CN112124243B - Sightseeing vehicle rear seat with automatic protection effect - Google Patents
Sightseeing vehicle rear seat with automatic protection effect Download PDFInfo
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- CN112124243B CN112124243B CN202011107696.XA CN202011107696A CN112124243B CN 112124243 B CN112124243 B CN 112124243B CN 202011107696 A CN202011107696 A CN 202011107696A CN 112124243 B CN112124243 B CN 112124243B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/02—Arrangements or adaptations of other passenger fittings, not otherwise provided for of hand grips or straps
- B60N3/026—Arrangements or adaptations of other passenger fittings, not otherwise provided for of hand grips or straps characterised by the fixing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R2021/0206—Self-supporting restraint systems, e.g. restraining arms, plates or the like
- B60R2021/0213—Self-supporting restraint systems, e.g. restraining arms, plates or the like mounted on floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R2021/028—Means preventing passenger from falling out of vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Passenger Equipment (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
The invention discloses a sightseeing vehicle backseat with automatic protection effect, which comprises a vehicle body, wherein two handrail cavities with upward openings are arranged in the vehicle body, a protection mechanism is arranged in each handrail cavity, a power cavity and a gas storage cavity are arranged in the vehicle body, a brake mechanism is arranged in each power cavity, an exhaust cavity with a leftward opening is arranged on the left inner wall of each gas storage cavity, a lifting cavity with an upward opening is arranged on the upper inner wall of each exhaust cavity, a lifting mechanism is arranged in each lifting cavity, and each lifting mechanism comprises a pushing cavity with an upward opening and arranged on the lower inner wall of each exhaust cavity. When the user needs to get off the vehicle, the handrail can be automatically retracted, so that the workload of the user is reduced.
Description
Technical Field
The invention relates to the field of power devices of electric vehicles, in particular to a sightseeing vehicle rear seat with an automatic protection effect.
Background
The sightseeing bus is often used in scenic spot places, the sightseeing bus uses a battery to generate power, the sightseeing bus is environment-friendly and pollution-free, resources are effectively utilized, a passenger is required to face the rear of the sightseeing bus by a rear seat of the sightseeing bus, and certain defects exist in safety and convenience.
At the present stage, the safety of getting on or off the bus, which needs to rotate the handrail and protect the passengers, is manually operated, so that the phenomenon that the safety process of getting on or off the bus, which needs to rotate the handrail and protect the passengers is complex, a large amount of physical power of a user can be consumed, and the workload of the user is increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sightseeing vehicle rear seat with an automatic protection effect, solving the problems that a user cannot automatically and conveniently get on or off a vehicle and cannot automatically protect passengers and the like, and increasing the functions of automatically and conveniently getting on or off the vehicle and automatically protecting the safety of the passengers according to conditions.
The invention is realized by the following technical scheme.
The invention relates to a sightseeing vehicle backseat with automatic protection effect, which comprises a vehicle body, wherein two handrail cavities with upward openings are arranged in the vehicle body, a protection mechanism is arranged in each handrail cavity, a power cavity and a gas storage cavity are arranged in the vehicle body, a brake mechanism is arranged in each power cavity, an exhaust cavity with a leftward opening is arranged on the left inner wall of each gas storage cavity, a lifting cavity with an upward opening is arranged on the upper inner wall of each exhaust cavity, a lifting mechanism is arranged in each lifting cavity, each lifting mechanism comprises a pushing cavity with an upward opening and arranged on the lower inner wall of each exhaust cavity, a pushing block is connected in each pushing cavity in a sliding manner, a pushing spring fixedly connected with the lower end of each pushing block is fixedly connected on the left inner wall of each pushing cavity, a limiting pull rope is fixedly connected at the right end of each pushing block, and a telescopic block is fixedly connected on the inner wall of each lifting cavity at a position communicated with the exhaust cavities, the utility model discloses a flexible air exhaust device, including flexible piece, exhaust chamber, linkage piece upper end fixedly connected with guardrail piece, be equipped with the linkage piece on the inner wall of exhaust chamber, be equipped with flexible chamber in the flexible piece, flexible piece can upwards extend along with flexible intracavity atmospheric pressure increase, on the flexible intracavity inner wall fixedly connected with exhaust chamber lower inner wall fixed connection's fixed spring, flexible piece upper end fixedly connected with guardrail piece, be equipped with the linkage chamber, the restriction chamber that open side down on the exhaust chamber upper inner wall, linkage intracavity sliding connection has the linkage piece, on the linkage chamber on the inner wall fixedly connected with linkage piece upper end fixed connection's linkage spring, linkage piece upper end fixedly connected with linkage stay cord, restriction intracavity sliding connection has the restriction piece, on the restriction chamber on the inner wall fixedly connected with restriction piece upper end fixed connection's restriction spring, restriction piece upper end fixedly connected with the other end of restriction stay cord.
Further, the protection mechanism comprises two handrail blocks which are positioned in two handrail cavities and are in sliding connection, handrail springs fixedly connected with the lower ends of the handrail blocks are fixedly connected to the lower inner wall of the handrail cavity, handrail pull ropes are fixedly connected to the lower ends of the handrail blocks, a seat cavity with an upward opening is arranged in the vehicle body, a cushion block is in sliding connection with the seat cavity, a seat spring fixedly connected with the lower end of the cushion block is fixedly connected to the lower inner wall of the seat cavity, the lower end of the cushion block is fixedly connected with the other end of the linkage pull rope, a driving shaft which penetrates through the vehicle body and the power cavity in the front and back direction and is in rotating connection with the power cavity is arranged in the vehicle body, two driving wheels and centrifugal wheels are fixedly connected to the driving shaft, fifteen centrifugal cavities with openings facing away from the center direction of the driving shaft are arranged in the centrifugal wheels, and centrifugal blocks are all in sliding connection with the centrifugal cavities, the centrifugal cavity is close to the centrifugal spring fixedly connected with the inner wall of the center of the driving shaft and the centrifugal block is close to the center of the driving shaft.
Further, the brake mechanism comprises an inflating cam and a driving wheel which are fixedly connected with the travelling crane shaft, a brake block is fixedly connected with the inner wall of the rear of the power cavity, a brake cavity with a leftward opening is arranged in the brake block, a brake block is connected in the brake cavity in a sliding manner, a brake spring fixedly connected with the right end of the brake block is fixedly connected with the right inner wall of the brake cavity, a brake stay cord is fixedly connected with the right end of the brake block, a rotating shaft is rotatably connected with the front inner wall of the power cavity, a rotating wheel is connected with the rotating shaft in a key manner, a torsion spring groove with a forward opening is arranged on the rear inner wall of the power cavity, the rotating shaft is connected in the torsion spring groove in a sliding manner, a rotating torsion spring fixedly connected with the rear end of the rotating shaft is fixedly connected with the inner wall of the rear of the torsion spring groove, and the other ends of the two handrail stay cords are wound on the rotating shaft, the rotating wheel is in friction connection with the driving wheel.
Furthermore, a sliding cavity with a leftward opening is arranged on the right inner wall of the power cavity, a sliding block is connected in the sliding cavity in a sliding manner, a limiting spring fixedly connected with the front end of the sliding block is fixedly connected to the front inner wall of the sliding cavity, a limiting groove with a leftward opening is formed in the sliding block, the rotating wheel is connected in the limiting groove in a sliding manner, the rear end of the sliding block is fixedly connected with the other end of the braking stay cord, an inflating pipe penetrating through the right inner wall of the gas storage cavity is fixedly arranged on the left inner wall of the power cavity, a pipeline cavity penetrating through the inflating pipe from left to right is formed in the inflating pipe, an inflating block is connected in the pipeline cavity in a sliding manner, a fixing plate is fixedly connected in the pipeline cavity, an inflating spring fixedly connected with the left end of the inflating block is fixedly connected at the right end of the fixing plate, and an air inlet valve for enabling air in the power cavity to enter the pipeline cavity in a one-way is arranged on the lower inner wall of the pipeline cavity, and the fixed plate is provided with a pneumatic valve which enables air in the pipeline cavity to enter the air storage cavity in a one-way mode.
Furthermore, the elasticity of the seat spring is greater than the elasticity of the linkage spring, the elasticity of the linkage spring is greater than the sum of the elasticity of the pushing spring and the elasticity of the limiting spring, the elasticity of the braking spring is greater than the elasticity of the limiting spring, and the torsion of the rotating torsion spring is greater than the elasticity of the armrest spring.
The invention has the beneficial effects that: the automatic guardrail retracting device is simple in structure and convenient and fast to operate, when passengers get on the vehicle, the guardrails can be automatically retracted through mechanical transmission, when the passengers get on the vehicle, the guardrails can be automatically lifted out through the mechanical transmission, when the vehicle runs, the handrails can be automatically lifted out to protect the passengers, and when the passengers need to get off the vehicle, the handrails can be automatically retracted, so that the workload of the users is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view of the embodiment of the present invention FIG. 1;
FIG. 3 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram at B-B in FIG. 2 according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram at C-C in FIG. 3 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The sightseeing vehicle rear seat with the automatic protection effect, which is described in conjunction with the attached drawings 1-5, comprises a vehicle body 10, two handrail cavities 12 with upward openings are arranged in the vehicle body 10, a protection mechanism 66 is arranged in each handrail cavity 12, a power cavity 35 and a gas storage cavity 19 are arranged in the vehicle body 10, a brake mechanism 65 is arranged in each power cavity 35, an exhaust cavity 20 with a leftward opening is arranged on the left inner wall of each gas storage cavity 19, a lifting cavity 31 with an upward opening is arranged on the upper inner wall of each exhaust cavity 20, a lifting mechanism 64 is arranged in each lifting cavity 31, each lifting mechanism 64 comprises a pushing cavity 21 with an upward opening and arranged on the lower inner wall of each exhaust cavity 20, a pushing block 22 is slidably connected in each pushing cavity 21, a pushing spring 23 fixedly connected with the lower end of each pushing block 22 is fixedly connected to the left inner wall of each pushing cavity 21, and a limiting pull rope 24 is fixedly, a telescopic block 32 is fixedly connected to the inner wall of the lifting cavity 31 and communicated with the exhaust cavity 20, a telescopic cavity 33 is arranged in the telescopic block 32, the telescopic block 32 can extend upwards along with the increase of the air pressure in the telescopic cavity 33, a fixed spring 67 fixedly connected with the lower inner wall of the exhaust cavity 20 is fixedly connected to the upper inner wall of the telescopic cavity 33, a guardrail block 34 is fixedly connected to the upper end of the telescopic block 32, a linkage cavity 25 and a limiting cavity 26 with downward openings are arranged on the upper inner wall of the exhaust cavity 20, a linkage block 27 is slidably connected to the linkage cavity 25, a linkage spring 28 fixedly connected with the upper end of the linkage block 27 is fixedly connected to the upper inner wall of the linkage cavity 25, a linkage stay cord 15 is fixedly connected to the upper end of the linkage block 27, a limiting block 29 is slidably connected to the limiting cavity 26, and a limiting spring 30 fixedly connected with the upper end of the limiting block 29 is fixedly connected to the upper inner wall of the limiting cavity 26, the upper end of the limiting block 29 is fixedly connected with the other end of the limiting pull rope 24.
Beneficially, the protection mechanism 66 includes two armrest blocks 16 slidably connected in the armrest cavities 12, an armrest spring 17 fixedly connected to the lower end of the armrest block 16 is fixedly connected to the lower inner wall of the armrest cavity 12, an armrest pull rope 18 is fixedly connected to the lower end of the armrest block 16, a seat cavity 11 with an upward opening is arranged in the vehicle body 10, a cushion block 13 is slidably connected in the seat cavity 11, a seat spring 14 fixedly connected to the lower end of the cushion block 13 is fixedly connected to the lower inner wall of the seat cavity 11, the lower end of the cushion block 13 is fixedly connected to the other end of the linkage pull rope 15, a driving shaft 43 penetrating through the vehicle body 10 and the power cavity 35 in the front-back direction and rotatably connected to the driving shaft is arranged in the vehicle body 10, two driving wheels 44 and a centrifugal wheel 47 are fixedly connected to the driving shaft 43, fifteen centrifugal wheels 48 with openings facing the direction away from the center of the driving shaft 43 are arranged in the centrifugal wheel 47, centrifugal blocks 49 are connected in the centrifugal cavities 48 in a sliding mode, and centrifugal springs 50 fixedly connected with the centrifugal blocks 49 close to the center end of the travelling crane shaft 43 are fixedly connected to the inner wall, close to the center of the travelling crane shaft 43, of the centrifugal cavities 48.
Beneficially, the braking mechanism 65 includes an inflating cam 45 and a driving wheel 46 fixedly connected to the traveling crane shaft 43, a brake block 55 is fixedly connected to the rear inner wall of the power cavity 35, a brake cavity 56 with a leftward opening is provided in the brake block 55, a brake slider 57 is slidably connected to the brake cavity 56, a brake spring 58 fixedly connected to the right end of the brake slider 57 is fixedly connected to the right inner wall of the brake cavity 56, a brake pull rope 59 is fixedly connected to the right end of the brake slider 57, a rotating shaft 51 is rotatably connected to the front inner wall of the power cavity 35, a rotating wheel 52 is keyed to the rotating shaft 51, a torsion spring slot 53 with a forward opening is provided on the rear inner wall of the power cavity 35, the rotating shaft 51 is slidably connected to the torsion spring slot 53, a rotating torsion spring 54 fixedly connected to the rear end of the rotating shaft 51 is fixedly connected to the rear inner wall of the torsion spring slot 53, the other ends of the two handrail pull ropes 18 are wound on the rotating shaft 51, and the rotating wheel 52 is frictionally connected with the driving wheel 46.
Beneficially, a sliding cavity 60 with a leftward opening is formed in the right inner wall of the power cavity 35, a sliding block 61 is slidably connected in the sliding cavity 60, a limiting spring 63 fixedly connected with the front end of the sliding block 61 is fixedly connected on the front inner wall of the sliding cavity 60, a limiting groove 62 with a leftward opening is formed in the sliding block 61, the rotating wheel 52 is slidably connected in the limiting groove 62, the rear end of the sliding block 61 is fixedly connected with the other end of the braking stay cord 59, an inflating pipe 36 penetrating through the right inner wall of the air storage cavity 19 is fixedly arranged on the left inner wall of the power cavity 35, a pipeline cavity 37 penetrating through the inflating pipe 36 from left to right is formed in the inflating pipe 36, an inflating block 38 is slidably connected in the pipeline cavity 37, a fixing plate 39 is fixedly connected in the pipeline cavity 37, and an inflating spring 40 fixedly connected with the left end of the inflating block 38 is fixedly connected at the right end of the fixing plate 39, an air inlet valve 41 for enabling the air in the power cavity 35 to enter the pipeline cavity 37 in a one-way mode is arranged on the lower inner wall of the pipeline cavity 37, and an air pressure valve 42 for enabling the air in the pipeline cavity 37 to enter the air storage cavity 19 in a one-way mode is arranged on the fixing plate 39.
Advantageously, the elastic force of the seat spring 14 is greater than the elastic force of the link spring 28, the elastic force of the link spring 28 is greater than the sum of the elastic forces of the push spring 23 and the limit spring 30, the elastic force of the brake spring 58 is greater than the elastic force of the limit spring 63, and the torsion force of the rotational torsion spring 54 is greater than the elastic force of the armrest spring 17.
In the initial state, the arm spring 17 is in a compressed state, the limit spring 63 is in a stretched state, the link spring 28 is in a compressed state, and the air storage chamber 19 is in a high-pressure state.
When the vehicle is in operation, a passenger can directly get on the vehicle and sit on the upper end of the cushion block 13, so that the cushion block 13 can be pressed downwards, the seat spring 14 is compressed, the linkage pull rope 15 is released, the linkage spring 28 is reset, the linkage block 27 moves downwards, the push block 22 is pushed downwards, the push spring 23 is compressed, the limitation pull rope 24 is pulled, the exhaust cavity 20 is not communicated with the outside, the limitation spring 30 is compressed, the limitation block 29 is pulled upwards, the air storage cavity 19 pressurizes the telescopic cavity 33 through the exhaust cavity 20, the telescopic cavity 33 extends upwards, the fixing spring 67 is stretched, the guardrail block 34 moves upwards together, the passenger can hold the guardrail block 34 with hands to achieve the safety protection effect, and when the vehicle runs, the travelling wheel 44 and the travelling shaft 43 can be driven to rotate, the centrifugal wheel 47, the driving wheel 46, The inflating cam 45 rotates, the inflating cam 45 rotates to push the inflating block 38 to the left and right, the inflating spring 40 is in a compressed and reset circulating state, the air storage cavity 19 is inflated and pressurized due to the action of the air inlet valve 41 and the air pressure valve 42, the centrifugal wheel 47 rotates to enable the centrifugal block 49 to move away from the center of the driving axle 43, the centrifugal spring 50 is stretched, the centrifugal block 49 moves to enable the brake sliding block 57 to be pushed to the right, the brake spring 58 is compressed, the brake pull rope 59 is loosened, the limit spring 63 is reset, the sliding block 61 moves forward, the rotating wheel 52 and the sliding block 61 move forward together to be in contact with the driving wheel 46, the driving wheel 46 rotates to enable the rotating wheel 52 to rotate, the rotating wheel 52 rotates to drive the rotating shaft 51 to rotate, the armrest pull rope 18 is loosened, the rotating torsion spring 54 is twisted, the armrest spring 17 resets and the armrest spring 51 rotates, When the vehicle arrives at a destination and a passenger needs to get off, the traveling wheel 44 and the traveling shaft 43 stop rotating, the centrifugal wheel 47 and the driving wheel 46 stop rotating, the brake slider 57 moves to the left to an initial position, the brake spring 58 is reset, the brake pull rope 59 is pulled, the sliding block 61 and the rotating wheel 52 move to the initial position, the rotating wheel 52 is not limited by the driving wheel 46, the rotating torsion spring 54 is reset, the handrail pull rope 18 is wound, the two handrail springs 17 are compressed, the two handrail blocks 16 move downwards to the initial position, the passenger can get off the vehicle from the front side and the rear side without limitation, after the passenger gets off the vehicle, the seat spring 14 resets, the cushion block 13 moves upwards, the linkage pull rope 15 is pulled, the linkage block 27 moves upwards to the initial position, the interlocking spring 28 is compressed to move upward to the initial position, the pushing spring 23 is reset, the limiting pull rope 24 is loosened, the limiting block 29 is moved downward to the initial position, the limiting spring 30 is reset, the air storage chamber 19 is not communicated with the outside, and the resetting is completed.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The utility model provides a sightseeing vehicle back seat with automatic protection effect, includes the automobile body, its characterized in that: the automobile body is internally provided with two handrail cavities with upward openings, the handrail cavities are internally provided with a protection mechanism, the automobile body is internally provided with a power cavity and a gas storage cavity, the power cavity is internally provided with a brake mechanism, the left inner wall of the gas storage cavity is provided with an exhaust cavity with a leftward opening, the upper inner wall of the exhaust cavity is provided with a lifting cavity with an upward opening, the lifting cavity is internally provided with a lifting mechanism, the lifting mechanism comprises a pushing cavity with an upward opening, which is arranged on the lower inner wall of the exhaust cavity, the pushing cavity is internally and slidably connected with a pushing block, the left inner wall of the pushing cavity is fixedly connected with a pushing spring fixedly connected with the lower end of the pushing block, the right end of the pushing block is fixedly connected with a limiting pull rope, the inner wall of the lifting cavity is fixedly connected with a telescopic block which is communicated with the exhaust cavity, the telescopic block is internally provided with a telescopic cavity, and the telescopic block can extend upwards along with the increase of air pressure in the telescopic cavity, the upper inner wall of the telescopic cavity is fixedly connected with a fixed spring fixedly connected with the lower inner wall of the exhaust cavity, the upper end of the telescopic block is fixedly connected with a guardrail block, the upper inner wall of the exhaust cavity is provided with a linkage cavity and a limiting cavity with downward openings, the linkage cavity is internally and slidably connected with a linkage block, the upper inner wall of the linkage cavity is fixedly connected with a linkage spring fixedly connected with the upper end of the linkage block, the upper end of the linkage block is fixedly connected with a linkage pull rope, the limiting cavity is internally and slidably connected with a limiting block, the upper inner wall of the limiting cavity is fixedly connected with a limiting spring fixedly connected with the upper end of the limiting block, and the upper end of the limiting block is fixedly connected with the other end of the limiting pull rope;
the protection mechanism comprises two handrail blocks which are positioned in two handrail cavities and are in sliding connection, handrail springs fixedly connected with the lower ends of the handrail blocks are fixedly connected to the lower inner wall of the handrail cavity, handrail pull ropes are fixedly connected to the lower ends of the handrail blocks, a seat cavity with an upward opening is arranged in the vehicle body, a cushion block is in sliding connection with the seat cavity, seat springs fixedly connected with the lower end of the cushion block are fixedly connected to the lower inner wall of the seat cavity, the lower end of the cushion block is fixedly connected with the other end of the linkage pull rope, a driving shaft which penetrates through the vehicle body and the power cavity in the front and back direction and is in rotating connection with the driving shaft is arranged in the vehicle body, two driving wheels and centrifugal wheels are fixedly connected to the driving shaft, fifteen centrifugal cavities with openings facing away from the center direction of the driving shaft are arranged in the centrifugal wheels, and centrifugal blocks are in sliding connection with the centrifugal cavities, a centrifugal spring fixedly connected with the centrifugal block close to the center of the travelling crane shaft is fixedly connected to the centrifugal cavity close to the center inner wall of the travelling crane shaft;
the brake mechanism comprises an inflating cam and a driving wheel which are fixedly connected with the driving axle, the rear inner wall of the power cavity is fixedly connected with a brake block, a brake cavity with a leftward opening is arranged in the brake block, a brake slide block is connected in the brake cavity in a sliding manner, a brake spring fixedly connected with the right end of the brake sliding block is fixedly connected on the right inner wall of the brake cavity, the right end of the brake sliding block is fixedly connected with a brake pull rope, the front inner wall of the power cavity is rotatably connected with a rotating shaft, the rotating shaft is connected with a rotating wheel through a key, a torsion spring groove with a forward opening is arranged on the rear inner wall of the power cavity, the rotating shaft is in sliding connection in the torsion spring groove, the rear inner wall of the torsion spring groove is fixedly connected with a rotating torsion spring fixedly connected with the rear end of the rotating shaft, the other ends of the two handrail pull ropes are wound on the rotating shaft, and the rotating wheel is in friction connection with the driving wheel;
a sliding cavity with a leftward opening is arranged on the right inner wall of the power cavity, a sliding block is connected in the sliding cavity in a sliding manner, a limiting spring fixedly connected with the front end of the sliding block is fixedly connected on the front inner wall of the sliding cavity, a limiting groove with a leftward opening is formed in the sliding block, the rotating wheel is connected in the limiting groove in a sliding manner, the rear end of the sliding block is fixedly connected with the other end of the braking stay cord, an inflating pipe penetrating through the right inner wall of the gas storage cavity is fixedly arranged on the left inner wall of the power cavity, a pipeline cavity penetrating through the inflating pipe from left to right is formed in the inflating pipe, an inflating block is connected in the pipeline cavity in a sliding manner, a fixing plate is fixedly connected in the pipeline cavity, an inflating spring fixedly connected with the left end of the inflating block is fixedly connected at the right end of the fixing plate, and an air inlet valve for enabling air in the power cavity to enter the pipeline cavity in a one-way is arranged on the lower inner wall of the pipeline cavity, the fixing plate is provided with a pneumatic valve which enables air in the pipeline cavity to enter the air storage cavity in a one-way mode;
the elasticity of the seat spring is greater than the elasticity of the linkage spring, the elasticity of the linkage spring is greater than the sum of the elasticity of the pushing spring and the elasticity of the limiting spring, the elasticity of the braking spring is greater than the elasticity of the limiting spring, and the torsion force of the rotating torsion spring is greater than the elasticity of the armrest spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011107696.XA CN112124243B (en) | 2020-10-16 | 2020-10-16 | Sightseeing vehicle rear seat with automatic protection effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011107696.XA CN112124243B (en) | 2020-10-16 | 2020-10-16 | Sightseeing vehicle rear seat with automatic protection effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112124243A CN112124243A (en) | 2020-12-25 |
| CN112124243B true CN112124243B (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011107696.XA Active CN112124243B (en) | 2020-10-16 | 2020-10-16 | Sightseeing vehicle rear seat with automatic protection effect |
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| CN (1) | CN112124243B (en) |
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- 2020-10-16 CN CN202011107696.XA patent/CN112124243B/en active Active
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| US4509798A (en) * | 1982-08-23 | 1985-04-09 | John Strothers | Vehicle seat harness |
| BE1002812A7 (en) * | 1989-01-26 | 1991-06-18 | Dejaegher R | Anti-shock safety seat |
| CN108688537A (en) * | 2017-03-31 | 2018-10-23 | 株式会社斯巴鲁 | Handrail |
| CN207607457U (en) * | 2017-12-01 | 2018-07-13 | 福建三龙新能源汽车有限公司 | One kind has the function of to protect the strong electric environment protecting tour bus of knee high safety damping |
| CN211483673U (en) * | 2019-10-16 | 2020-09-15 | 佛山市博高办公家具有限公司 | Novel chair |
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| CN112124243A (en) | 2020-12-25 |
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