CN112297982A

CN112297982A - Width-adjustable lower sleeper assembly of truck

Info

Publication number: CN112297982A
Application number: CN202011255924.8A
Authority: CN
Inventors: 刘亦璞; 罗景山
Original assignee: Changchun Youyi Plastic Rubber Co ltd
Current assignee: Changchun Youyi Plastic Rubber Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-02-02
Anticipated expiration: 2040-11-11
Also published as: CN112297982B

Abstract

A truck lower sleeper assembly with adjustable width comprises a connecting frame arranged in a truck body, a sleeper framework arranged on the connecting frame in a sliding manner through a guide rail component, and a spongy cushion connecting beam fixedly connected to the connecting frame on one side of the sleeper framework; a sponge cushion is arranged on the sleeper framework, and one end of the sponge cushion is connected with a sponge cushion connecting beam; the sponge mat is characterized by further comprising a covering arranged on the sponge mat, a supporting beam fixedly connected with the sponge mat connecting beam, and a reel device arranged in the supporting beam. According to the truck lower sleeper assembly with the adjustable width, the connecting frame is arranged to facilitate the arrangement of the whole structure, the sleeper framework is arranged on the connecting frame in a sliding mode, the position of the sleeper framework on the connecting frame can be changed to stretch or contract the spongy cushion, the width of the sleeper can be adjusted, the integral attractiveness can be guaranteed through the arrangement of the skin, and the spongy cushion can be supported through the support beam to guarantee the safety in the using process.

Description

Width-adjustable lower sleeper assembly of truck

Technical Field

The invention relates to the technical field of automobile parts, in particular to a truck lower sleeper assembly with adjustable width.

Background

At present, for medium and heavy trucks, long distance driving comfort is undoubtedly the focus of customer attention, and among these, comfortable and durable couches are more and more appreciated by many people. At present, the design of the sleeper device of the medium and heavy truck meets the requirements of practicability and durability, simultaneously fills the design concepts of human engineering and aesthetics, and strives to reduce the product cost. The truck sleeper framework in the existing structure is mostly made of metal frames, the structure is heavy, integral welding or bolt connection is adopted during connection, the assembling efficiency is low, the cost is high, and the competition of enterprises is not facilitated. The sleeper assembly width is the definite value under most of current commercial car, can not adjust and widen, can not satisfy the space that two people had a rest simultaneously, though there is some a few sleeper mechanism width adjustable, nevertheless generally adopts polylith foam-rubber cushion to superpose and lays, and external sleeper pad splices promptly on former sleeper pad basis and widens the scheme, and is too complicated in the use, and the sleeper pad does not have more spaces to place when not widening simultaneously, and the bulk operation is used inconveniently.

Disclosure of Invention

In view of the above, the present invention is directed to a width-adjustable truck sleeper assembly, so as to avoid the disadvantages of the prior art in the sleeper width adjustment manner, and to achieve a better use effect.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a truck lower sleeper assembly with adjustable width comprises a connecting frame arranged in a truck body, a sleeper framework arranged on the connecting frame in a sliding manner through a guide rail assembly, and a spongy cushion connecting beam fixedly connected to the connecting frame on one side of the sleeper framework; a telescopic and deformable sponge cushion is arranged on the sleeper framework, and one end of the sponge cushion is connected with the sponge cushion connecting beam; the sponge mat is characterized by further comprising a cover arranged on a skin on the sponge mat, a supporting beam fixedly connected with the sponge mat connecting beam to support the sponge mat, a reel device arranged in the supporting beam and used for pulling the skin, and the skin is wound on the reel device through the sponge mat connecting beam.

Furthermore, the sleeping berth skeleton includes that the roof beam body connects gradually and encloses the sleeping berth frame that constitutes, and via the shock attenuation piece and joint in a plurality of tie-beams between the longeron, in each the tie-beam on respectively the joint have a plurality of shock attenuation portions that support the foam-rubber cushion, in one of them link firmly on the roof beam body can follow the gliding slip joint spare of a supporting beam, and for slip joint spare, in another be provided with the handle on the roof beam body.

Furthermore, the guide rail assembly comprises a first connecting plate fixedly connected to the connecting frame and a second connecting plate buckled on the first connecting plate and capable of sliding along the first connecting plate through a sliding piece, and the sleeper framework is fixedly connected to the second connecting plate.

Furthermore, the sliding part comprises a first U-shaped frame fixedly connected to the first connecting plate and a second U-shaped frame fixedly connected to the second connecting plate, and the first U-shaped frame and the second U-shaped frame are buckled and slide.

Further, be provided with the sliding location subassembly between first connecting plate and the second connecting plate, the sliding location subassembly including link firmly in the round pin axle mounting bracket of first connecting plate lateral part department slides and locates round pin epaxial round pin axle of round pin mounting bracket, and be formed at round pin shaft hole on the second connecting plate, in be provided with on the round pin axle mounting bracket right the round pin axle carries out the elasticity top and pushes up, so that round pin axle cartridge in the downthehole spring of round pin axle, and in be provided with between handle and the round pin epaxial right the round pin axle with the slip unblock subassembly that the cartridge in round pin shaft hole carries out the unblock.

Furthermore, the sliding unlocking assembly comprises a button arranged on the handle and a pull wire arranged between the button and the pin shaft, and under the driving of external force, the button forms traction on the pin shaft due to sliding relative to the handle so as to enable the pin shaft to be separated from the insertion of the pin shaft hole.

Furthermore, one end of the connecting frame is hinged to the vehicle body, an air supporting rod is arranged between the connecting frame and the vehicle body, and a rotation limiting mechanism is arranged between the connecting frame and the vehicle body.

Furthermore, the rotation limiting mechanism comprises a lock hook fixedly connected to the vehicle body and a lock latch fixedly connected to the sleeping berth frame, the lock latch is provided with a lock tongue in clamping fit with the lock hook, and an unlocking assembly for unlocking the lock tongue in clamping fit with the lock hook is arranged between the sleeping berth frame and the vehicle body.

Further, the unblock subassembly is including locating be provided with first button on the handle, and connect in first button with first acting as go-between the spring bolt, under external force orders about, first button is because of for the slip of handle constitutes right the tractive of spring bolt, so that the spring bolt break away from with the joint of latch hook.

Further, the sponge cushion comprises a sponge cushion body, and under the pulling of a transverse force, the sponge cushion body has transverse telescopic deformation; the sponge pad comprises a sponge pad body and is characterized by further comprising a plurality of longitudinal cuts formed in the sponge pad body for the sponge pad body to transversely stretch and deform, and the cross section of each longitudinal cut is in a strip shape in a natural state of the sponge pad body.

Compared with the prior art, the invention has the following advantages:

(1) according to the truck lower sleeper assembly with the adjustable width, the connecting frame is arranged to facilitate the arrangement of the whole structure, the sleeper framework is arranged on the connecting frame in a sliding mode, the sponge cushion connecting beam is fixedly arranged on the connecting frame, the sponge cushion can be stretched or contracted by changing the position of the sleeper framework on the connecting frame, the width of a sleeper can be adjusted, the integral attractiveness can be guaranteed by arranging the skin, the sponge cushion can be supported by the supporting beam to guarantee the safety in the using process, the skin can be wound and loosened by the winding shaft device, the skin is guaranteed to have a certain tensioning effect all the time, and the truck lower sleeper assembly with the adjustable width has a good using effect.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is an exploded view of an adjustable width truck bed assembly according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a truck sleeper damping skeleton according to an embodiment of the invention;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a cross-sectional view taken along plane A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is a schematic view of the structure of FIG. 2 with the shock absorbing portion removed;

FIG. 7 is a schematic view of the internal structure of a beam body and a corner connector according to an embodiment of the present invention after connection;

FIG. 8 is an enlarged view of a portion B of FIG. 7;

FIG. 9 is a schematic view of a beam structure according to an embodiment of the present invention;

FIG. 10 is a side view of FIG. 9;

FIG. 11 is a schematic structural view of a shock absorbing member according to an embodiment of the present invention;

FIG. 12 is a side view of FIG. 11;

FIG. 13 is a schematic view of the coupling of the sleeper frame to the foam-rubber cushion attachment beam in accordance with an embodiment of the present invention;

FIG. 14 is an enlarged view of a portion C of FIG. 13;

FIG. 15 is a schematic structural diagram of a connecting frame according to an embodiment of the present invention;

FIG. 16 is a cross-sectional view of FIG. 15;

FIG. 17 is a schematic view of a portion of a width-adjustable truck sleeper assembly according to an embodiment of the present invention;

FIG. 18 is a partial cross-sectional view of an adjustable width truck sleeper assembly in accordance with an embodiment of the present invention;

FIG. 19 is a schematic diagram of an adjustable width sponge mat according to an embodiment of the invention;

FIG. 20 is an enlarged view of a portion D of FIG. 19;

FIG. 21 is a schematic illustration of the sponge pad of FIG. 19 after being stretched in the transverse direction;

description of reference numerals:

1-connecting bracket, 101-first connecting bracket, 102-second connecting bracket, 2-foam pad connecting beam, 201-branch beam, 202-second branch beam, 3-foam pad, 301-foam pad body, 302-longitudinal notch, 303-end notch, 304-flange, 4-beam body, 401-main body plate, 4011-flanging, 402-first connecting plate, 403-second connecting plate, 404-third connecting plate, 5-shock absorber, 501-sleeve, 502-snap arm, 5021-first snap arm, 5022-second snap arm, 5023-third snap arm, 503-connecting arm, 504-reinforcing rib, 6-connecting beam, 601-connecting beam body, 602-snap shoulder, 603-lightening hole, 7-shock absorber, 701-damping body plate, 702-clamping arm, 8-positioning groove, 9-clamping groove, 10-beam body connecting plate, 1001-plug hole, 11-clamping protrusion, 12-clamping hole, 13-slit, 14-weakening part, 15-first clamping joint, 16-second clamping joint, 17-gas strut, 18-support seat, 19-locking hook, 20-locking tongue, 21-handle, 22-first button, 23-first pull wire, 24-first connecting plate, 2401-pin hole, 25-sliding part, 2501-first U-shaped frame, 2502-second U-shaped frame, 26-second connecting plate, 27-third jaw, 28-pin mounting frame, 29-pin, 30-spring, 31-button, 32-pull wire, 33-skin, 34-support beam, 35-back plate, 36-jaw, 37-reel, 38-second jaw, 39-sliding sleeve, 40-decorative cover, 41-support plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

This embodiment relates to a sleeper assembly under truck of adjustable width, and is shown by figure 1, and it is including locating link 1 in the automobile body, via the guide rail set spare and the sleeper skeleton on locating link 1 that slides to and link firmly the foam-rubber cushion tie-beam 2 on sleeper skeleton one side link 1, and be provided with the foam-rubber cushion 3 of scalable deformation on the sleeper skeleton, and the one end and the foam-rubber cushion tie-beam 2 of this foam-rubber cushion 3 are connected.

The sponge pad 3 of this embodiment can be seen from fig. 1 and fig. 19 to 21, and comprises a sponge pad body 301, a plurality of longitudinal cuts 302 formed on the sponge pad body 301 for the sponge pad body 301 to transversely stretch and deform, and the longitudinal cuts 302 have a strip-shaped cross section in the natural state of the sponge pad body 301.

In this embodiment, the sponge body 301 is a rectangular parallelepiped shape disposed along a sleeping berth frame described below, and the longitudinal direction refers to a direction along the length of the sponge pad body 301, and the transverse direction refers to a direction along the width of the sponge pad body 301. Through set up longitudinal incision 302 on sponge body 301 in this embodiment, and then when the sponge pad body, 301 by transverse stretching, the easy flexible deformation of sponge pad body 301 is difficult for being damaged, has improved life. The longitudinal slit 302 in this embodiment penetrates the sponge pad body 301 in the thickness direction of the sponge pad body 301, and in order to prevent the longitudinal slit 302 from being torn when the sponge pad body 301 is stretched, both ends of the longitudinal slit 302 in this embodiment are formed in the shape of a circular arc as shown in fig. 20.

In order to ensure uniform telescopic deformation of the sponge pad body 301, the longitudinal cuts 302 in this embodiment are rows transversely arranged along the sponge pad body 301, and the longitudinal cuts 302 in two adjacent rows are arranged in a staggered manner. Meanwhile, in the embodiment, along the longitudinal direction of the sponge pad body 301, the end cuts 303 are respectively formed at two opposite ends of the sponge pad body 1, and the end cuts 303 are a plurality of cuts arranged along the transverse direction of the sponge pad body 301. When the sponge pad 3 is installed in this embodiment, one long side edge of the sponge pad body 301 can be fixedly connected to the sponge pad connecting beam 2, and one side edge far away from the sponge pad connecting beam 2 is fixedly connected to the handle 21 or/and the longitudinal beam described below, and a flange 304 for covering the upper surface of the handle 21 described below can be formed on the side edge of the sponge pad body 301 far away from the sponge pad connecting beam 2.

As shown in fig. 1 to fig. 3 in combination with fig. 4, fig. 6 and fig. 13, the sleeper framework in this embodiment includes a sleeper frame formed by surrounding beam bodies 4 which are connected in sequence, and a plurality of connecting beams 6 clamped between the beam bodies 4 via shock absorbing members 5, and a plurality of shock absorbing portions 7 for supporting and fixedly connecting the foam-rubber cushion 3 are respectively clamped on each connecting beam 6. The sleeper frame is a rectangular parallelepiped structure surrounded by two sets of beams 4 of different lengths, and for the convenience of the following description, the longer beam 4 is referred to as a longitudinal beam, the shorter beam 4 is referred to as a transverse beam, and the connecting beam 6 is connected between the two longitudinal beams. The cross beams are fixedly connected with support plates 41 which span to the upper side of the adjacent connecting beam 6, and meanwhile, in order to facilitate pulling of the sleeper frame, as shown in fig. 17, a handle 21 is fixedly connected to one of the longitudinal beams.

The structure of the beam 4 in this embodiment can be as shown in fig. 9 and fig. 10, and includes a main body plate 401, and a connecting plate which forms a closed profile with the main body plate 401, and a positioning groove 8 and a clamping groove 9 are respectively formed at the connection position of the connecting plate and the main body plate 401, and the opening directions of the positioning groove 8 and the clamping groove 9 are opposite.

In the above structure, a flange 4011 is formed at one end of the main body plate 401 by bending 90 °, and the connecting plates specifically include a first connecting plate 402 parallel to and spaced apart from the main body plate 401, a second connecting plate 403 connected between the first connecting plate 402 and the main body plate 401, and a third connecting plate 404 connected between the first connecting plate 402 and the flange 4011, wherein the second connecting plate 403 and the third connecting plate 404 are respectively arranged at an obtuse angle to the first connecting plate 402, and are folded toward one side of the main body plate 401 to be respectively connected to the main body plate 101 and the flange 1011, and the length of the second connecting plate 403 is longer than that of the third connecting plate 404, the positioning groove 8 is formed at the joint between the third connecting plate 404 and the flange 4011, and the engaging groove 9 is formed at the joint between the second connecting plate 403 and the main body plate 401.

In order to facilitate the connection between two adjacent beams 4, as shown in fig. 2 and fig. 3 combined with fig. 5, fig. 7 and fig. 8, the sleeper frame in this embodiment further includes a corner connector that forms a corner connection between two adjacent beams 4, the corner connector includes two beam connecting plates 10 that are vertically and fixedly connected, an insertion hole 1001 that is adapted to the external profile of the beam 4 is formed on the beam connecting plate 10, and a clamping protrusion 11 is disposed on an inner wall of the insertion hole 1001 adjacent to a free end of the beam connecting plate 10, and a clamping hole 12 into which the clamping protrusion 11 is inserted is formed on the beam 4 corresponding to the clamping protrusion 11, and the clamping hole 12 is located on the main body plate 401. In order to facilitate the insertion of the beam 4 into the insertion hole 1001, in this embodiment, a weakening portion 14 formed by a slit 13 is provided on the inner wall of the insertion hole 1001 corresponding to the engaging hole 12, and the engaging protrusion 11 is formed on the weakening portion 14, so that the weakening portion 14 can be elastically deformed when the beam 4 is inserted into the insertion hole 1001. In a specific structure, the opening 13 in this embodiment is U-shaped, the area enclosed in the opening 13 is the weakening portion 14, when the beam 4 is inserted into the insertion hole 1001, the clamping protrusion 11 is extruded by the side wall of the beam 4, the clamping protrusion 11 drives the weakening portion 14 to elastically deform outwards, and when the insertion hole 1001 is opposite to the clamping protrusion 11, the weakening portion 14 recovers elastic deformation to clamp the clamping protrusion 11 into the clamping hole 12.

As shown in fig. 3 and fig. 5, the cross section of the tie beam 6 in this embodiment is mushroom-shaped, and specifically includes a tie beam main body 601 that is gradually widened from the bottom to the top, and a snap shoulder 602 that is formed on the top of the tie beam main body 601 and extends to both sides of the tie beam main body 601, and for light weight design, a lightening hole 603 is formed along the length direction of the tie beam 6 in this embodiment. In this embodiment, the shock absorbing portion 7 includes an arched shock absorbing main body plate 701, and two clamping arms 702 which are formed at the back of the shock absorbing main body plate 701, oppositely arranged, and elastically deformable, and the middle of the shock absorbing main body plate 701 has an arc surface adapted to the top of the connecting beam 6, the shock absorbing main body plate 701 is pressed against the top of the connecting beam 6 during clamping, and the two clamping arms 702 are clamped below the clamping shoulder 602, so that the shock absorbing portion 7 is fixedly connected to the connecting beam 6, and the shock absorbing portion can be prevented from sliding along the connecting beam 6 by friction between the clamping arms 702 and the connecting beam 6.

As shown in fig. 3 and 4 in conjunction with fig. 9 to 12, the damping member 5 of the present embodiment includes a sleeve 501 forming a plug-in connection with the end of the connecting beam 6, a latch arm 502 having a first latch connector 15 and a second latch connector 16, and a bending portion connected between the sleeve 501 and the latch arm 502 and being elastically deformable. In a specific structure, the latching arm 502 in this embodiment is of a C-like shape, and includes a third latching arm 5023, and a first latching arm 5021 and a second latching arm 5022 connected to two ends of the third latching arm 5023, respectively, where the first latching connector 15 is formed at a free end of the second latching arm 5022, and the second latching connector 16 is formed at a free end of the first latching arm 5021. In this embodiment, when the second card connector 16 is hooked in the positioning groove 8 in a natural state, the first card connector 15 abuts on the outer side surface of the second connecting plate 403, when the second card connector 16 is pressed to one side of the connecting plate, the first card connector 15 elastically deforms, so that the first card connector 15 deviates from the first card connector 15 and slides along the second connecting plate 403, when the first card connector 15 passes over the second connecting plate 403, the first card connector is clamped in the clamping groove 9, and the clamping arm 502 cannot slide along the beam 4 due to the friction force between the first card connector and the connecting plate.

The bending portion in this embodiment is a U-like shape, and is formed by connecting three connecting arms 503 end to end in sequence to form a bending shape, wherein the two connecting arms 503 at the end portion are respectively used for fixedly connecting with the sleeve 501 and the clamping arm 502. In order to improve the connection strength between the shock absorbing member and the clamping arm 502, a reinforcing rib 504 is further fixedly connected between the middle connecting arm 503 and the third clamping arm 5023 in this embodiment. In addition, in order to improve the connection strength, the bent portion is two in the present embodiment, and the two bent portions are disposed on both sides of the sleeve 501.

As shown in fig. 1 and fig. 15 and 16, in this embodiment, the connecting frame 1 is an L-shaped plate-shaped structure, and specifically includes a longer first connecting frame 101 and a shorter second connecting frame 102 fixedly connected to one end of the first connecting frame 101, in this embodiment, the guide rail assembly includes a first connecting plate 24 fixedly connected to the first connecting frame 101, and a second connecting plate 26 fastened to the first connecting plate 24 and slidable along the first connecting plate 24 via a sliding member 25, and the sleeper frame is fixedly connected to the second connecting plate 26, so as to slide along the connecting frame 1. In order to facilitate the connection between the sleeper framework and the second connecting plate 26, in this embodiment, the two ends of the second connecting plate 26 are respectively and fixedly connected with the third claws 27, and it is sufficient that the two third claws 27 are respectively and fixedly connected to the inner side surfaces of the two longitudinal beams, and the structure of the third claws 27 in this embodiment is the same as that of the clamping arms 502, which is not described herein again.

In this embodiment, slider 25 includes a first U-shaped bracket 2501 attached to first link 24 and a second U-shaped bracket 2502 attached to second link 26, wherein first U-shaped bracket 2501 and second U-shaped bracket 2502 snap fit and slide. In order to position the sliding between the first connecting plate 2501 and the second connecting plate 2502, in this embodiment, a positioning assembly is disposed between the first connecting plate 24 and the second connecting plate 26, as shown in fig. 17, the positioning assembly includes a pin mounting bracket 28 fixedly connected to a side portion of the second connecting plate 26, a pin 29 slidably disposed on the pin mounting bracket 28, and a pin hole 2401 formed on the first connecting plate 24, the pin hole 2401 is plural and spaced along a length direction of the first connecting plate 24, and a spring 30 for elastically pushing the pin 29 to push the pin 29 into the pin hole 2401 is disposed on the pin mounting bracket 28. In order to facilitate the insertion and removal of the pin 29 from the pin hole 2401, a slide unlocking unit for unlocking the insertion of the pin 29 into the pin hole 2401 is provided between the handle 21 and the pin 29 in this embodiment.

The sliding unlocking assembly in this embodiment includes a button 31 disposed on the handle 21, and a pull wire 32 disposed between the button 21 and the pin 24, wherein the button 31 slides relative to the handle 21 under the driving of an external force to pull the pin 24, so that the pin 24 is disengaged from the pin hole 2401.

As shown in fig. 1 and fig. 15 and 16, in this embodiment, the connecting frame 1 can be directly fixed in the vehicle body by bolts or welding, but in order to facilitate the sleeper frame to be turned and folded when not in use, so as to reduce the occupied space, in this embodiment, one end of the second connecting frame 102 is hinged to the vehicle body, and the air stay 17 is hinged between the first connecting frame 101 and the vehicle body. In order to facilitate the second connecting frame 102 to be hinged to the vehicle body, in this embodiment, the free end of the second connecting frame 102 is hinged to the supporting seat 18, and the supporting seat 18 is fixed to the vehicle body.

In this embodiment, a rotation limiting mechanism is further disposed between the second connecting frame 102 and the vehicle body, as shown in fig. 17, the rotation limiting mechanism includes a latch hook 19 fixedly connected to the vehicle body, and a latch lock having a latch tongue 20 and fixedly connected to the sleeping berth frame, the latch lock may adopt an existing structure, and when the sleeping berth frame is horizontal, the latch tongue 20 may be latched in the latch hook 19, so that rotation limiting of the sleeping berth frame is achieved. In order to drive the latch tongue 20 out of engagement with the latch hook 19 so that the sleeping berth frame can be rotated, a rotation unlocking assembly is provided between the handle 21 and the latch tongue 20 in the present embodiment. In the embodiment, the rotating unlocking component is provided with a first button 22 on the handle 21 and a first pull wire 23 connected between the first button 22 and the lock tongue 20, and under the driving of an external force, the first button 22 forms a pull on the lock tongue 20 due to the sliding relative to the handle 21, so that the lock tongue 20 is separated from the clamping with the lock hook 19.

In the above structure, the two connecting frames 1 are arranged side by side, the spongy cushion connecting beam 2 is transversely arranged between the two connecting frames 1, the two ends of the spongy cushion connecting beam are fixedly connected to the two second connecting frames 102 through bolt pairs respectively, and in order to support the spongy cushion 3, as shown in fig. 1 in combination with fig. 13 and 14, a plurality of supporting beams 34 are fixedly connected to the spongy cushion connecting beam 2 in the embodiment. Supporting beam 34 is located the top of sleeping berth skeleton in this embodiment to with 6 parallel arrangement of each tie-beam, and for a plurality of the setting of 2 length direction intervals of edge foam-rubber cushion tie-beam, foam-rubber cushion 3 is unsettled form when moving in order to prevent the sleeping berth frame, has linked firmly backplate 35 on supporting beam 34 in this embodiment, and this backplate 35 is adjacent to the setting of foam-rubber cushion tie-beam 2. For the convenience of being connected with a supporting beam 35 by the sponge cushion connecting beam 2, in this embodiment, the clamping groove 8 and the positioning groove 9 are formed on one side surface of the sponge cushion connecting beam 2 corresponding to the sleeping berth frame, the clamping jaw 36 is fixedly connected with the end part of the supporting beam 35, the supporting beam 35 is fixedly connected with the sponge cushion connecting beam 2 by clamping the clamping jaw 36 in the clamping groove 8 and the positioning groove 9, the structure of the clamping jaw 36 in this embodiment is the same as that of the clamping arm 502, and the description is omitted.

As shown in fig. 1 and fig. 18, the width-adjustable sleeper assembly for trucks further includes a skin 33 covering the foam-rubber cushion 3, one side of the skin 33 is fixedly connected to the foam-rubber cushion 3, and the other side of the skin 33 is wrapped on a reel 37 arranged in the foam-rubber cushion connecting beam 2 together with the supporting beam 35 after bypassing the foam-rubber cushion connecting beam 2. In order to facilitate the skin 33 to penetrate through the sponge cushion connection beam 2, the structure of the sponge cushion connection beam 2 in this embodiment may be as shown in fig. 14, which is formed with a strip-shaped slit 201 for a side surface of the sleeper frame, and the skin 33 is connected with the reel 37 via the strip-shaped slit 201.

In addition, in the present embodiment, relative to the handle 21, a sliding fastener capable of sliding along the supporting beam is disposed on the other longitudinal beam of the sleeper framework, and the sliding fastener includes a second claw 38 fastened to the longitudinal beam, and a sliding sleeve 39 fastened to the second claw 38, and the sliding sleeve 39 slides on the supporting beam 34, so as to cooperate with the above-mentioned guide rail assembly to realize the sliding of the sleeper framework. In addition, in order to prevent the occurrence of a gap between the sleeper frame and the sponge pad link beam 2 when sliding and to prevent the beauty from being affected, the decoration covers 40 are provided on both ends of the sponge pad link beam 2 in the present embodiment.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a sleeper assembly under truck of adjustable width which characterized in that: the vehicle body connecting device comprises a connecting frame arranged in a vehicle body, a sleeper framework arranged on the connecting frame in a sliding manner through a guide rail assembly, and a spongy cushion connecting beam fixedly connected to the connecting frame on one side of the sleeper framework; a telescopic and deformable sponge cushion is arranged on the sleeper framework, and one end of the sponge cushion is connected with the sponge cushion connecting beam; the sponge mat is characterized by further comprising a cover arranged on a skin on the sponge mat, a supporting beam fixedly connected with the sponge mat connecting beam to support the sponge mat, a reel device arranged in the supporting beam and used for pulling the skin, and the skin is wound on the reel device through the sponge mat connecting beam.

2. An adjustable width truck sleeper assembly as defined in claim 1 wherein: the sleeper framework comprises a sleeper frame and a plurality of connecting beams, wherein the sleeper frame is formed by sequentially connecting beam bodies and is clamped between the longitudinal beams through damping pieces, a plurality of damping parts for supporting the spongy cushions are respectively clamped on each connecting beam, a sliding clamping piece capable of sliding along the supporting beam is fixedly connected on one of the beam bodies, and a handle is arranged on the other beam body relative to the sliding clamping piece.

3. An adjustable width truck sleeper assembly as defined in claim 2 wherein: the guide rail assembly comprises a first connecting plate fixedly connected to the connecting frame and a second connecting plate buckled on the first connecting plate and capable of sliding along the first connecting plate through a sliding piece, and the sleeper framework is fixedly connected to the second connecting plate.

4. An adjustable width truck sleeper assembly as defined in claim 3 wherein: the sliding piece comprises a first U-shaped frame fixedly connected to the first connecting plate and a second U-shaped frame fixedly connected to the second connecting plate, and the first U-shaped frame and the second U-shaped frame are buckled and slide.

5. An adjustable width truck sleeper assembly as defined in claim 4 wherein: the sliding positioning assembly comprises a pin shaft mounting frame fixedly connected to the side portion of the first connecting plate, a pin shaft arranged on the pin shaft mounting frame in a sliding mode, and a pin shaft hole formed in the second connecting plate.

6. An adjustable width truck sleeper assembly as defined in claim 5 wherein: the sliding unlocking assembly comprises a button arranged on the handle and a pull wire arranged between the button and the pin shaft, and under the driving of external force, the button forms traction on the pin shaft due to sliding relative to the handle so as to enable the pin shaft to be separated from the insertion of the pin shaft hole.

7. An adjustable width truck sleeper assembly as defined in claim 1 wherein: one end of the connecting frame is hinged to the vehicle body, an air supporting rod is arranged between the connecting frame and the vehicle body, and a rotation limiting mechanism is arranged between the connecting frame and the vehicle body.

8. An adjustable width truck sleeper assembly as defined in claim 7 wherein: the rotation limiting mechanism comprises a lock hook fixedly connected to the vehicle body and a lock latch fixedly connected to the sleeping berth frame, the lock latch is provided with a lock tongue in clamping fit with the lock hook, and an unlocking assembly for unlocking the lock tongue in clamping fit with the lock hook is arranged between the sleeping berth frame and the vehicle body.

9. An adjustable width truck sleeper assembly as defined in claim 8 wherein: the unlocking assembly comprises a first button arranged on the handle and a first pull wire connected between the first button and the lock tongue, and the first button is driven by external force to pull the lock tongue due to sliding relative to the handle, so that the lock tongue is separated from the lock hook of the lock hook.

10. The adjustable width truck sleeper assembly of claim 1, wherein: the sponge cushion comprises a sponge cushion body, and the sponge cushion body has transverse telescopic deformation under the pulling of transverse force; the sponge pad comprises a sponge pad body and is characterized by further comprising a plurality of longitudinal cuts formed in the sponge pad body for the sponge pad body to transversely stretch and deform, and the cross section of each longitudinal cut is in a strip shape in a natural state of the sponge pad body.