CN219077059U - Concentric upright post - Google Patents

Abstract

The utility model relates to the technical field of shock absorption upright posts, in particular to a concentric upright post, which has poor shock absorption effect and is used for connecting a seat with a vehicle, and the concentric upright post comprises a central shaft, wherein a guide post seat is arranged at the top of the central shaft, a guide post base is arranged at the bottom of the central shaft, a middle frame is sleeved on the central shaft, a lifting switch is arranged between the middle frame and the central shaft, a buffer structure is arranged on the middle frame, the middle frame is connected with an outer frame through bolts, a shock absorption structure is arranged between the middle frame and the outer frame, and a lifting structure is arranged between the middle frame and the guide post seat, so that the seat is lifted and the impact force is reduced, and the concentric upright post has good development prospect in the technical field of shock absorption upright posts.

Description

Concentric upright post

Technical Field

The utility model relates to the technical field of shock absorption stand columns, in particular to a concentric stand column.

Background

The seat is connected with the vehicle through concentric stand, and current most concentric stand structures are comparatively simple, and the shock attenuation effect is general, for ordinary seat shock attenuation, and the fight vehicle exists the risk that suffers thunderstorm impact, and ordinary stand structure can't satisfy the shock attenuation, the lightning protection demand of special measurement seat, consequently designs new concentric stand structure, makes it possess good shock attenuation lightning protection effect.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a concentric upright post, which solves the problem that the conventional concentric upright post for connecting a seat and a vehicle is poor in damping effect.

The technical scheme is that the concentric upright post comprises a central shaft, a guide post seat is arranged at the top of the central shaft, a guide post base is arranged at the bottom of the central shaft, a middle frame is sleeved on the central shaft, a lifting switch is arranged between the middle frame and the central shaft, a buffer structure is arranged on the middle frame, the middle frame is connected with an outer frame through bolts, a damping structure is arranged between the middle frame and the outer frame, and a lifting structure is arranged between the middle frame and the guide post seat.

When the seat is used, the seat and the concentric upright post are connected through the outer frame, the seat and the concentric upright post are fixed on the frame through the guide post base, a person sits on the seat, drives the outer frame, the middle frame and the seat to move upwards through opening the lifting switch and the lifting structure, and enables the seat to be unable to move through closing the lifting switch; when encountering a lightning strike, the impact force is reduced through the damping structure and the buffer structure.

Still further, the shock absorbing structure includes a shock absorbing spring and a shock absorbing spring shaft, by which an impact force is reduced.

Still further, the intermediate frame includes middle barrel and guide holder, the guide holder sets up respectively in middle barrel both ends, outer frame includes main connecting plate and intermediate strut seat, intermediate strut seat sets up respectively in main connecting plate upper and lower both ends, each set up perforation and the U type groove that supplies middle barrel to pass through on the main connecting plate, set up on the guide holder with the main connecting plate on perforation complex perforation, damping spring axle passes the perforation, damping spring cover is located on the damping spring axle, intermediate frame and outer frame structure adaptation assemble and fix to install shock-absorbing structure and buffer structure between the two, realize reducing the impact that the seat received.

Still further, the intermediate frame is externally provided with a protective cover assembly for protecting the internal components.

Still further, elevation structure includes the area ring spring that both ends all set up the pull ring, area ring spring cover is established on the center pin, set up the ring card on the intermediate frame, set up the extension spring on the guide post base and connect the cover, area ring spring one end is hung on the ring card at the extension spring and connect the cover other end, realizes the lift and the location of seat with the lift switch cooperation.

Furthermore, the casing is sleeved outside the spring with the ring and is used for protecting internal parts.

Still further, buffer structure includes polyurethane blotter, blotter spacer, expander and cutting ferrule, when receiving too big impact, the expander blocks the cutting ferrule in order to stop the seat motion.

Still further, the lifting switch includes seat handle, lifting bolt and a plurality of slot that sets up on the center pin, lifting bolt and seat handle pass through the floodgate line and connect, each the slot cooperates with lifting bolt, lifting bolt department sets up the slip round pin spring that is used for resetting.

Still further, the copper sheathing is established to damping spring axle overcoat, and the copper sheathing is empty to be overlapped and is fixed damping spring axle through the circlip for the standard part axle on the damping spring axle, prevents that damping spring axle is not hard up, the epaxial draw-in groove that sets up of damping spring, draw-in groove department sets up the cardboard, realizes damping spring axle and guide holder's fixed, the open end in U type groove sets up the supporting seat backing plate to fix outer frame and intermediate frame.

The utility model has the technical effects that all parts of the concentric upright post are assembled and fixed, and the whole interchangeability is realized; through the damping structure, the concentric upright post can absorb impact energy generated by explosion, so that the impact of the seat is reduced, compared with the seat regulated by the traditional concentric upright post, the impact acceleration is reduced from 200g to below 28g, the impact acceleration is effectively reduced to the human body bearing range, and the personal safety is ensured to the greatest extent; the height of the seat is adjusted through the lifting structure, so that the comfort level is improved.

Drawings

Fig. 1 is a schematic view of the internal structure of the present utility model.

Fig. 2 is a schematic cross-sectional structure of the present utility model.

Fig. 3 is a schematic view of the overall structure of the present utility model.

Fig. 4 is a schematic view of the front structure of the outer frame of the present utility model.

Fig. 5 is a schematic view of the back structure of the outer frame of the present utility model.

Fig. 6 is a schematic perspective view of the intermediate frame of the present utility model.

Fig. 7 is a schematic side view of the intermediate frame of the present utility model.

Fig. 8 is a schematic view of the lifting bolt structure of the utility model.

In the figure: 1. the guide post base, 2, the protective cover assembly, 3, the outer frame, 3.1, the main connecting plate, 3.2, the middle supporting seat, 3.3, the U-shaped groove, 4, the protective cylinder, 5, the center shaft, 6, the guide post seat, 7, the extension spring nipple, 8, the sliding pin spring, 9, the belt ring spring, 10, the clamping plate, 11, the damping spring, 12, the copper bush, 13, the middle frame, 13.1, the middle cylinder, 13.2, the guide seat, 14, the supporting seat backing plate, 15, the polyurethane buffer pad, 16, the buffer pad spacer, 17, the bulge loop, 18, the cutting ferrule, 19, the damping spring shaft, 20, the lifting bolt, 21, the perforation, 22 and the slot.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: given by fig. 1 to 8, a concentric column, including center pin 5, center pin 5 top sets up guide post seat 6, center pin 5 bottom sets up guide post base 1, suit intermediate frame 13 on the center pin 5, set up lifting switch between intermediate frame 13 and the center pin 5, set up buffer structure on intermediate frame 13, intermediate frame 13 passes through bolted connection outer frame 3, set up shock-absorbing structure between intermediate frame 13 and outer frame 3, set up lifting structure between intermediate frame 13 and the guide post seat 6.

In a second embodiment, on the basis of the first embodiment, the damping structure includes a damping spring 11 and a damping spring shaft 19, the impact force is reduced through the damping spring 11, the middle frame 13 includes a middle cylinder 13.1 and a guide seat 13.2, the guide seat 13.2 is respectively disposed at two ends of the middle cylinder 13.1, the outer frame 3 includes a main connecting plate 3.1 and a middle supporting seat 3.2, the middle supporting seat 3.2 is respectively disposed at the upper and lower ends of the main connecting plate 3.1, each main connecting plate 3.1 is provided with a perforation 21 and a U-shaped groove 3.3 through which the middle cylinder 13.1 passes, the guide seat 13.2 is provided with a perforation 21 matched with the perforation on the main connecting plate, the damping spring shaft 19 passes through the perforation, the damping spring 11 is sleeved on the damping spring shaft 19, the middle frame 13 is structurally adapted to be assembled and fixed with the outer frame 3, and is provided with the damping structure and the buffering structure between the middle frame, the buffering structure includes a polyurethane 15, a cushion pad, a cushion spacer 16, a cushion ring 17 and a cushion pad, and a protective sleeve 18 are sleeved on the middle cylinder 13.1, and when the cushion ring 17 is subjected to a large impact force, and the cushion ring 17 is stopped from the seat is subjected to the impact force, and the seat component is reduced by the middle part and the impact force is reduced by the seat component.

The third embodiment is that, on the basis of the above embodiment, the lifting structure includes the belt loop spring 9 with both ends all set up the pull ring, belt loop spring 9 cover is established on center pin 5, set up the ring card on the intermediate frame 13, set up extension spring nipple 7 on the guide post seat 6, belt loop spring 9 one end is hung on extension spring nipple 7 other end and is hung on the ring card, realizes the lift and the location of seat with the lift switch cooperation, the lift switch includes seat handle, lift bolt 20 and a plurality of slot 22 that set up on the center pin, lift bolt 20 and seat handle pass through the floodgate line and connect, each slot 22 cooperates with lift bolt 20, lift bolt 20 department sets up the slide pin spring 8 that is used for the reset, the copper bush 12 is established in the overcoat of shock spring axle 19 and is fixed, and the copper bush 12 is fixed to shock spring axle 19 through the elastic retaining ring for the standard part axle, set up the draw-in groove on the shock spring axle 19, the draw-in groove department sets up cardboard 10, realizes that spring axle 19 and guide post seat 3.2, 3, backing plate and 3, and the fixed carrier 3 are used for setting up the intermediate frame, and the protection sleeve 13, and the protection sleeve part is used for setting up the ring 3.

Working principle: 1. the realization of the lifting function is mainly as follows: the person sits on the seat, pulls the sliding pin of the lifting bolt 20 out of the slot 22 on the central shaft by lifting the seat handle, drives the outer frame 3, the middle frame 13 and the seat to move upwards by the spring tension of the ring spring 9 fixed on the tension spring sleeve 7, releases the seat handle, and the brake cable pulls the sliding pin to reset to the slot by the spring of the lifting bolt 20, so that the seat cannot move, and the lifting stroke of the seat is not less than 100mm; 2. the lightning protection function is realized mainly as follows: when a lightning stroke is encountered, the outer frame 3 and the middle frame 13 move downwards under the impact force, the supporting seat cushion plate 14, the polyurethane cushion pad 15, the cushion spacer 16, the expansion ring 17 and the clamping sleeve 18 are driven to move downwards, and finally the clamping sleeve 18 is blocked by the tension of the belt ring spring 9, the expansion ring 17 stops moving, and the impact force is reduced by the damping spring 11 fixed on the damping spring shaft 19.

The present utility model has been described in detail by way of specific embodiments and examples, but these should not be construed as limiting the utility model. Many variations and modifications may be made by one skilled in the art without departing from the principles of the utility model, which is also considered to be within the scope of the utility model.

Claims (9)

1. The utility model provides a concentric column, includes center pin (5), center pin (5) top sets up guide post seat (6), center pin (5) bottom sets up guide post base (1), a serial communication port, suit intermediate frame (13) on center pin (5), set up lifting switch between intermediate frame (13) and center pin (5), set up buffer structure on intermediate frame (13), intermediate frame (13) are through bolted connection outer frame (3), set up shock-absorbing structure between intermediate frame (13) and outer frame (3), set up lifting structure between intermediate frame (13) and guide post seat (6).

2. A concentric post according to claim 1, characterized in that the damping structure comprises a damping spring (11) and a damping spring shaft (19).

3. The concentric column according to claim 2, wherein the middle frame (13) comprises a middle cylinder (13.1) and guide seats (13.2), the guide seats (13.2) are respectively arranged at two ends of the middle cylinder (13.1), the outer frame (3) comprises a main connecting plate (3.1) and a middle supporting seat (3.2), the middle supporting seat (3.2) is respectively arranged at the upper end and the lower end of the main connecting plate (3.1), each main connecting plate (3.1) is provided with a perforation (21) and a U-shaped groove (3.3) for the middle cylinder (13.1) to pass through, the guide seats (13.2) are provided with perforations (21) matched with the perforations on the main connecting plate, the damping spring shafts (19) penetrate through the perforations, and the damping springs (11) are sleeved on the damping spring shafts (19).

4. A concentric post according to claim 3, characterized in that the intermediate frame (13) is externally provided with a protective cover assembly (2).

5. The concentric column according to claim 1, wherein the lifting structure comprises a ring-carrying spring (9) with pull rings at both ends, the ring-carrying spring (9) is sleeved on the central shaft (5), a ring clamp is arranged on the middle frame (13), a tension spring sleeve (7) is arranged on the guide column base (6), and one end of the ring-carrying spring (9) is hung on the tension spring sleeve (7) while the other end is hung on the ring clamp.

6. A concentric post according to claim 5, characterized in that the ring spring (9) is sheathed with a casing (4).

7. A concentric column according to claim 1, characterized in that the cushioning structure comprises a polyurethane cushioning pad (15), a cushioning pad spacer (16), an expander (17) and a ferrule (18).

8. The concentric column according to claim 1, characterized in that the lifting switch comprises a seat handle, a lifting bolt (20) and a plurality of slots (22) arranged on a central shaft, the lifting bolt (20) and the seat handle are connected through brake cables, each slot (22) is matched with the lifting bolt (20), and a sliding bolt spring (8) for resetting is arranged at the lifting bolt (20).

9. A concentric column according to claim 3, characterized in that the damping spring shaft (19) is sleeved with the copper sleeve (12) for fixing, the damping spring shaft (19) is provided with a clamping groove, a clamping plate (10) is arranged at the clamping groove to fix the damping spring shaft (19) and the guide seat (13.2), and a support seat pad (14) is arranged at the opening end of the U-shaped groove (3.3).

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