CN220973999U - Multifunctional sleeper bed frame - Google Patents

Abstract

The utility model discloses a multifunctional sleeper bed frame which comprises a fixed frame and a first extension framework, wherein the fixed frame is supported and placed on a vehicle body support, support grooves are formed in the two ends of the fixed frame, the axial direction of each support groove is perpendicular to the length direction of the fixed frame, the two ends of the first extension framework extend into the support grooves, the first extension framework is connected with the support grooves in a drawing mode, supporting legs are arranged on the bottom surface of the first extension framework, an inner clamping force elastic sheet and an outer clamping force elastic sheet which correspond to a withdrawing position and an extracting position respectively are arranged on the bottom surface of the fixed frame, a clamp is arranged on the surface of the first extension framework, and two clamping blocks which are clamped with the inner clamping force elastic sheet and the outer clamping force elastic sheet respectively are arranged at the two ends of the clamp. The multifunctional sleeper bed frame effectively solves the problem that the sleeper is only used as a rest and has a single function in the prior commercial vehicle.

Description

Multifunctional sleeper bed frame

Technical Field

The utility model relates to the technical field of sleeping berths of commercial vehicles, in particular to a multifunctional sleeping berth bed frame.

Background

In long haul transport, the cab is a home on the way of the driver's friends. The sleeper is an important component of a cab, the sleeper of the traditional commercial vehicle is narrow and single in purpose, the sleeper can only be used for sleeping of a truck driver, most temporary parking drivers are more willing to sit on a driving seat instead of using more sleeper, under the current condition, a multifunctional sleeper is developed, and the living environment of the driver can be greatly changed for the master of the driver.

Referring to fig. 1, fig. 1 is a schematic diagram of a typical sleeping berth with a foldable head in the prior art. The sleeper comprises a plate body and a sleeper pad arranged on the plate body, the plate body comprises a supporting plate 105 and a bottom plate 104 arranged on the supporting plate 105, the sleeper pad comprises a first sleeper pad 103 arranged on the upper surface of the bottom plate 104 and a second sleeper pad 106 arranged on the upper surface of the supporting plate 105, at least one group of connecting pieces 102 are arranged on the lower surfaces of the first sleeper pad 104 and the bottom plate 104, a pneumatic supporting rod 101 is arranged on the supporting plate 105, and hanging parts of movable ends of the pneumatic supporting rod 101 are selectively connected with the connecting pieces 102. By installing the pneumatic support rods 101 on the support plate 105, the support heights of the bottom plate 104 and the first sleeping mat 103 are adjusted by utilizing the pneumatic support rods 101, so that the sitting posture or lying posture is adjusted, and the requirements of leaning or lying are met. However, the sleeping berth with the foldable and turnover head is narrower, the rest space is insufficient, the sleeping berth can only be used as a rest, the function is single, and the use is inconvenient.

In summary, how to effectively solve the problem that the existing sleeper of the commercial vehicle is only used as a rest and has single function is a problem which needs to be solved by the people skilled in the art at present.

Disclosure of utility model

The utility model aims to provide a multifunctional sleeper bedstead, which effectively solves the problem that the prior sleeper of a commercial vehicle is only used for rest and has single function.

In order to solve the technical problems, the utility model provides the following technical scheme:

The utility model provides a multi-functional sleeper bedstead, includes fixed frame and first extension skeleton, fixed frame supports and places on the automobile body support, fixed frame's both ends are provided with the supporting slot, the axis direction of supporting slot with fixed frame's length direction is perpendicular, first extension skeleton's both ends stretch into in the supporting slot, first extension skeleton with the supporting slot pull is connected, first extension skeleton's bottom surface is provided with the supporting leg, fixed frame's bottom surface is equipped with interior clamp force shell fragment and the outer clamp force shell fragment that corresponds the withdrawal position respectively and take out the position, first extension skeleton's surface is equipped with the checkpost, the both ends of checkpost be provided with respectively with interior clamp force shell fragment and outer clamp force shell fragment looks joint two fixture blocks.

Optionally, a track is arranged in the supporting groove, the track is parallel to the supporting groove, pulleys are arranged at two ends of the first extension framework, and the pulleys are connected to the track.

Optionally, the inner clamping force spring plate and the outer clamping force spring plate are provided with inward bayonets, the bayonets are consistent with the axial direction of the supporting groove, the clamping block is diamond-shaped, and one sharp corner of the clamping block points to the bayonets.

Optionally, the supporting leg is rotatably connected with the bottom surface of the first extending skeleton, and when the support leg is retracted, the supporting leg is parallel to the first extending skeleton.

Optionally, the thickness of the mattress corresponding to the fixed frame is smaller than that of the mattress corresponding to the first extending framework, and the mattress corresponding to the fixed frame is flush with the upper surface of the mattress corresponding to the first extending framework.

Optionally, the vehicle further comprises a four-bar linkage mechanism and a telescopic device arranged on the four-bar linkage mechanism, wherein the bottom surface of the four-bar linkage mechanism is fixed on the ground of the vehicle body, the top surface of the four-bar linkage mechanism is fixedly connected with the bottom surface of the fixed frame, one end of the telescopic device is connected to one side, close to the first extension framework, of the top surface of the four-bar linkage mechanism, and the other end of the telescopic device is connected to one side, far away from the first extension framework, of the four-bar linkage mechanism.

Optionally, the backrest comprises a backrest framework connected with one end of the fixed framework through a backrest angle adjuster, a supporting piece is arranged at the other end of the backrest framework, and the supporting piece is lapped on a supporting table of the car body.

Optionally, the backrest angle adjuster comprises a first connecting piece fixedly connected with the fixed frame and a second connecting piece fixedly connected with the backrest framework, and the first connecting piece and the second connecting piece are rotationally connected.

Optionally, the back support frame further comprises a second extension frame, the second extension frame is connected with one end, close to the back support frame, of the first extension frame through a hinge, a support plate is arranged at the bottom of one side, close to the second extension frame, of the back support frame, and the second extension frame is overlapped on the support plate after being overturned out.

Optionally, the first extending skeleton is provided with a storage groove, and the second extending skeleton is arranged in the storage groove after being turned upwards and folded.

The multifunctional sleeper bed frame comprises the fixed frame and the first extension framework, wherein the support is arranged at the set position on the vehicle body, the fixed frame is supported and placed on the vehicle body support, the position of the support is fixed, and the fixed frame is supported by the support, so that the stability is good. The front end and the rear end of the fixed frame are respectively provided with a supporting groove, and the specific fixed frame and the supporting grooves can be connected through bolts and can be detached, so that the fixed frame is convenient to connect and detach. The axial direction of the supporting grooves is perpendicular to the length direction of the fixed frame, the notches of the two supporting grooves are opposite and face to the middle, namely, the notch of the front supporting groove faces to the rear, and the notch of the rear supporting groove faces to the front. Optionally, the support groove is a groove type groove or a right angle groove.

The length direction of the first extension framework is the same as that of the fixed framework, and two ends of the first extension framework are respectively inserted into the two end supporting grooves. The first extension framework is connected with the support groove in a drawing mode, and can be pulled out from the direction parallel to the support groove to push the first extension framework inwards to be retracted. The support legs are arranged at the outer positions of the bottom surface of the first extension framework, the inner ends of the first extension framework are lapped on the support grooves after being pulled out, and the outer ends of the first extension framework are supported through the support legs.

The bottom surface of the fixed frame is provided with an inner clamping force spring piece and an outer clamping force spring piece, the inner clamping force spring piece and the outer clamping force spring piece have elasticity, and the inner clamping force spring piece and the outer clamping force spring piece correspond to the withdrawing position and the withdrawing position respectively. The surface of first extension skeleton is equipped with the checkpost, and the both ends of checkpost are provided with interior fixture block and the outer fixture block with interior clamp force shell fragment and the looks joint of outer clamp force shell fragment respectively, and the fixture block can block into the clamp force shell fragment, also can deviate from the clamp force shell fragment, and the connection mode of checkpost and clamp force shell fragment forms fixed joint mechanism. When the first extension framework is retracted in the fixed framework, the inner clamping block is clamped into the inner clamping force elastic sheet, so that the retraction state positioning is realized, and the first extension framework is prevented from sliding randomly in the running process of the vehicle; when the first extension framework is pulled out, the inner clamping block is separated from the inner clamping force elastic sheet; the first extension framework is pulled outwards continuously, and the outer clamping block is clamped into the outer clamping force elastic sheet, so that the extraction state positioning is realized.

By applying the technical scheme provided by the embodiment of the utility model, the sleeper is in a daily state, the first extension framework is pulled outwards in the direction vertical to the length direction of the fixed framework, and is pulled to a terminal state to be clamped and fixed with the fixed clamping mechanism, so that the first extension framework can be used as a small table plate, the width of the sleeper can be widened, the rest space is more spacious and comfortable, the use functions are enriched, and the sleeper is more convenient to use; when the first extension framework is not used, the first extension framework is retracted, and the space in the carriage is enlarged.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a typical head folding and tipping sleeper of the prior art;

fig. 2 is a schematic diagram of a daily use state of the multifunctional sleeper bed frame according to an embodiment of the present utility model;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is an exploded view of FIG. 1;

FIG. 5 is a schematic view showing the multifunctional sleeper frame in a turned-up state;

FIG. 6 is a schematic view of the first extension frame of FIG. 1 in an extracted state;

FIG. 7 is a schematic view of the first and second elongated frames of FIG. 1 in an extracted state;

FIG. 8 is a schematic view of the back frame of FIG. 1 in an inverted position;

FIG. 9 is a schematic illustration of the connection of the fixed frame and the first extension frame;

FIG. 10 is another schematic illustration of the attachment of the fixed frame to the first extension frame;

FIG. 11 is a schematic illustration of the attachment of the stationary frame to the back frame;

FIG. 12 is a schematic view of a securing latch mechanism;

Fig. 13 is a schematic view of a four bar linkage.

The figures are marked as follows:

The device comprises a 1-fixed frame, a 2-fixed clamping mechanism, a 3-first extending framework, a 4-supporting leg assembly, a 5-four-bar mechanism, a 6-second extending framework, a 7-backrest angle adjuster, an 8-backrest framework, a 9-hinge, a 10-pulley, an 11-track, a 12-clamping spring piece and a 13-clip.

Detailed Description

The utility model aims at providing a multifunctional sleeper bedstead, which effectively solves the problems that the prior sleeper of a commercial vehicle is only used for rest and has single function.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 2 to 13, fig. 2 is a schematic diagram illustrating a daily use state of the multifunctional sleeper bed frame according to an embodiment of the present utility model; FIG. 3 is a side view of FIG. 1; FIG. 4 is an exploded view of FIG. 1; FIG. 5 is a schematic view showing the multifunctional sleeper frame in a turned-up state; FIG. 6 is a schematic view of the first extension frame of FIG. 1 in an extracted state; FIG. 7 is a schematic view of the first and second elongated frames of FIG. 1 in an extracted state; FIG. 8 is a schematic view of the back frame of FIG. 1 in an inverted position; FIG. 9 is a schematic illustration of the connection of the fixed frame and the first extension frame; FIG. 10 is another schematic illustration of the attachment of the fixed frame to the first extension frame; FIG. 11 is a schematic illustration of the attachment of the stationary frame to the back frame; FIG. 12 is a schematic view of a securing latch mechanism; fig. 13 is a schematic view of a four bar linkage.

In a specific embodiment, the multifunctional sleeper bed frame provided by the utility model comprises a fixed frame 1 and a first extension framework 3, wherein the fixed frame 1 is supported and placed on a vehicle body support, two ends of the fixed frame 1 are provided with supporting grooves, the axial direction of each supporting groove is perpendicular to the length direction of the fixed frame 1, two ends of the first extension framework 3 extend into the supporting grooves, the first extension framework 3 is connected with the supporting grooves in a drawing manner, the bottom surface of the first extension framework 3 is provided with supporting legs 4, the bottom surface of the fixed frame 1 is provided with an inner clamping force elastic sheet 12 and an outer clamping force elastic sheet 12 which respectively correspond to a withdrawing position and a withdrawing position, the surface of the first extension framework 3 is provided with a clamp 13, and two clamping blocks respectively clamped with the inner clamping force elastic sheet 12 and the outer clamping force elastic sheet 12 are arranged at two ends of the clamp 13.

In the above-mentioned structure, multi-functional sleeper bedstead includes fixed frame 1 and first extension skeleton 3, is provided with the support in the settlement position on the automobile body, and fixed frame 1 supports and places on the automobile body support, and the fixed frame 1 is supported through the support to the fixed position of support, and stability is better.

The front end and the rear end of the fixed frame 1 are respectively provided with a supporting groove, and the specific fixed frame 1 and the supporting grooves can be connected through bolts and can be detached, so that connection and detachment are convenient. The axial direction of the supporting grooves is perpendicular to the length direction of the fixed frame 1, the notches of the two supporting grooves are opposite and face to the middle, namely, the notch of the front supporting groove faces to the rear, and the notch of the rear supporting groove faces to the front. Optionally, the support groove is a groove type groove or a right angle groove.

The length direction of the first extension framework 3 is the same as that of the fixed framework 1, and two ends of the first extension framework 3 are respectively inserted into the two end supporting grooves. The first extension framework 3 is connected with the support groove in a drawing way, the first extension framework 3 can be pulled out outwards from the direction parallel to the support groove, and the first extension framework 3 is pushed inwards to be retracted.

The support legs 4 are arranged at the outer positions of the bottom surface of the first extension framework 3, the inner ends of the first extension framework 3 are lapped on the support grooves after being pulled out, and the outer ends of the first extension framework are supported by the support legs 4.

The bottom surface of the fixed frame 1 is provided with an inner clamping force spring piece 12 and an outer clamping force spring piece 12, the inner clamping force spring piece 12 and the outer clamping force spring piece 12 have elasticity, and the inner clamping force spring piece 12 and the outer clamping force spring piece 12 respectively correspond to a withdrawing position and an extracting position.

The surface of the first extension skeleton 3 is provided with a clamp 13, two ends of the clamp 13 are provided with an inner clamping block and an outer clamping block which are respectively clamped with the inner clamping force spring piece 12 and the outer clamping force spring piece 12, the clamping blocks can be clamped into the clamping force spring piece 12 and also can be separated from the clamping force spring piece 12, and the connecting mode of the clamp 13 and the clamping force spring piece 12 forms a fixed clamping mechanism 2.

When the first extension framework 3 is retracted in the fixed framework 1, the inner clamping blocks are clamped into the inner clamping force elastic pieces 12, so that the retraction state positioning is realized, and the first extension framework 3 is prevented from sliding randomly in the running process of the vehicle; when the first extension framework 3 is pulled out, the inner clamping block is separated from the inner clamping force elastic sheet 12; the first extension framework 3 is pulled outwards continuously, and the outer clamping blocks are clamped into the outer clamping force elastic pieces 12, so that the extraction state positioning is realized.

By applying the technical scheme provided by the embodiment of the utility model, the sleeper is in a daily state, the first extension framework 3 is pulled outwards in the direction vertical to the length direction of the fixed frame 1, and is pulled to a terminal state to be clamped and fixed with the fixed clamping mechanism 2, so that the first extension framework 3 can be used as a small table plate, the width of the sleeper can be widened, the rest space is more spacious and comfortable, the use functions are enriched, and the use is more convenient; when the first extension frame 3 is not used, the first extension frame 3 is retracted, and the space in the vehicle cabin is enlarged.

On the basis of the above embodiments, the track 11 is disposed in the supporting groove, the track 11 is parallel to the supporting groove, and the track 11 may be a circular tube, so that the cost is low. Both ends of the first extending skeleton 3 are provided with pulleys 10, the pulleys 10 are connected to the track 11, the pulleys 10 can slide along the track 11, sliding friction is converted into rolling friction, and drawing or pushing the first extending skeleton 3 is more labor-saving and abrasion is reduced. In order to maintain the balance of the first preset skeleton, at least two pulleys 10 are provided at each end.

On the basis of the above-mentioned embodiments, the inner clamping force elastic sheet 12 and the outer clamping force elastic sheet 12 have inward bayonets, the axial directions of the bayonets and the supporting grooves are consistent, the clamping blocks are diamond-shaped, one sharp corner of each clamping block points to the bayonets, the sharp corners of the two opposite clamping blocks are connected through the connecting rod, and when the clamping blocks are clamped into the clamping force elastic sheet 12, the connected connecting rod enters the bayonets. Optionally, to facilitate disengagement of the clip from the clip force dome 12, two other sharp corners are rounded.

On the basis of the above embodiments, the supporting leg 4 is rotatably connected with the bottom surface of the first extension frame 3, and after the first extension frame 3 is pulled out, the supporting leg 4 is turned to the vertical direction to support the first extension frame 3. When packing up, supporting leg 4 is parallel with first extension skeleton 3, and supporting leg 4 is not contacted with the automobile body ground, and first extension skeleton 3 is supported through the supporting slot, conveniently places the thing under first extension skeleton 3, and when drawing first extension skeleton 3, supporting leg 4 does not collide with the interference with the automobile body ground.

On the basis of the above-mentioned various embodiments, the thickness of the mattress corresponding to the fixed frame 1 is smaller than that of the mattress corresponding to the first extension frame 3, and the mattress corresponding to the fixed frame 1 is flush with the mattress corresponding to the first extension frame 3 on the upper surface.

In some embodiments, since the height of the first extension frame 3 is lower than the height of the fixed frame 1, when the mattress is laid, the mattress corresponding to the fixed frame 1 is thinned, and the mattress corresponding to the first extension frame 3 is thickened, so that the mattress corresponding to the fixed frame 1 is flush with the upper surface of the mattress corresponding to the first extension frame 3, and the comfort of lying on a sleeper is improved.

In another more reliable embodiment, on the basis of any one of the above embodiments, the device further comprises a four-bar linkage 5 and a telescopic device installed on the four-bar linkage 5, wherein the bottom surface of the four-bar linkage 5 is fixed on the ground of the vehicle body, the top surface of the four-bar linkage is fixedly connected with the bottom surface of the fixed frame 1, one end of the telescopic device is connected to one side, close to the first extension framework 3, of the top surface of the four-bar linkage 5, and the other end of the telescopic device is connected to one side, far away from the first extension framework 3, of the four-bar linkage 5.

In some embodiments, the four-bar linkage 5 includes a top surface, a bottom surface, and two connecting members connecting the top surface and the bottom surface, the bottom surface is fixed on the ground of the vehicle body, the top surface is fixedly connected with the bottom surface of the fixed frame 1, and the connecting members are hinged with the top surface and the bottom surface.

One end of the telescopic device is connected to one side, close to the first extending framework 3, of the top surface of the four-bar mechanism 5, and the other end of the telescopic device is connected to a connecting piece on one side, far away from the first extending framework 3, of the four-bar mechanism 5. The air stay bar of the telescopic device stretches out, the bottom surface of the four-bar mechanism 5 is fixed under the upward acting force, the top surface is driven to turn upwards around the hinging point of the four-bar mechanism and the connecting rod, and accordingly the fixed frame 1 is driven to turn upwards. For example, the air stay bar is opened, the whole frame is supported to be turned upwards by 60 degrees, the functional requirement of taking articles under the sleeper is met, the articles are not easy to collide, and the safety is high. Optionally, the expansion device is a cylinder or a gas spring.

In another more reliable embodiment, on the basis of any one of the above embodiments, the backrest further comprises a backrest framework 8 connected with one end of the fixed frame 1 through a backrest angle adjuster 7, wherein a supporting piece is arranged at the other end of the backrest framework 8 and is lapped on a supporting table of the vehicle body.

In some embodiments, the backrest frame 8 is connected to one end of the fixed frame 1, and in particular the backrest frame 8 and the fixed frame 1 pass through the backrest angle adjuster 7. Under daily state, the backrest framework 8 is turned over upwards in the Z direction, the whole backrest framework 8 rotates around the center of the backrest angle adjuster 7, the supporting height of the backrest framework 8 and the fixed frame 1 is adjusted by utilizing the backrest angle adjuster, and then the sitting posture or lying posture is adjusted, so that the requirements of leaning or lying are met.

The other end of the backrest framework 8 is provided with a supporting piece, when the backrest framework 8 is parallel to the fixed frame 1, the supporting piece is lapped on a supporting table of a vehicle body, and the backrest framework 8 is supported through the supporting table, so that the safety and reliability are improved.

On the basis of the above-described respective embodiments, the backrest angle adjuster 7 includes a first link fixedly connected to the fixed frame 1, and a second link fixedly connected to the backrest frame 8, the first link and the second link being rotatably connected. The sleeper head is turned up, and the multi-gear angle is adjusted, for example, the backrest angle adjuster 7 is adjusted in 5 gears in the range of 0-90 degrees, so that the backrest framework 8 can be fixed at different angles, the requirement of multi-angle leaning is met, and the leaning is more convenient to use.

On the basis of the above embodiments, the backrest frame further comprises a second extension frame 6, wherein the second extension frame 6 is connected with one end of the first extension frame 3, which is close to the backrest frame 8, through a hinge 9, the backrest frame 8 is provided with a support plate at the bottom of one side, which is close to the second extension frame 6, and the second extension frame 6 is lapped on the support plate after being turned over.

In some embodiments, the second extension frame 6 is rotatably connected with one end of the first extension frame 3, and may be specifically connected by a hinge 9, so that the second extension frame is convenient to turn, open and fold. The second extends the skeleton 6 and connects in the one end that first extension skeleton 3 is close to backrest skeleton 8, and the sleeper is when taking out first extension skeleton 3 state, upset second extension skeleton 6, and second extension skeleton 6 is rotatory 180 around hinge 9, and the interior border overlap joint of second extension skeleton 6 is in the backup pad of backrest skeleton 8, and the backup pad supports second extension skeleton 6, and second extension skeleton 6 plays the width effect of widening the sleeper.

Alternatively, the first extension frame 3 has the same length as the fixed frame 1, and the second extension frame 6 has the same length as the back frame 8. When the backrest framework 8 is put flat, the second extension framework 6 is turned over and opened, the second extension framework 6 prolongs the length of the first extension framework 3, the front end and the rear end of the bedstead are flush, the backrest is neat and attractive, the edges and corners are reduced, and the backrest framework is not easy to collide with and convenient to use.

On the basis of the above-mentioned embodiments, the first extension frame 3 is provided with a storage groove, and the second extension frame 6 is arranged in the storage groove after being turned upwards and folded. When the sleeper is in a state of extracting the first extension framework 3, the second extension framework 6 contained in the sleeper is turned over, and when the sleeper is not used, the second extension framework 6 is reversely turned over, the second extension framework 6 is arranged in the storage groove, so that the sleeper is compact in structure, small in space, attractive and tidy.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The multifunctional sleeper bed frame provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a multi-functional sleeper bedstead, its characterized in that, including fixed frame (1) and first extension skeleton (3), fixed frame (1) support is placed on the automobile body support, the both ends of fixed frame (1) are provided with the supporting slot, the axis direction of supporting slot with the length direction of fixed frame (1) is perpendicular, the both ends of first extension skeleton (3) stretch into in the supporting slot, first extension skeleton (3) with supporting slot pull is connected, the bottom surface of first extension skeleton (3) is provided with supporting leg (4), the bottom surface of fixed frame (1) is equipped with interior clamp shell fragment (12) and the outer clamp shell fragment (12) of corresponding withdrawal position respectively, the surface of first extension skeleton (3) is equipped with checkpost (13), the both ends of checkpost (13) be provided with respectively with interior clamp shell fragment (12) and outer clamp shell fragment (12) two fixture blocks of joint mutually.

2. The multifunctional sleeper bed frame according to claim 1, wherein a track (11) is arranged in the supporting groove, the track (11) is parallel to the supporting groove, pulleys (10) are arranged at two ends of the first extension frame (3), and the pulleys (10) are connected to the track (11).

3. The multifunctional sleeper bed frame according to claim 1, wherein the inner clamping force spring sheet (12) and the outer clamping force spring sheet (12) are provided with inward bayonets, the bayonets are consistent with the axial direction of the supporting grooves, the clamping blocks are diamond-shaped, and one sharp corner of each clamping block points to each bayonet.

4. The multifunctional sleeper bed frame according to claim 1, characterized in that the support legs (4) are rotatably connected to the bottom surface of the first extension frame (3), and that the support legs (4) are parallel to the first extension frame (3) when stowed.

5. The multifunctional sleeper bed frame according to claim 1, wherein the thickness of the mattress corresponding to the fixed frame (1) is smaller than that of the mattress corresponding to the first extension frame (3), and the mattress corresponding to the fixed frame (1) is flush with the upper surface of the mattress corresponding to the first extension frame (3).

6. The multifunctional sleeper bed frame according to any one of claims 1-5, further comprising a four-bar linkage (5) and a telescopic device mounted on the four-bar linkage (5), wherein the bottom surface of the four-bar linkage (5) is fixed on the ground of the car body, the top surface is fixedly connected with the bottom surface of the fixed frame (1), one end of the telescopic device is connected to one side of the top surface of the four-bar linkage (5) close to the first extension frame (3), and the other end is connected to one side of the four-bar linkage (5) far away from the first extension frame (3).

7. The multifunctional sleeper bed frame according to any one of claims 1-5, further comprising a back frame (8) connected to one end of the fixed frame (1) through a back angle adjuster (7), wherein a supporting member is provided at the other end of the back frame (8), and the supporting member is overlapped on a supporting table of a car body.

8. The multifunctional sleeper bed frame according to claim 7, wherein the backrest angle adjuster (7) comprises a first connecting member fixedly connected with the fixed frame (1), a second connecting member fixedly connected with the backrest frame (8), the first and second connecting members being rotatably connected.

9. The multifunctional sleeper bed frame according to claim 7, further comprising a second extension frame (6), wherein the second extension frame (6) is connected with one end of the first extension frame (3) close to the backrest frame (8) through a hinge (9), a support plate is arranged at the bottom of one side close to the second extension frame (6) of the backrest frame (8), and the second extension frame (6) is lapped on the support plate after being turned over.

10. The multifunctional sleeper bed frame according to claim 9, wherein the first extension frame (3) is provided with a storage groove, and the second extension frame (6) is arranged in the storage groove after being turned upwards and folded.