CN110254458B

CN110254458B - Multifunctional safety handrail in bullet train

Info

Publication number: CN110254458B
Application number: CN201910592066.7A
Authority: CN
Inventors: 周钰爽; 张翠; 赵明丽; 马芳; 原方方
Original assignee: Zhengzhou Railway Vocational and Technical College
Current assignee: Zhengzhou Railway Vocational and Technical College
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-24
Anticipated expiration: 2039-07-02
Also published as: CN110254458A

Abstract

The invention relates to the field of motor cars, in particular to a multifunctional safety handrail in a motor car. The multifunctional handrail comprises an embedded carrier, a hidden handrail, a functional handrail I, a functional handrail II, a positioner, a limiting safety pin, a functional sheet, an adjuster and a connecting rod, wherein the functional handrail I and the functional handrail II in an initial state can provide convenience for grasping the handrail, a backpack can be hung on the functional handrail I, and the functional sheet can provide convenience for a user to lean on the head; the adjustable functional sheet can fix the luggage cases with different sizes to increase the space utilization rate of the carriage; the invention can quickly change the armrests into the seats, has various practical functions before and after the change, increases the space utilization rate for the motor car with large carrying capacity and multiple parking times, and provides convenience for passengers.

Description

Multifunctional safety handrail in bullet train

Technical Field

The invention relates to the field of motor cars, in particular to a multifunctional safety handrail in a motor car.

Background

In China, passengers at a plurality of stations are frequently sold out of tickets up to hundreds of thousands of people every day, a plurality of passengers often stand in a compartment of a motor car with a car door, and the fatigue of the passengers on the tickets is increased due to slight jolt and frequent stop.

Disclosure of Invention

The invention aims to provide a multifunctional safety handrail in a bullet train, which can provide convenience for passengers on stop tickets and increase the space utilization rate of a carriage.

The purpose of the invention is realized by the following technical scheme:

a multifunctional safety handrail in a bullet train comprises an embedding carrier, a hidden handrail, a functional handrail I, a functional handrail II, a positioner, a limit safety pin, a functional sheet, an adjuster and a connecting rod, inlay carrier sliding connection and hide the handrail, the lower extreme of function handrail I with inlay the carrier and rotate and be connected, the lower extreme of function handrail II rotates with the upper end of function handrail I to be connected, the upper end of function handrail II rotates the connection locator, function handrail II passes through locator threaded connection with the carrier of inlaying, spacing safety pin rotates with function handrail I to be connected, function handrail II uses the upper end of function handrail I to rotate the back and can block on spacing safety pin as the center of rotation, function piece and II threaded connection of function handrail, both ends are connected with function piece and function handrail II respectively about the regulator, the one end and the I articulated connection of function handrail of connecting rod, the other end of connecting rod is connected with hiding the handrail is articulated.

The embedded carrier comprises a compartment surface, a concave part, guide grooves, an encapsulation part and a bearing with a seat, wherein the compartment surface is provided with the concave part, the upper side and the lower side of the inner end of the concave part are respectively provided with one guide groove, the encapsulation part is fixedly connected at the front end of the concave part, the compartment surface is fixedly connected with two bearings with a seat, and the two bearings with a seat are respectively positioned at the left side and the right side of the lower side of the concave part.

The hidden handrail comprises a hidden plate, a long handle, a rod I and sliding blocks, wherein the long handle is fixedly connected to the rear end of the hidden plate, the rod I is fixedly connected to the lower side of the right end of the hidden plate, and the sliding blocks are arranged at the upper end and the lower end of the hidden plate respectively; the two sliding blocks are respectively connected in the two guide grooves in a sliding manner.

The functional handrail I comprises a handrail carrier I, a shaft II, a handrail I and a rod II, wherein the upper end of the handrail carrier I rotates the middle part of a connecting shaft I, the middle part of the shaft II is rotatably connected to the lower end of the handrail carrier I, the handrail I is fixedly connected to the lower side of the rear end of the handrail carrier I, and the rod II is fixedly connected to the lower side of the right end of the handrail carrier I; the left end and the right end of the shaft II are respectively connected in the two bearings with the base in a rotating mode, one end of the connecting rod is connected with the rod II in a hinged mode, and the other end of the connecting rod is connected with the rod I in a hinged mode.

The functional handrail II comprises a handrail carrier II, a handrail II and a notch, the handrail II is fixedly connected to the upper side of the rear end of the handrail carrier II, and the notch is formed in the lower end of the handrail II; the lower end of the handrail carrier II is hinged with the left end and the right end of the shaft I.

The positioner comprises a positioning handle and a clamping ring, and the front side and the rear side of the positioning handle are respectively fixedly connected with the clamping ring; the middle part of the positioning handle is connected with the upper end of the handrail carrier II in a sliding mode, the handrail carrier II is located between the two clamping rings, and the front end of the positioning handle is connected with the upper end of the carriage surface in a threaded mode.

The limiting safety pin comprises a safety handle, a bearing and a rubber ring, the lower end of the safety handle is fixedly connected with the rubber ring, and the middle part of the safety handle is fixedly connected with the inner ring of the bearing; the outer lane of bearing and the upper end fixed connection of handrail I, the upper end of rubber circle and handrail I produces frictional force, and handrail carrier II uses the upper end of handrail carrier I to rotate back accessible safety handle and blocks handrail II and fix as the center of rotation.

The functional piece comprises a threaded rod, a key, a fixing piece, displacement guide pillars, limiting rings, a spring and a functional piece body, wherein the front end and the rear end of the threaded rod are fixedly connected with the key and the fixing piece respectively; the threaded rod is in threaded connection with the handrail II.

The rear end face of the function piece body is provided with a rubber piece.

The regulator comprises a regulating disc, a pipe and a key opening, wherein the rear end of the regulating disc is fixedly provided with a connecting pipe, and the pipe is provided with the key opening; the rear end of the adjusting disc is rotatably connected to the handrail carrier II, the threaded rod is in sliding connection with the pipe, and the key is in sliding connection in the key hole.

The multifunctional safety handrail in the bullet train has the beneficial effects that:

the functional handrail I and the functional handrail II in the initial state can provide convenience for a user to grasp the handrails, luggage such as a backpack can be hung on the functional handrail I, and the functional sheet with the damping function can provide convenience for the user to lean on the head; the adjustable functional sheet can fix luggage cases with different sizes to increase the space utilization rate of the carriage; the invention can quickly change the armrests into the seats, has various practical functions before and after the change, increases the space utilization rate for the motor car with large carrying capacity and multiple parking times, and provides convenience for passengers.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the overall structure of a multi-functional safety handle in a motor car according to the present invention;

FIG. 2 is a schematic overall cross-sectional structural view of the present invention;

FIG. 3 is a schematic diagram of a modified structure of the present invention;

FIG. 4 is a schematic view of a deformed partial structure of the present invention;

FIG. 5 is a schematic view of a mosaic carrier structure of the present invention;

FIG. 6 is a schematic view of the hidden handrail structure of the present invention;

FIG. 7 is a schematic structural view of a functional armrest I according to the present invention;

FIG. 8 is a schematic structural view of a functional armrest II according to the present invention;

FIG. 9 is a schematic view of the locator of the present invention;

FIG. 10 is a schematic view of a positive stop safety pin of the present invention;

FIG. 11 is a schematic structural view of a functional sheet of the present invention;

fig. 12 is a schematic view of the regulator structure of the present invention.

In the figure: embedding a carrier 1; a compartment surface 101; a recess 102; a guide groove 103; an encapsulation section 104; a pedestal bearing 105; hiding the handrail 2; a hiding plate 201; a long handle 202; a rod I203; a slider 204; a functional armrest I3; a handrail carrier I301; a shaft I302; a shaft II 303; an armrest I304; a lever II 305; a functional armrest II 4; a handrail carrier II 401; a handrail II 402; a notch 403; a positioner 5; a positioning handle 501; a snap ring 502; a limit safety pin 6; a safety handle 601; a bearing 602; a rubber ring 603; a functional sheet 7; a threaded rod 701; a key 702; a fixing sheet 703; a displacement guide post 704; a stop collar 705; a spring 706; a functional sheet body 707; a regulator 8; an adjustment dial 801; a tube 802; a key opening 803; a connecting rod 9.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1-12, a multifunctional safety handrail in a bullet train comprises an embedding carrier 1, a hidden handrail 2, a functional handrail i 3, a functional handrail ii 4, a positioner 5, a limit safety pin 6, a functional sheet 7, an adjuster 8 and a connecting rod 9, wherein the embedded carrier 1 is slidably connected with the hidden handrail 2, the lower end of the functional handrail i 3 is rotatably connected with the embedding carrier 1, the lower end of the functional handrail ii 4 is rotatably connected with the upper end of the functional handrail i 3, the upper end of the functional handrail ii 4 is rotatably connected with the positioner 5, the functional handrail ii 4 is in threaded connection with the embedding carrier 1 through the positioner 5, the limit safety pin 6 is rotatably connected with the functional handrail i 3, the functional handrail ii 4 can be clamped on the limit safety pin 6 after rotating by taking the upper end of the functional handrail i 3 as a rotation center, the functional sheet 7 is in threaded connection with the functional handrail ii 4, the left end and the right end of the adjuster 8 are respectively connected with the functional sheet 7, one end of the connecting rod 9 is hinged with the functional handrail I3, and the other end of the connecting rod 9 is hinged with the hidden handrail 2. The functional handrails I3 and the functional handrails II 4 in the initial state can provide convenience for a user to grasp the handrails, luggage such as a backpack can be hung on the functional handrails I3, and the functional sheet 7 with the shock absorption function can provide convenience for the user to lean on the head; the adjustable luggage carrier can be adjusted from an initial state to a seat state by rotating the positioner 5 to increase the space utilization rate of a carriage, after the armrest carrier I301 becomes a seat, the hidden armrest 2 hidden in the adjustable luggage carrier can automatically extend out to provide gripping convenience for other people, and the adjustable functional sheet 7 can be used for fixing luggage cases with different sizes to increase the space utilization rate of the carriage; the invention can quickly change the armrests into the seats, has various practical functions before and after the change, increases the space utilization rate for the motor car with large carrying capacity and multiple parking times, and provides convenience for passengers.

The second embodiment is as follows:

as shown in fig. 1 to 12, the inlay carrier 1 includes a platform surface 101, a concave portion 102, a guide groove 103, a packing portion 104 and a bearing with seat 105, the platform surface 101 is provided with the concave portion 102, the upper and lower sides of the inner end of the concave portion 102 are respectively provided with one guide groove 103, the packing portion 104 is fixedly connected to the front end of the concave portion 102, the platform surface 101 is fixedly connected with two bearings with seat 105, and the two bearings with seat 105 are respectively located on the left and right sides of the lower side of the concave portion 102. The compartment surface 101 is installed in a compartment where the movable vehicle door is located, the invention can be arranged on each compartment wall at the intersection of the compartment, and the installation number can be determined according to actual needs and the specific structure of the compartment.

The third concrete implementation mode:

as shown in fig. 1 to 12, the hidden handrail 2 includes a hidden plate 201, a long handle 202, a rod i 203 and a sliding block 204, the long handle 202 is fixedly connected to the rear end of the hidden plate 201, the rod i 203 is fixedly connected to the lower side of the right end of the hidden plate 201, and the upper end and the lower end of the hidden plate 201 are respectively provided with the sliding block 204; the two sliding blocks 204 are respectively connected in the two guide grooves 103 in a sliding manner. When the handrail carrier I301 rotates to drive the connecting rod 9 to swing, the connecting rod 9 drives the hidden plate 201 to move backwards, the hidden handrail 2 in the concave part 102 moves out to provide gripping convenience for other passengers, when the long handle 202 is pushed forwards, as other people sit on the handrail carrier I301, except that the long handle 202 is pushed by an explosive force intentionally, the invention can keep a stable state, if the convenience is reduced and the safety is improved, a hook can be arranged on the long handle 202, and a hook is also arranged on the compartment surface 101 to buckle the two hooks together, so that the problem that the long handle 202 cannot provide safety when the motor car is accidentally collided or braked suddenly is avoided.

The fourth concrete implementation mode:

as shown in fig. 1-12, the functional handrail i 3 comprises a handrail carrier i 301, a shaft i 302, a shaft ii 303, a handrail i 304 and a rod ii 305, wherein the upper end of the handrail carrier i 301 rotates to connect the middle part of the shaft i 302, the middle part of the shaft ii 303 rotates to connect the lower end of the handrail carrier i 301, the handrail i 304 is fixedly connected to the lower side of the rear end of the handrail carrier i 301, and the rod ii 305 is fixedly connected to the lower side of the right end of the handrail carrier i 301; the left end and the right end of the shaft II 303 are respectively connected in the two bearings 105 with the base in a rotating mode, one end of the connecting rod 9 is connected with the rod II 305 in a hinged mode, and the other end of the connecting rod 9 is connected with the rod I203 in a hinged mode. Referring to fig. 1 or 2, the initial state of the present invention is the initial state, the first handrail 304 and the second handrail 402 are the ordinary handrails at this time, so as to provide the user with the gripping convenience, and the staggered arrangement of the first handrail 304 and the second handrail 402 and the spaced arrangement of the upper and lower parts are convenient for the user to hang a backpack, a satchel and the like on the first handrail 304.

The fifth concrete implementation mode:

as shown in fig. 1 to 12, the functional armrest ii 4 comprises an armrest carrier ii 401, an armrest ii 402 and a notch 403, the armrest ii 402 is fixedly connected to the upper side of the rear end of the armrest carrier ii 401, and the notch 403 is arranged at the lower end of the armrest ii 402; the lower end of the handrail carrier II 401 is hinged with the left end and the right end of the shaft I302. As shown in fig. 3, the armrest carrier i 301 may be used as a temporary seat when the free end of the armrest carrier ii 401, i.e., the upper end in the initial state, is brought into contact with the ground to support the armrest carrier i 301.

The sixth specific implementation mode:

as shown in fig. 1 to 12, the positioner 5 includes a positioning handle 501 and a snap ring 502, and the front and rear sides of the positioning handle 501 are respectively fixedly connected with the snap ring 502; the middle part of the positioning handle 501 is connected with the upper end of the handrail carrier II 401 in a sliding mode, the handrail carrier II is located between the two clamping rings 502, and the front end of the positioning handle 501 is connected with the upper end of the carriage surface 101 in a threaded mode. Referring to fig. 1-4, when a motor car starts to get out, the positioning handle 501 can be rotated, and after the positioning handle 501 is separated from the compartment surface 101, the armrest carrier ii 401 is turned over counterclockwise, and the armrest carrier ii 401 drives the armrest carrier i 301 to be turned over counterclockwise, so that the armrest carrier ii 401 and the armrest carrier i 301 are perpendicular to each other, and the state of the seat is changed from the initial state. The two snap rings 502 prevent the retainer 5 from being lost on the functional armrest II 4 at all times.

The seventh embodiment:

as shown in fig. 1-12, the limit safety pin 6 includes a safety handle 601, a bearing 602 and a rubber ring 603, the lower end of the safety handle 601 is fixedly connected with the rubber ring 603, and the middle part of the safety handle 601 is fixedly connected with the inner ring of the bearing 602; the outer ring of the bearing 602 is fixedly connected with the upper end of the handrail I304, the rubber ring 603 generates friction force with the upper end of the handrail I304, and the handrail II 402 can be clamped by the safety handle 601 to be fixed after the handrail carrier II 401 rotates by taking the upper end of the handrail carrier I301 as a rotation center. The safety handle 601 should be in a vertical state in the initial state, that is, in a vertical state after being rotated by 90 degrees in the state shown in fig. 1, when the armrest ii 402 is rotated, the armrest ii 402 can pass through the safety handle 601 in the vertical state by using the notch 403, and then the safety handle 601 is rotated to be in a horizontal state, that is, the armrest carrier ii 401 and the armrest carrier i 301 can be locked, and the operation is changed into the seat state.

The specific implementation mode is eight:

as shown in fig. 1-12, the functional sheet 7 includes a threaded rod 701, a key 702, a fixing plate 703, two displacement guide pillars 704, a position-limiting ring 705, a spring 706 and a functional sheet body 707, the front and rear ends of the threaded rod 701 are respectively fixedly connected with the key 702 and the fixing plate 703, the rear end of the fixing plate 703 is slidably connected with the two displacement guide pillars 704, the front ends of the two displacement guide pillars 704 are respectively fixedly connected with the position-limiting ring 705, the functional sheet body 707 is fixedly connected with the rear ends of the two displacement guide pillars 704, the two displacement guide pillars 704 are both sleeved with the spring 706, and the front and rear ends of the spring 706 are respectively contacted with the fixing plate 703 and the; the threaded rod 701 is in threaded connection with the handrail II 402. The keys 702 may slide back and forth within the keyways 803.

The specific implementation method nine:

as shown in fig. 1 to 12, a rubber sheet is provided on the rear end surface of the functional sheet body 707. The combination of the functional sheet body 707 and the rubber sheet makes the head of the user more comfortable by leaning on the functional sheet body 707, and also makes the luggage not damaged when the functional sheet body 707 clamps the luggage.

The detailed implementation mode is ten:

as shown in fig. 1-12, the regulator 8 comprises a regulating disc 801, a pipe 802 and a key opening 803, wherein the rear end of the regulating disc 801 is fixedly connected with the pipe 802, and the key opening 803 is arranged on the pipe 802; the rear end of the adjusting disc 801 is rotatably connected to the handrail carrier II 401, the threaded rod 701 is slidably connected with the tube 802, and the key 702 is slidably connected in the key opening 803. When becoming the seat state, rotate adjustment disk 801, adjustment disk 801 drives pipe 802 and rotates, and pipe 802 drives key 702 and rotates, and then makes threaded rod 701 movable back-and-forth movement for distance between regulatory function piece body 707 and the railway carriage or compartment face 101, the space size between the two can be adjusted, and then can place the suitcase of variation in size, has elastic function piece body 707 can carry out the centre gripping to the suitcase and fix, makes the suitcase impaired when avoiding the centre gripping.

The invention relates to a multifunctional safety handrail in a bullet train, which has the working principle that:

referring to fig. 1 or fig. 2, this state of the present invention is an initial state, the armrest i 304 and the armrest ii 402 are at this time functions as a common armrest, so as to provide gripping convenience for a user, the staggered arrangement of the armrest i 304 and the armrest ii 402 from front to back and the spaced arrangement from top to bottom facilitate the user to hang a backpack, a satchel, or the like on the armrest i 304, the functional sheet body 707 has certain elasticity in combination with the spring 706, so that the user can lean the head against the functional sheet body 707 while leaning on or holding the armrest ii 402, so as to provide certain buffering even if bumping occurs, thereby increasing comfort; referring to fig. 1-4, when a motor car starts to get out, the positioning handle 501 can be rotated, after the positioning handle 501 is separated from the compartment surface 101, the handrail carrier ii 401 is turned counterclockwise, the handrail carrier ii 401 drives the handrail carrier i 301 to be turned counterclockwise, so that the handrail carrier ii 401 and the handrail carrier i 301 are perpendicular to each other as shown in fig. 3, the free end of the handrail carrier ii 401, i.e. the upper end in the initial state, is in contact with the ground for supporting the handrail carrier i 301, at this time, the handrail carrier i 301 can be used as a temporary seat for providing convenience for temporary rest for long-distance ticket passengers, as shown in fig. 4, the handrail i 304 and the handrail ii 402 are also perpendicular to each other and in contact, the safety handle 601 can be rotated to be clamped on the handrail ii 402 as required to fix the angle between the handrail carrier i 301 and the handrail carrier ii 401, obviously, the safety handle 601 should be in the vertical state in, after the state shown in fig. 1 is rotated by 90 degrees, when the armrest II 402 is rotated, the notch 403 can be used for locking the angle through the safety handle 601, and the operation is changed into the seat state by rotating the safety handle 601; when the invention changes from the initial state to the seat state, the rotating handrail carrier I301 drives the connecting rod 9 to swing, the connecting rod 9 drives the hidden plate 201 to move backwards, and the hidden handrail 2 in the concave part 102 moves out to provide the convenience for other passengers to grasp, so as to generate a new common handrail, when a person pulls the long handle 202 backwards, the sliding block 204 is only stopped at the edge of the guide groove 103, so that the seat state is more stable, and when the long handle 202 is pushed forwards, since the handrail carrier i 301 has another person seated thereon, the present invention can maintain a stable state except that the long handle 202 is intentionally pushed by an explosive force, and if the convenience is reduced and the safety is increased, the long handle 202 can be provided with a hook, the carriage surface 101 is also provided with a hook, and the two hooks can be buckled together, so that the problem that the long handle 202 cannot provide safety when the bullet train is accidentally collided or suddenly braked is avoided; when becoming the seat state, rotate adjustment disk 801, adjustment disk 801 drives pipe 802 and rotates, and pipe 802 drives key 702 and rotates, and then makes threaded rod 701 movable back-and-forth movement for distance between regulatory function piece body 707 and the railway carriage or compartment face 101, the space size between the two can be adjusted, and then can place the suitcase of variation in size, has elastic function piece body 707 can carry out the centre gripping to the suitcase and fix, makes the suitcase impaired when avoiding the centre gripping.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a multi-functional safety handle in motor car, includes inlays carrier (1), hides handrail (2), function handrail I (3), function handrail II (4), locator (5), spacing safety pin (6), function piece (7), regulator (8) and connecting rod (9), its characterized in that: the embedded carrier (1) is connected with a hidden handrail (2) in a sliding way, the lower end of a functional handrail I (3) is rotationally connected with the embedded carrier (1), the lower end of a functional handrail II (4) is rotationally connected with the upper end of the functional handrail I (3), the upper end of the functional handrail II (4) is rotationally connected with a positioner (5), the functional handrail II (4) is in threaded connection with the embedded carrier (1) through the positioner (5), a limit safety pin (6) is rotationally connected with the functional handrail I (3), the functional handrail II (4) can be clamped on the limit safety pin (6) after rotating by taking the upper end of the functional handrail I (3) as a rotation center, a functional sheet (7) is in threaded connection with the functional handrail II (4), the left end and the right end of a regulator (8) are respectively connected with the functional sheet (7) and the functional handrail II (4), one end of a connecting rod (9) is hinged with the functional handrail I (3), the other end of the connecting rod (9) is hinged with the hidden handrail (2).

2. The multifunctional safety handle in a bullet train as claimed in claim 1, wherein: the mosaic carrier (1) comprises a carriage surface (101), a concave part (102), guide grooves (103), a packaging part (104) and bearings with seats (105), wherein the concave part (102) is arranged on the carriage surface (101), the upper side and the lower side of the inner end of the concave part (102) are respectively provided with one guide groove (103), the packaging part (104) is fixedly connected to the front end of the concave part (102), the carriage surface (101) is fixedly connected with two bearings with seats (105), and the two bearings with seats (105) are respectively positioned on the left side and the right side of the lower side of the concave part (102).

3. The multifunctional safety handle in a bullet train as claimed in claim 2, wherein: the hidden handrail (2) comprises a hidden plate (201), a long handle (202), a rod I (203) and a sliding block (204), the long handle (202) is fixedly connected to the rear end of the hidden plate (201), the rod I (203) is fixedly connected to the lower side of the right end of the hidden plate (201), and the upper end and the lower end of the hidden plate (201) are respectively provided with the sliding block (204);

the two sliding blocks (204) are respectively connected in the two guide grooves (103) in a sliding manner.

4. The multifunctional safety handle in a bullet train as claimed in claim 3, wherein: the functional handrail I (3) comprises a handrail carrier I (301), a shaft I (302), a shaft II (303), a handrail I (304) and a rod II (305), the upper end of the handrail carrier I (301) rotates the middle of the connecting shaft I (302), the middle of the shaft II (303) is rotatably connected to the lower end of the handrail carrier I (301), the handrail I (304) is fixedly connected to the lower side of the rear end of the handrail carrier I (301), and the rod II (305) is fixedly connected to the lower side of the right end of the handrail carrier I (301); the left end and the right end of the shaft II (303) are respectively connected in the two bearings (105) with the base in a rotating mode, one end of the connecting rod (9) is connected with the rod II (305) in a hinged mode, and the other end of the connecting rod (9) is connected with the rod I (203) in a hinged mode.

5. The multifunctional safety handle in a bullet train of claim 4, wherein: the functional handrail II (4) comprises a handrail carrier II (401), a handrail II (402) and a notch (403), the handrail II (402) is fixedly connected to the upper side of the rear end of the handrail carrier II (401), and the notch (403) is formed in the lower end of the handrail II (402); the lower end of the handrail carrier II (401) is hinged with the left end and the right end of the shaft I (302).

6. The multifunctional safety handle in a bullet train as claimed in claim 5, wherein: the positioner (5) comprises a positioning handle (501) and clamping rings (502), wherein the front side and the rear side of the positioning handle (501) are respectively fixedly connected with one clamping ring (502); the middle part of the positioning handle (501) is connected with the upper end of the handrail carrier II (401) in a sliding mode, the handrail carrier II (401) is located between the two clamping rings (502), and the front end of the positioning handle (501) is connected with the upper end of the compartment surface (101) in a threaded mode.

7. The multifunctional safety handle in a bullet train as claimed in claim 6, wherein: the limiting safety pin (6) comprises a safety handle (601), a bearing (602) and a rubber ring (603), the lower end of the safety handle (601) is fixedly connected with the rubber ring (603), and the middle part of the safety handle (601) is fixedly connected with an inner ring of the bearing (602); the outer ring of the bearing (602) is fixedly connected with the upper end of the handrail I (304), the rubber ring (603) generates friction force with the upper end of the handrail I (304), and the handrail II (402) can be clamped and fixed by the safety handle (601) after the handrail carrier II (401) rotates by taking the upper end of the handrail carrier I (301) as a rotation center.

8. The multifunctional safety handle in a bullet train of claim 7, wherein: the functional sheet (7) comprises a threaded rod (701), a key (702), a fixing sheet (703), displacement guide pillars (704), a limiting ring (705), a spring (706) and a functional sheet body (707), the front end and the rear end of the threaded rod (701) are respectively fixedly connected with the key (702) and the fixing sheet (703), the rear end of the fixing sheet (703) is slidably connected with the two displacement guide pillars (704), the front ends of the two displacement guide pillars (704) are respectively fixedly connected with the limiting ring (705), the functional sheet body (707) is fixedly connected with the rear ends of the two displacement guide pillars (704), the two displacement guide pillars (704) are respectively sleeved with the spring (706), and the front end and the rear end of the spring (706) are respectively contacted with the fixing sheet (703) and the functional sheet body (707); the threaded rod (701) is in threaded connection with the handrail II (402).

9. The multifunctional safety handle in a motor car according to claim 8, wherein: the rear end face of the functional sheet body (707) is provided with a rubber sheet.

10. The multifunctional safety handle in a motor car according to claim 9, wherein: the regulator (8) comprises a regulating disc (801), a pipe (802) and a key opening (803), the rear end of the regulating disc (801) is fixedly connected with the connecting pipe (802), and the key opening (803) is arranged on the pipe (802); the rear end of the adjusting disc (801) is rotatably connected to the handrail carrier II (401), the threaded rod (701) is in sliding connection with the pipe (802), and the key (702) is in sliding connection with the key opening (803).