CN115871538A - An active protective sleeper - Google Patents

Abstract

The application relates to an active protection formula sleeping berth, it includes: a sleeper body; the guide bracket is provided with a self-breaking ring, is positioned above the sleeper body and is fixed on the wall surface of the cab facing the rear periphery of the vehicle body; one end of the protective net is arranged on one side of the sleeping berth body facing the vehicle head, and the other end of the protective net is connected with a safety belt; the safety belt driving retractor is arranged on one side of the sleeping berth body, which faces the rear periphery of the vehicle body, and is connected with the safety belt penetrating through the self-breaking ring; under the condition that a passenger normally has a rest, the protective net stands on one side, facing the vehicle head, of the sleeping berth body to prevent the passenger from falling off, and the safety belt is placed above the passenger by using the guide bracket; when the vehicle collides, the safety belt driving retractor receives the collision signal and then pulls off the self-breaking ring while tightening the safety belt, so that the safety belt and the protective net are used for restraining the human body, the human body can be protected by driving protection under the condition of vehicle collision, and the safety belt driving retractor can be used by passengers conveniently under the normal state.

Description

An active protective sleeper

technical field

The application relates to the field of commercial vehicle parts, in particular to an active protective sleeper.

Background technique

At present, the sleeping berths of commercial vehicles are generally used to lie down and rest for the drivers and passengers, but in many cases, there will be occupants sitting and standing on the sleeping berths. The protective measures will lead to life-threatening situations where the occupants on the sleeper are thrown out. At present, some heavy-duty trucks in the market will install guardrails or protective nets on the sides of the sleepers. The protective nets can give the occupants certain protection in minor collisions.

In some related technologies, a protective fence or protective net is installed on the side of the sleeper, which can play a protective role under normal circumstances, but when a vehicle collides, people will crash into the protective net or protective device, and the impact force will cause the human body to be damaged by other vehicles. damage to internal parts.

In addition, if the protective belt is used to constrain the human body on the sleeper, although the above-mentioned problems can be solved, it is extremely inconvenient for the occupant, and the bed needs to be tightened or the protective belt is opened, which limits the lying posture of the occupant and reduces the comfort.

Therefore, how to actively protect and protect the human body in the case of a vehicle collision, and at the same time facilitate the use of the occupants under normal conditions is an urgent problem to be solved.

Contents of the invention

The embodiment of the present application provides an active protective sleeper to solve the problem in the related art that the active protection can not only protect the human body in the event of a vehicle collision, but also facilitate the use of the occupants under normal conditions.

In the first aspect, an active protective sleeper is provided, which includes:

Sleeper body;

A guide bracket, the guide bracket has a self-breaking ring, the guide bracket is located above the sleeper body, and is used to be fixed on the wall of the cab facing the rear wall of the vehicle body;

A protective net, one end of the protective net is installed on the side of the sleeper body facing the front of the car, and the other end is connected with a safety belt;

Seat belt active retractor, the seat belt active retractor is installed on the side of the sleeper body facing the rear wall of the vehicle body, and is connected with the safety belt passing through the self-breaking ring; the seat belt active retractor is used for After receiving the collision signal, tighten the seat belt while pulling off the self-breaking ring, so that the seat belt and the protective net can restrain the human body.

Since there is a self-breaking ring on the guide bracket, the guide bracket is located above the sleeper body and is used to fix it on the wall of the cab facing the rear wall of the vehicle body; one end of the protective net is installed on the side of the sleeper body facing the front, and the other end is connected to a safety net. belt; the seat belt active retractor is installed on the side of the sleeper body facing the rear wall of the vehicle body, and is connected with the seat belt passing through the self-breaking ring; thus, when in use, the protective net stands on the The sleeper body faces the side of the front of the car to prevent the occupants from falling, and the seat belt is placed above the occupant by using the guide bracket, which does not affect the occupant's lying down and rest, and avoids affecting the comfort; when the vehicle collides, the seat belt is actively rolled up After receiving the collision signal, the receiver tightens the seat belt and pulls off the self-breaking ring at the same time, so that the seat belt and the protective net will restrain the human body, avoiding the collision of the human body with the impact force, so as to ensure active protection in the event of a vehicle collision While protecting the human body, it can also facilitate the use of the occupants under normal conditions.

In some embodiments, the self-breaking ring includes a ring piece, one side of the ring piece is fixedly connected to the connecting seat, and the other end is provided with an avoidance groove, and fracture scoring lines are provided on the ring piece and on both sides of the escape groove.

In some embodiments, the active seat belt retractor includes:

The mounting frame encloses and forms an accommodating space, and a first mounting surface is provided on the top; a passageway communicating with the accommodating space is provided on the first mounting surface;

a rotating shaft, which is installed in the accommodation space, and which is connected with the safety belt passing through the slot;

a transmission assembly mounted on a mounting frame;

a driving part, which is installed on the first installation surface, and is connected to the rotating shaft through the transmission assembly;

The control assembly is connected with the driving part and is used for receiving the collision signal to drive the rotating shaft to wind up the safety belt.

In some embodiments, the mounting frame is provided with a mounting seat;

The transmission assembly includes a crown gear, a transmission rod and a drive worm gear;

The crown gear is connected to the output shaft of the driving part; the driving turbine is installed on the rotating shaft; the transmission rod is connected to the mounting frame through the mounting seat, one end of the transmission rod is meshed with the crown gear, and the other end is provided with A worm that meshes with the drive worm. The cooperating use of the crown gear, the worm rod and the drive turbine has a locking function, and can generate a large torque to produce the effect of breaking the self-breaking ring.

In some embodiments, there are multiple safety belts, and they are distributed at intervals along the length direction of the protective net;

There are multiple safety belt active retractors, distributed at intervals along the length direction of the sleeper body, and connected one-to-one with the safety belts.

In some embodiments, it also includes a storage box located at the bottom of the sleeper body, the side of the storage box facing the front of the car is provided with a through groove, and the through groove communicates with the inner space of the storage box; one end of the protective net is fixed on the The other end is connected with the safety belt through a through slot.

In some embodiments, a pull-back member is provided in the storage box, and the pull-back member is connected to the protective net; when the safety belt active retractor releases the safety belt, the protective net is pulled back to accommodate inside the box.

In some embodiments, hemming is provided around the protective net; the pullback member includes an elastic belt, one end of the elastic belt is connected to the hemming, and the other end is connected to the storage box.

In some embodiments, the pullback member further includes a running wheel and an elastic rope, the two running wheels are arranged in the length direction of the storage box, and the two ends of the elastic rope respectively go around the running wheels and connect with the hemming ;

There are two elastic bands, which are distributed along the length direction of the container, and the elastic cords are arranged parallel to the elastic bands.

In some embodiments, the accommodation box is detachably connected to the sleeper body.

The beneficial effects brought by the technical solution provided by the application include:

The embodiment of the present application provides an active protective sleeper. Since the guide bracket is provided with a self-breaking ring, the guide bracket is located above the sleeper body and is used to be fixed on the wall of the cab facing the rear wall of the vehicle body; one end of the protective net is installed on the sleeper. On the side of the body facing the front of the car, the other end is connected with a seat belt; the active retractor of the seat belt is installed on the side of the sleeper body facing the rear wall of the vehicle body, and is connected with the seat belt passing through the self-breaking ring; thus, when in use, When the occupant is resting normally, the protective net stands on the side of the sleeper body facing the front of the car to prevent the occupant from falling, and the seat belt is placed above the occupant by using the guide bracket, so as not to affect the occupant's lying rest and avoid affecting the comfort When the vehicle collides, the seat belt active retractor will tighten the seat belt and break the self-breaking ring at the same time after receiving the collision signal, so that the seat belt and the protective net will restrain the human body and avoid the human body from shaking with the impact force. Collision, so as to ensure that in the case of vehicle collision, it can actively protect and protect the human body, and at the same time, it can also facilitate the use of passengers under normal conditions.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a diagram of the first state of the occupant in the active protective sleeper provided by the embodiment of the present application;

Fig. 2 is the second state diagram of the occupant in the active protective sleeper provided by the embodiment of the present application;

FIG. 3 is a schematic structural diagram of an active protective sleeper provided in an embodiment of the present application;

Fig. 4 is a schematic structural view of the pull-back member of the inner cloth of the storage box provided by the embodiment of the present application;

Fig. 5 is a schematic diagram of the internal structure of the seat belt active retractor provided by the embodiment of the present application;

6 is a schematic diagram of the overall structure of the active seat belt retractor provided in the embodiment of the present application;

FIG. 7 is a schematic structural view of the guide bracket provided by the embodiment of the present application;

Fig. 8 is a schematic structural diagram of the detachable connection between the storage box and the sleeper body provided by the embodiment of the present application.

In the figure: 1, sleeper body; 2, protective net; 3, safety belt; 4, guide bracket; 400, self-breaking ring; 401, connecting seat; 402, avoidance groove; 5, safety belt active retractor; 500, Mounting frame; 501, passing groove; 502, rotating shaft; 503, transmission assembly; 504, crown gear; 505, transmission rod; 506, driving turbine; 507, mounting seat; 508, driving member; Pullback piece; 700, elastic band; 701, runner; 702, elastic rope; 8, wrapping; 9, slot; 10, hook.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

The embodiment of the present application provides an active protective sleeper to solve the problem in the related art that the active protection can not only protect the human body in the event of a vehicle collision, but also facilitate the use of the occupants under normal conditions.

Please refer to Figure 1-Figure 4, an active protective sleeper, which includes: sleeper body 1, protective net 2, safety belt 3, guide bracket 4 and safety belt active retractor 5;

Wherein, the guide bracket 4 has a self-breaking ring 400, the guide bracket 4 is located above the sleeper body 1, and is used to be fixed on the wall of the driver's cab facing the rear wall of the vehicle body, thereby forming a space for the occupant to rest; one end of the protective net 2 Installed on the side of the sleeper body 1 facing the front of the car, the other end is connected with a seat belt 3; the seat belt active retractor 5 is installed on the side of the sleeper body 1 facing the rear wall of the vehicle body, and is self-disconnected from passing through The safety belt 3 of the ring 400 is connected; the active safety belt retractor 5 is used to tighten the safety belt 3 and break the self-breaking ring 400 at the same time after receiving the collision signal, so that the safety belt 3 and the protective net 2 will bind the human body bondage. The protective net 2 is made of flexible material, such as fiber.

Since the guide bracket 4 is provided with a self-breaking ring 400, the guide bracket 4 is located above the sleeper body 1 and is used to be fixed on the wall of the cab facing the rear wall of the vehicle body; one end of the protective net 2 is installed on the side of the sleeper body 1 facing the front of the car , the other end is connected with a safety belt 3; the safety belt active retractor 5 is installed on the side of the sleeper body 1 towards the rear wall of the vehicle body, and is connected with the safety belt 3 passing through the self-breaking ring 400; thus in use, in When the occupant is resting normally, the protective net 2 stands on the side of the sleeper body 1 facing the front of the car to prevent the occupant from falling, and the seat belt is placed above the occupant by using the guide bracket 4, which does not affect the occupant's lying down and rest, avoiding Affects the comfort; when the vehicle collides, the active seat belt retractor 5 tightens the seat belt 3 and breaks the self-breaking ring 400 after receiving the collision signal, so that the seat belt 3 and the protective net 2 restrain the human body, Avoid collisions caused by the shaking of the human body with the impact force, so as to ensure that the vehicle can actively protect and protect the human body in the event of a vehicle collision, and at the same time facilitate the use of the occupants under normal conditions.

In some preferred embodiments, the structure of the guide bracket 4 is configured as follows, so that it has the function of breaking under force, referring to FIG. 7 , the details are as follows:

The guide bracket 4 includes a connecting seat 401 and a self-breaking ring 400; the self-breaking ring 400 includes a ring, one side of the ring is fixedly connected to the connecting seat 401, and the other end is provided with an avoidance groove 402, and the ring and On both sides of the avoidance groove 402 there are broken scoring lines. Wherein, the function of the avoidance groove 402 is to facilitate putting the safety belt 3 into the ring member. While the ring member guides the safety belt 3, it also lifts the safety belt 3 upwards, so as to form the above-mentioned space for the occupant to rest.

Wherein, the ring part is made of hollow or solid plastic material. The setting of the breaking line makes the safety belt 3 act on the self-breaking ring 400, and when a certain force is exceeded, the self-breaking ring 400 breaks from the breaking line. Of course, the self-breaking ring 400 can also not be provided with a fracture line, but its material needs to be made of thermoplastic elastomer that is easily broken under stress. Thermoplastic elastomer is a kind of mixed compound material, which has the bearing capacity and aging resistance of traditional cross-linked vulcanized rubber. , not easy to break under static load. However, its plasticizing effect during molding is not good, resulting in poor toughness, so it is easy to break when it is impacted.

Referring to Fig. 4 and Fig. 5, in some preferred embodiments, how to wind up the safety belt 3 and provide the force to break the self-breaking ring 400 is as follows:

The active seat belt retractor 5 includes: a mounting frame 500, a slot 501, a rotating shaft 502, a transmission assembly 503, a driving member 508 and a control assembly;

The installation frame 500 is enclosed to form an accommodation space, and its top is provided with a first installation surface; the first installation surface is provided with a passage groove 501 communicating with the accommodation space; the rotating shaft 502 is rotatably installed in the accommodation space, and The safety belt 3 provided with the groove 501 is connected; the transmission assembly 503 is installed on the second installation surface of the mounting bracket 500; connection; a control assembly, which is connected with the driving member 508 and used to receive a collision signal to drive the rotating shaft 502 to wind up the safety belt 3 . The collision signal is sensed by the sensors set on the vehicle, such as shake sensor and acceleration sensor.

In actual use, the installation frame 500 is installed on the side of the sleeper body 1 facing the rear wall of the vehicle body, and then the rotating shaft 502 is installed in the accommodation space; the driving member 508 is installed on the first installation surface, and through the transmission The assembly 503 is connected to the rotating shaft 502 in transmission; then the safety belt 3 is connected to the rotating shaft 502 through the slot 501, and is rolled up in the accommodating space.

Further, the structure of the driving member 508 and the transmission assembly 503 has various forms, such as friction transmission, chain transmission, gear transmission, belt transmission, ratchet transmission, crankshaft and connecting rod transmission, pneumatic transmission, hydraulic transmission, wire rope transmission, joint transmission, etc. Shaft drive, spline drive, etc., as long as they can drive the rotating shaft 502 to rotate, so a specific embodiment is given below, specifically:

The installation frame 500 is provided with a mounting seat 507; the transmission assembly 503 includes a crown gear 504, a transmission rod 505 and a drive worm gear 506; the crown gear 504 is connected to the output shaft of the driver 508; the drive worm gear 506 is installed on On the rotating shaft 502 ; the transmission rod 505 is connected to the installation frame 500 through the installation seat 507 , one end of the transmission rod 505 is meshed with the crown gear 504 , and the other end is provided with a worm meshed with the drive turbine 506 .

The output shaft of the driver 508 drives the crown gear 504 to rotate, and the crown gear 504 rotates the transmission rod 505 , and the worm rod connected to the transmission rod 505 meshes with the driving worm gear 506 , so that the rotating shaft 502 rotates to wind up the safety belt 3 . This structure utilizes the cooperating use of the crown gear 504 , the worm rod and the driving worm gear 506 to have a locking function, and can generate a relatively large torque to produce the effect of breaking the self-breaking ring 400 . The model of the driver 508 can be selected according to the needs.

The teeth of the crown gear 504 are distributed on the end faces, and are generally used in mechanical speed change and reversing clutches, and are also widely used in toys. Its advantages are: small size, compact structure and large transmission torque, as long as the axial positioning part is slightly designed, it can "slip" when overloaded and has a self-protection effect.

In some preferred embodiments, during the use of the implementation, the number of the safety belt 3 is multiple, and is distributed at intervals along the length direction of the protective net 2; the number of the safety belt active retractor 5 is more and are distributed at intervals along the length direction of the sleeper body 1, and are connected one-to-one with the safety belt 3. Referring to FIG. 1 , FIG. 2 and FIG. 3 , there are three seat belt active retractors 5 , three seat belts 3 , and three corresponding guide brackets 4 .

With reference to Fig. 4, in some preferred embodiments, for convenience when not in use, safety belt 3 and safety net 2 can be accommodated, and the following settings have been made:

The active protective sleeper also includes an accommodation box 6 located at the bottom of the sleeper body 1, and the accommodation box 6 is provided with a through groove on the side facing the front of the car, and the through groove communicates with the inner space of the accommodation box 6; One end is fixed in the accommodating box 6, and the other end is connected with the safety belt 3 through a through slot. The housing box 6 is made of aluminum, and is punched to form an aluminum shell with an inner space, and flanges are formed around it. The material of the accommodation box 6 can also be made of hard plastic, thereby reducing weight.

Therefore, when in use, the safety belt active retractor 5 retracts the safety belt 3 to take the protective net 2 out of the storage box 6; when not in use, put the protective net 2 into the storage box 6.

Furthermore, for the convenience of storing the protective net 2 when not in use, the following settings are made:

The accommodating box 6 is provided with a pull-back member 7, and the pull-back member 7 is connected to the protective net 2; when the safety belt active retractor 5 releases the safety belt 3, the protective net 2 is pulled back to Storage box 6, so as to facilitate storage. The pullback member 7 can be a winding structure, driven by a motor, or an elastic structure; the elastic structure is used as an example for specific description below:

The protective net 2 is surrounded by a hemming 8 ; the pullback member 7 includes an elastic belt 700 , one end of the elastic belt 700 is connected to the hemming 8 , and the other end is connected to the storage box 6 . The hemming 8 is not only convenient for the connection with the elastic band 700, but also protects the protective net 2.

Further, referring to FIG. 4 , in order to strengthen the pullback effect of the elastic structure, the pullback member 7 further includes a runner 701 and an elastic rope 702 , and the two runners 701 are arranged in the length direction of the storage box 6 , The two ends of the elastic cord 702 go around the runner 701 and are connected to the wrapping 8 respectively; the number of the elastic bands 700 is two, and they are distributed along the length direction of the storage box 6, and the elastic cord 702 is parallel to the elastic bands 700 set up.

Further, for the convenience of installing the accommodation box 6 , it is also considered that it can be connected with the existing sleeper body 1 to achieve versatility, and the accommodation box 6 is detachably connected with the sleeper body 1 . One of the specific embodiments, with reference to Fig. 8, wherein the accommodation box 6 is provided with a flange that contacts with the bottom of the sleeper body 1, and a card slot 9 is provided around the flange, and the bottom of the sleeper body 1 is provided with a flange that is in contact with the sleeper body 1 The card slot 9 corresponds to the card hook 10, and the card hook 10 is connected to the sleeper body 1 through bolts and screws, so as to realize a detachable connection. In this embodiment, the hook 10 passes through the slot 9 from the top of the flange, and is bent against the bottom of the flange. Of course, other forms of detachable connection are also possible, for example connection by means of magnets, pin connection and the like.

Principle of this application:

(1) Since the guide bracket 4 is provided with a self-breaking ring 400, the guide bracket 4 is located above the sleeper body 1 and is used to be fixed on the wall of the driver's cab facing the rear wall of the vehicle body; one end of the protective net 2 is installed on the sleeper body 1 towards the front On one side, the other end is connected with a safety belt 3; the active safety belt retractor 5 is installed on the side of the sleeper body 1 facing the rear wall of the vehicle body, and is connected with the safety belt 3 passing through the self-breaking ring 400; thus in use When the occupant is resting normally, the protective net 2 stands on the side of the sleeper body 1 facing the front of the car to prevent the occupant from falling, and uses the guide bracket 4 to place the safety belt above the occupant without affecting the occupant's lying Take a break to avoid affecting comfort; when the vehicle collides, the seat belt active retractor 5 will tighten the seat belt 3 and break the self-breaking ring 400 at the same time after receiving the collision signal, so that the seat belt 3 and the protective net 2 will The human body is restrained to avoid collisions caused by the shaking of the human body with the impact force, so as to ensure that the vehicle can actively protect and protect the human body in the event of a vehicle collision, and at the same time facilitate the use of the occupants under normal conditions.

(2) During actual use, the installation frame 500 is installed on the side of the sleeper body 1 facing the rear wall of the vehicle body, and then the rotating shaft 502 is installed in the accommodation space; the driving member 508 is installed on the first installation surface, And through the transmission assembly 503 and the rotating shaft 502 transmission connection; then the seat belt 3 is connected to the rotating shaft 502 through the slot 501, and rolled up in the accommodation space; the mounting frame 500 is provided with a mounting seat 507; the transmission The assembly 503 includes a crown gear 504, a transmission rod 505 and a driving worm gear 506; the crown gear 504 is connected to the output shaft of the driving member 508; the driving worm gear 506 is installed on the rotating shaft 502; the transmission rod 505 passes through the mounting seat 507 Connected with the installation frame 500 , one end of the transmission rod 505 is meshed with the crown gear 504 , and the other end is provided with a worm meshed with the driving worm gear 506 . The output shaft of the driver 508 drives the crown gear 504 to rotate, and the crown gear 504 rotates the transmission rod 505 , and the worm rod connected to the transmission rod 505 meshes with the driving worm gear 506 , so that the rotating shaft 502 rotates to wind up the safety belt 3 . This structure utilizes the cooperating use of the crown gear 504 , the worm rod and the driving worm gear 506 to have a locking function, and can generate a relatively large torque to produce the effect of breaking the self-breaking ring 400 .

(3) The accommodating box 6 is provided with a pullback member 7, and the pullback member 7 is connected with the protective net 2; when the safety belt active retractor 5 unclamps the safety belt 3, the protective net 2 Pull it back into the storage box 6, so as to facilitate storage.

In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower" and so on is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed, or operate in a particular orientation, and thus should not be construed as limiting the application. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediary, or an internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

Those skilled in the art should understand that the embodiments of the present application may be provided as methods, systems, or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

The present application is described with reference to flowcharts and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the present application. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and a combination of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a An apparatus for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart or blocks of the flowchart and/or the block or blocks of the block diagrams. In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory. Memory may include non-permanent storage in computer readable media, in the form of random access memory (RAM) and/or nonvolatile memory such as read only memory (ROM) or flash RAM. The memory is an example of a computer readable medium.

It should be noted that in this application, relative terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply There is no such actual relationship or order between these entities or operations. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The above descriptions are only specific implementation manners of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (10)

1. An active protective sleeper, characterized in that it comprises: Sleeper body (1); The guide bracket (4), the guide bracket (4) has a self-breaking ring (400), the guide bracket (4) is located above the sleeper body (1), and is used to be fixed on the wall of the cab facing the rear wall of the vehicle body; A protective net (2), one end of the protective net (2) is installed on the side of the sleeper body (1) facing the front of the car, and the other end is connected with a safety belt (3); The safety belt active retractor (5), the safety belt active retractor (5) is installed on the side of the sleeper body (1) facing the rear wall of the vehicle body, and is connected with the safety belt passing through the self-breaking ring (400) (3) connection; the safety belt active retractor (5) is used to pull off the self-breaking ring (400) while tightening the safety belt (3) after receiving the collision signal, so that the safety belt (3) and The protective net (2) restrains the human body. 2. The active protective sleeper as claimed in claim 1, characterized in that: The guide bracket (4) also includes a connecting seat (401); The self-breaking ring (400) includes a ring piece, one side of the ring piece is fixedly connected to the connecting seat (401), and the other end is provided with an escape groove (402), and the ring piece is located on both sides of the escape groove (402). With breaking score line. 3. The active protective sleeper as claimed in claim 1, characterized in that, the safety belt active retractor (5) comprises: The installation frame (500), which encloses and forms an accommodation space, and has a first installation surface on its top; the first installation surface is provided with a passageway (501) communicating with the accommodation space; A rotating shaft (502), which is installed in the accommodation space, is connected with the safety belt (3) passing through the slot (501); A transmission assembly (503), which is installed on the mounting frame (500); a driving member (508), which is installed on the first installation surface, and is connected to the rotating shaft (502) through a transmission assembly (503); The control assembly is connected with the driving member (508), and is used for receiving a collision signal, so as to drive the rotating shaft (502) to wind up the safety belt (3). 4. The active protective sleeper as claimed in claim 3, characterized in that: A mounting seat (507) is provided on the mounting frame (500); The transmission assembly (503) includes a crown gear (504), a transmission rod (505) and a driving worm gear (506); The crown gear (504) is connected to the output shaft of the driving member (508); the drive turbine (506) is installed on the rotating shaft (502); the transmission rod (505) passes through the mounting base (507) and the mounting frame (500) connection, one end of the transmission rod (505) is meshed with the crown gear (504), and the other end is provided with a worm meshed with the driving worm gear (506). 5. The active protective sleeper as claimed in claim 1, characterized in that: There are multiple safety belts (3), and they are distributed at intervals along the length direction of the protective net (2); There are multiple safety belt active retractors (5), distributed at intervals along the length direction of the sleeper body (1), and connected one-to-one with the safety belts (3). 6. The active protective sleeper as claimed in claim 1, characterized in that: It also includes an accommodation box (6) located at the bottom of the sleeper body (1), the accommodation box (6) is provided with a through groove on the side facing the front of the car, and the through groove communicates with the inner space of the accommodation box (6); One end of the protective net (2) is fixed in the accommodating box (6), and the other end is connected with the safety belt (3) through a through groove. 7. The active protective sleeper as claimed in claim 6, characterized in that: The storage box (6) is provided with a pullback (7), and the pullback (7) is connected to the protective net (2); when the safety belt active retractor (5) releases the safety belt (3), the protective net (2) is pulled back in the holding box (6). 8. The active protective sleeper as claimed in claim 7, characterized in that: A wrapping (8) is provided around the protective net (2); the pullback member (7) includes an elastic band (700), one end of the elastic band (700) is connected to the wrapping (8), and the other end is connected to the wrapping (8). The accommodation box (6) is connected. 9. The active protective sleeper as claimed in claim 8, characterized in that: The pullback member (7) also includes a runner (701) and an elastic cord (702), the two runners (701) are arranged on the length direction of the storage box (6), and the elastic cord (702) The two ends respectively go around the runner (701) and connect with the wrapping (8); There are two elastic bands (700), which are distributed along the length direction of the storage box (6), and the elastic cords (702) are arranged parallel to the elastic bands (700). 10. The active protective sleeper as claimed in claim 6, characterized in that: The accommodation box (6) is detachably connected to the sleeper body (1).

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