has the advantages that:

1. the utility model discloses a seat passes through connecting plate and energy-absorbing device fixed connection, and when the car received the explosion bottom plate and appears seriously warping, the stand pipe upwards produces relative movement with the energy-absorbing device along with the deformation of bottom plate, at this moment energy-absorbing device and seat pass through the relative movement between round pin axle and the steel band, produce elastic potential energy, realize the buffering of seat, play the guard action to personnel, reduce the irreversible injury of human body. Meanwhile, the potential energy required for the deformation of the elastic bending structure of the steel belt is large, so that the steel belt has strong impact resistance;

2. the design of the upper mounting part is used for fixing the guide pipe, the steel belt and the positioning sleeve, so that in the moving process of an automobile, the guide pipe cannot move relatively due to jolting, the steel belt cannot creep relatively due to repeated stress, and the guide pipe is moved upwards due to huge impact, so that the constraint of the mounting sleeve can be broken, the energy absorption device can normally work, the buffer of the seat is realized, therefore, the design of the mounting hole and the opening groove can not only avoid the creep generated due to the stress of the steel belt in the driving process, but also can not influence the normal work of the energy absorption device under the impact of explosion, and the comfort and the safety of the energy absorption device on the seat are further optimized;

3. the utility model discloses an upper end and the lower extreme of stand pipe upwards respectively with downwardly extending conduct the back skeleton, therefore, the utility model discloses integrate the back skeleton of energy-absorbing device and seat with this as the integral type, not only the stability of energy-absorbing buffering is stronger, and is more stable, and the structure is simpler moreover.

The present invention will be further explained with reference to the drawings and the embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the energy absorber device of FIG. 1;

FIG. 3 is an exploded view of the energy absorber device of FIG. 2;

FIG. 4 is a schematic structural view of the steel strip of FIG. 1;

FIG. 5 is a schematic view of another angle configuration of the energy absorber device;

FIG. 6 is a cross-sectional view of an energy absorber device;

FIG. 7 is a schematic view of the structure of the positioning sleeve;

fig. 8 is a schematic view of the structure of the mounting structure.

The reference numerals in the drawings are explained below.

The seat comprises a seat 1, a backrest framework 2, a cross bar 21, an upper mounting structure 22, a pivoting shaft 221, a connecting part 222, a fixing plate 223, a lower mounting structure 23, an energy absorption device 3, a guide pipe 31, a steel belt 32, an elastic bending structure 321, a through hole 322, a pin shaft 33, a bearing assembly 34, an upper bearing 341, a bushing 342, a lower bearing 343, a slider assembly 35, a lower slider 351, an upper slider 352, a positioning sleeve 353, an upper mounting part 3531, a lower mounting part 3532, a mounting hole 3533, an open groove 3534, a mounting plane 354, a fixing hole 355, a movable groove 36, a bolt 37 and a connecting plate 4.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 8, an integrated energy-absorbing seat includes a seat 1, a backrest frame 2 and an energy-absorbing device 3, wherein the energy-absorbing device 3 is integrated on the backrest frame 2, and the seat 1 is fixedly connected to the energy-absorbing device 3 through a connecting plate 4. The energy absorption device 3 comprises a guide pipe 31, a steel belt 32, a pin shaft 33, a bearing assembly 34 and a sliding block assembly 35, wherein a movable groove 36 is formed in the guide pipe 31, the movable groove 36 is of a long strip-shaped structure, the bearing assembly 34 is sleeved outside the guide pipe 31 and fixed through the sliding block assembly 35 sleeved outside the guide pipe 31, and the steel belt 32 is arranged in the guide pipe 31 and fixed at the upper end and the lower end. The steel belt 32 is provided with an elastic bending structure 321, the pin shafts 33 are respectively arranged on two sides of the elastic bending structure 321 in a crossed manner, and two ends of the pin shaft 33 protrude out of the movable groove 36 of the guide pipe 31 and are fixed on the bearing assembly 34. The utility model discloses a seat adopts above-mentioned structural design, when the car received the explosion bottom plate and appears seriously warping, the stand pipe 31 upwards produces relative movement with energy-absorbing device 3 along with the deformation of bottom plate, this moment energy-absorbing device 3 and seat 1 produce elastic potential energy through the relative movement between round pin axle 33 and the steel band 32, realize the buffering of seat, play the guard action to personnel, simultaneously the required potential energy of production deformation of the elastic bending structure 321 of steel band 32 is great, consequently has very strong shock resistance.

In this embodiment, the upper end and the lower extreme of stand pipe 31 upwards respectively and downwardly extending do as back skeleton 2, consequently, the utility model discloses integrated as the integral type with this back skeleton 2 with energy-absorbing device 3 and seat 1, not only the stability of energy-absorbing buffering is stronger, and is more stable, and the structure is simpler moreover. The backrest framework 2 comprises two guide pipes 31 arranged on the left side and the right side, the middle of the upper end of each guide pipe 31 is fixedly connected with a cross rod 21, an upper mounting structure 22 is arranged at the upper end of each guide pipe 31, a lower mounting structure 23 is arranged at the lower end of each guide pipe, and the upper mounting structures and the lower mounting structures are respectively used for mounting and fixing the backrest framework 2 to the roof and the bottom of the car.

Specifically, the upper mounting structure 22 includes a pivot shaft 221, a connecting portion 222 and a fixing plate 223, the pivot shaft 221 is transversely fixed at the top end of the guide tube 31, the fixing plate 223 is horizontally fixed at the upper end of the connecting portion 222, the lower end of the connecting portion 222 is rotatably pivoted on the pivot shaft 221, when the backrest frame 2 is mounted and fixed, fine adjustment is facilitated, and the mounting efficiency is improved.

The upper end and the lower end of the guide tube 31 and the steel strip 32 are correspondingly penetrated and provided with through holes 322, the through holes 322 at the lower end of the steel strip 32 are long, and the upper end and the lower end of the steel strip 32 penetrate through the through holes through bolts 37 to fix the two ends. The utility model provides a lower extreme through-hole 322 of steel band 32 is long banding structural design, and when steel band 32 rebound, the mutual atress between elasticity bending structure 321 and the round pin axle 33 can be avoided being in the tensioning state condition that fracture appears or can not relative movement between the steel band 32 both ends, and then causes the buffering energy-absorbing failure.

Further, the bearing assembly 34 includes an upper bearing 341, a bushing 342 and a lower bearing 343, the bushing 342 is fixedly mounted on the guide tube 31, two ends of the pin 33 are fixed on the bushing 342, and the upper bearing 341 and the lower bearing 343 are respectively slidably mounted on the guide tube 31 and located at the upper end and the lower end of the bushing 342. The middle bushing 342 is used for fixing the pin 33 to prevent the pin from moving under the condition of not receiving impact force, and ensures that the steel belt 32 and the elastic bending structure 321 thereof are in an unstressed state under a normal state; the upper bearing 341 and the lower bearing 343 are arranged to move relative to the guide pipe 31, but when the upper bearing 341 and the lower bearing 343 are not stressed, they are fixed in a stationary fixed state by an external slider assembly, and when the upper bearing 341 and the lower bearing 343 are stressed, they can move relative to the guide pipe 31, so that the steel belt 32 is stressed to achieve the effect of impact force removal, and therefore, the arrangement of the upper bearing 341 and the lower bearing 343 can play a role of guiding and reducing the motion resistance during the relative motion. The upper bearing 341 and the lower bearing 343 may be slidably mounted on the guide tube 31 through a track arrangement.

Specifically, the slider assembly 35 includes a lower slider 351, an upper slider 352 and a positioning sleeve 353, and the lower slider 351 and the upper slider 352 are sequentially sleeved outside the bearing assembly 34 for fixing the bearing assembly 34 and the steel belt 32 installed in the guide tube 31. The position sleeve 353 has an upper mounting portion 3531 and a lower mounting portion 3532, the position sleeve 353 is sleeved with the guide pipe 31 and is fixedly connected with the upper sliding block 352 through the lower mounting portion 3532, a mounting hole 3533 is formed in the upper mounting portion 3531, an open groove 3534 is formed in the upper end edge of the mounting hole 3533, the upper mounting portion 3531 of the position sleeve 353 is passed through the bolt 37, the mounting hole 3533 is fixed through a through hole formed in the guide pipe 31 and the steel belt 32. Wherein, the design of going up installation portion 3531 is used for fixing stand pipe 31, steel band 32 and position sleeve 353, and then in the automobile motion process, stand pipe 31 can not produce relative movement because of jolting, can not make steel band 32 atress repeatedly cause the seat to wriggle relatively, and open groove 3534's design, receive huge impact at stand pipe 31 and upwards portable, can break through the constraint of installation sleeve 353, can make energy-absorbing device 3 normal work, realize the buffering of seat, consequently, mounting hole 3533 and open groove 3534's design not only can avoid producing the wriggling at driving in-process steel band 32 atress, and can not influence the normal work of energy-absorbing device 3 under the explosive impact.

In this embodiment, the height of the lower slider 351 is 1/2 of the height of the lower bearing 343, and the lower slider 351 is provided with a connecting pin for connecting with the upper slider 352, and when mounting, because the upper bearing 341 and the lower bearing 343 are relatively movable with respect to the guide tube 31, there is a difficulty in moving when mounting the slider assembly 35, and therefore, with the above-mentioned structural design, the lower slider 351 is mounted to fix the lower bearing 343, and then the upper slider 352 and the positioning sleeve 353 are mounted.

In this embodiment, two energy absorbing devices 3 are disposed on two sides of the backrest frame 2, two sides of the seat 1 are fixedly connected to the lower slider 351 and the upper slider 352 of the energy absorbing device 3 through a connecting plate 4, wherein a mounting plane 354 is disposed on one side of the slider assembly 35, fixing holes 355 are disposed on the lower slider 351 and the upper slider 352, the connecting plate 4 is correspondingly disposed, and two ends of the connecting plate 4 respectively penetrate through the fixing holes 355 through bolts or pins to fixedly connect the lower slider 351 and the upper slider 352 of the seat 1 and the energy absorbing device 3 together.

In this embodiment, the elastic bending structure 321 is S-shaped, the number of the pins 33 is 3, and each pin 33 abuts against the bending portion of the elastic bending structure 321, when the automobile is impacted by explosion, the guide tube 31 drives the steel belt 32 to move upward relative to the bearing assembly 34 and the slider assembly 35, and the elastic bending structure 321 stretches along the pin 33 to generate potential energy, so as to generate a buffering effect on the seat 1.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used herein, they are used in a generic and descriptive sense only and not for purposes of limitation, the scope of the invention being defined by the following claims and their equivalents.

Claims

1. The utility model provides an integrated form energy-absorbing seat, includes seat (1), back skeleton (2) and energy-absorbing device (3), its characterized in that: the energy absorption device (3) is integrated on the backrest frame (2), the seat (1) is fixedly connected with the energy absorption device (3) through a connecting plate (4), the energy absorption device (3) comprises a guide pipe (31), a steel belt (32), a pin shaft (33), a bearing assembly (34) and a sliding block assembly (35), the guide pipe (31) is provided with a movable groove (36), the bearing assembly (34) is sleeved outside the guide pipe (31) and fixed through a slide block assembly (35) sleeved outside the bearing assembly, the steel belt (32) is arranged in the guide pipe (31) and the upper end and the lower end of the steel belt are fixed, the steel belt (32) is provided with an elastic bending structure (321), the pin shafts (33) are respectively arranged on two sides of the elastic bending structure (321) in a crossed manner, and two ends of the pin shaft (33) protrude out of the movable groove (36) of the guide pipe (31) and are fixed on the bearing assembly (34).

2. An integrated energy absorbing seat as claimed in claim 1, wherein: the upper end and the lower end of the guide pipe (31) and the steel strip (32) are correspondingly penetrated and provided with through holes (322), the through holes (322) at the lower end of the steel strip (32) are long, and the upper end and the lower end of the steel strip (32) penetrate through the through holes through bolts (37) to fix the two ends of the steel strip.

3. An integrated energy absorbing seat as claimed in claim 2, wherein: the bearing assembly (34) comprises an upper bearing (341), a bushing (342) and a lower bearing (343), the bushing (342) is fixedly arranged on the guide pipe (31), two ends of the pin shaft (33) are fixed on the bushing (342), and the upper bearing (341) and the lower bearing (343) are respectively arranged on the guide pipe (31) in a sliding manner and are positioned at the upper end and the lower end of the bushing (342).

4. An integrated energy absorbing seat as claimed in claim 3, wherein: slider component (35) include slider (351), last slider (352) and position sleeve (353) down, slider (351) and last slider (352) cover in proper order are located outside bearing assembly (34), position sleeve (353) have last installation department (3531) and lower installation department (3532), position sleeve (353) cover locate on stand pipe (31) and through lower installation department (3532) with go up slider (352) fixed connection, mounting hole (3533) have been seted up on last installation department (3531), and open slot (3534) have been seted up to mounting hole (3533) upper end edge, last installation department (3531) of position sleeve (353) pass through bolt (37) pass mounting hole (3533) and stand pipe (31) and steel band (32) the through-hole is fixed.

5. An integrated energy absorbing seat as claimed in claim 4, wherein: the height of the lower sliding block (351) is 1/2 of the height of the lower bearing (343), and a connecting pin is arranged on the lower sliding block (351) and is used for being connected with the upper sliding block (352).

6. An integrated energy absorbing seat as claimed in claim 4, wherein: two sides of the backrest frame (2) are provided with two energy absorption devices (3), and two sides of the seat (1) are fixedly connected with a lower sliding block (351) and an upper sliding block (352) of each energy absorption device (3) through connecting plates (4).

7. An integrated energy absorbing seat as claimed in claim 1, wherein: the elastic bending structure (321) is S-shaped, the number of the pin shafts (33) is 3, and each pin shaft (33) is propped against the bending part of the elastic bending structure (321).

8. An integrated energy absorbing seat as claimed in claim 1, wherein: the upper end and the lower extreme of stand pipe (31) upwards respectively with downwardly extending conduct back skeleton (2), two stand pipes (31) that the left and right sides set up are drawn together to back skeleton (2), and the upper end middle part is equipped with horizontal pole (21) fixed connection, the upper end of stand pipe (31) is equipped with mounting structure (22), and the lower extreme is equipped with down mounting structure (23), is used for the installation of back skeleton (2) respectively to be fixed.

9. An integrated energy absorbing seat as claimed in claim 8, wherein: the upper mounting structure (22) comprises a pivot mounting shaft (221), a connecting part (222) and a fixing plate (223), the pivot mounting shaft (221) is transversely fixed at the top end of the guide pipe (31), the fixing plate (223) is horizontally fixed at the upper end of the connecting part (222), the lower end of the connecting part (222) is rotatably pivoted on the pivot mounting shaft (221), and when the backrest framework (2) is fixedly mounted, fine adjustment is facilitated, and mounting efficiency is improved.