CN210083073U

CN210083073U - Reversible and extendable upper sleeper escalator structure

Info

Publication number: CN210083073U
Application number: CN201920448575.8U
Authority: CN
Inventors: 张庭跃; 张国伟; 王岩岩
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-02-18
Anticipated expiration: 2029-04-04

Abstract

The utility model relates to an upper sleeping berth staircase structure capable of overturning and extending, in particular to the technical design of a commercial truck sleeping berth staircase assembly, which belongs to the technical field of car body interior decoration accessories, the upper sleeping berth staircase structure capable of overturning and extending comprises a staircase body assembly, a front end fixing seat and a clamping seat assembly, wherein the staircase body assembly is connected with the front end fixing seat through a rotating shaft assembly; the escalator body assembly is fixedly clamped with the clamping seat assembly, and the front end fixing seat and the clamping seat assembly are fixed with the sleeper frame through bolts. The utility model discloses a scheme can realize the application of a plurality of motorcycle types through changing the length of dead lever and telescopic link, reduces the research and development cycle, and the universalization degree is high; meanwhile, except for the front end fixing seat, the front end fixing seat is made of aluminum alloy and plastic materials, so that the weight is reduced, and the appearance quality is improved.

Description

Reversible and extendable upper sleeper escalator structure

Technical Field

The utility model relates to a last sleeping berth staircase structure that can overturn and extend, in particular to technical design of commercial truck sleeping berth staircase assembly belongs to the technical field of automobile body interior trim annex.

Background

The central sleeper staircase structure in the prior art is foldable, and part of the public staircase structure realizes extension and recovery through a pulley structure. For example, patent document (CN 206466030U) discloses a folding type truck sleeper staircase, which includes a first base fixedly arranged on the bottom surface of a sleeper; the vertical rod is pivotally connected with the first base through a pivot, a sliding groove is formed in the vertical rod, the sliding groove extends along the length direction of the vertical rod, and a bending part is formed at the tail end of the sliding groove; the second base is fixedly arranged on the bottom surface of the sleeping berth; one end of the elastic device is pivotally connected with the second base through a pivot, and a sliding block matched with the sliding groove is formed at the other end of the elastic device; the pedal is arranged on the vertical rod. The utility model discloses a truck sleeping berth staircase montant can pivot to vertical position, can be through the convenient last sleeping berth of pedal, simultaneously, still has resilient means, through spout and montant cooperation.

Patent document (CN 206107122U) discloses a folding type staircase for passenger cars, which comprises a tool box and a staircase; the tool box is provided with a drawer buckle, a handrail and a first rotating pin; the drawer buckle is vertically contacted with the outer wall of the tool box; the four first rotating pins are respectively arranged at four top corners of the lower end of the tool box; the escalator is provided with a stay bar, a second rotating pin, a sliding connecting rod, a pulley, a connecting rod, a sliding chute, a limiting hole, a loop bar, a limiting pin, an anti-skid footing, a climbing rod and a rubber sleeve; the upper ends of the four supporting rods are connected to four top corners of the lower side of the tool box through first rotating pins; the drawer buckle of the utility model is used for pulling out the drawer box for storing tools; the handrails are convenient for workers to climb the escalator; the pulley moves left and right through the sliding chute, so that the stay bar connected with the second rotating pin is driven to rotate up and down, and the escalator can be folded conveniently; the loop bar is used for limiting the pulley to slide out of the chute, so that the escalator is firm in structure; the limiting pin is inserted into the limiting hole, so that the pulley can not slide leftwards when the escalator is used.

At present, most of domestic heavy trucks are not provided with a sleeper escalator, and the vehicle type provided with the sleeper escalator can not realize the extension function of the escalator, so that the convenience of using an upper sleeper is influenced.

Disclosure of Invention

The utility model aims to overcome the not enough of existence among the prior art, provide a last sleeping berth staircase structure that can overturn and extend, through the length that changes dead lever and telescopic link, can realize the application of a plurality of motorcycle types, reduce the research and development cycle, the universalization degree is high.

According to the technical scheme provided by the utility model, the upper sleeping berth staircase structure capable of being overturned and extended comprises a staircase body assembly, a front end fixing seat and a clamping seat assembly, wherein the staircase body assembly is connected with the front end fixing seat through a rotating shaft assembly; the escalator body assembly is fixedly clamped with the clamping seat assembly, and the front end fixing seat and the clamping seat assembly are fixed with the sleeper frame through bolts.

As a further improvement of the present invention, the escalator body assembly comprises a left side connecting piece, a right side connecting piece, a limiting shaft, a locking structure, a fixed rod, a telescopic rod, a limiting piece and a treading rod, wherein the telescopic rod is inserted into the fixed rod, the locking structure is located inside the fixed rod, and the treading rod is fixed with the telescopic rod through the limiting piece; the telescopic link cover is in the dead lever, and the dead lever is fixed through spacing axle with left side connecting piece and right side connecting piece.

As a further improvement of the utility model, a hole is arranged on the fixed rod.

As a further improvement of the utility model, the front end fixing seat is made of cast steel material.

As a further improvement, the clamping seat assembly is made of die-cast aluminum.

As a further improvement, the dead lever lateral part is equipped with the release button, can realize the extension of staircase and shorten after the unblock.

As a further improvement, the rotation axis assembly is formed by rotation axis and spring coupling, and through the rotation axis assembly between front end fixing base and the staircase body, can realize the reliable rotation of staircase body.

As a further improvement of the utility model, the recovery length of staircase body is 680mm, and extension length is 855 mm.

Compared with the prior art, the utility model has the advantages that:

1. rotation and expansion: the reliable rotation of the body can be realized through the rotating shaft between the front end fixing seat and the escalator body; the telescopic rod is sleeved in the fixed rod, and the length change of the escalator can be realized through the change of the telescopic rod, so that the use convenience of the upper sleeping berth is greatly improved;

2. the structure is reliable: the fixing parts of the sleeper frame and the fixing parts of the sleeper frame are castings (cast steel and die-cast aluminum), the strength is high, the fixing is reliable, the escalator body is of a frame structure, and the rigidity and the strength are good; the escalator body and the clamping seat are fixedly clamped, unlocking is realized through manual operation on the mechanical structure, and locking is reliable

3. The quality is light: except for the front end fixing seat, the front end fixing seat is made of aluminum alloy and plastic materials, the weight of the assembly is controlled to be 3-3.5 kg, the weight is reduced, and the appearance quality is improved;

4. the generalization degree is high: by changing the lengths of the fixed rod and the telescopic rod, the application of a plurality of vehicle types can be realized, the research and development period is reduced, and the generalization degree is high; except the front end fixing seat, the front end fixing seat is made of aluminum alloy and plastic materials, so that the weight is reduced, and the appearance quality is improved.

Drawings

Fig. 1 is a schematic view showing the structure of the reversible and extendable upper deck ladder of the present invention.

Fig. 2 is a cross-sectional view of the reversible and extendable upper deck ladder of the present invention.

Description of reference numerals: 1-a front end fixing seat, 2-a rotating shaft assembly, 3-a left side connecting piece, 4-a right side connecting piece, 5-a limiting shaft, 6-a locking structure, 7-a fixing rod, 8-a telescopic rod, 9-a limiting piece, 10-a stepping rod and 11-a clamping seat assembly.

Detailed Description

The following describes in detail a specific embodiment of the sleeper staircase structure of the present invention with reference to the accompanying drawings.

Referring to fig. 1, the reversible and extendable upper berth escalator structure comprises an escalator body assembly, a front end fixing seat 1 and a clamping seat assembly 11, wherein the escalator body assembly is connected with the front end fixing seat 1 through a rotating shaft assembly 2; the escalator body assembly is fixedly clamped with the clamping seat assembly 11, and the front end fixing seat 1 and the clamping seat assembly 11 are fixed with the sleeper frame through bolts.

The recovery length (central line) of staircase body is 680mm, and extension length is 855mm, and its length accessible changes telescopic link and fixed rod length and adjusts to adapt to different installation environment.

The escalator body mainly comprises a front end connecting piece (connected with a fixed seat), a fixed rod 7, a telescopic rod 8, a treading rod 10 and plastic decorating pieces, wherein the connecting piece is made of die-cast aluminum, and all rods are aluminum profiles; in addition, a locking structure 6 is arranged on the side of the fixed rod, so that the escalator can be extended and shortened after unlocking, and the use convenience of the upper sleeping berth is greatly improved.

The escalator body assembly comprises a left connecting piece 3, a right connecting piece 4, a limiting shaft 5, a locking structure 6, a fixed rod 7, an expansion link 8, a limiting piece 9 and a treading rod 10, wherein the expansion link 8 is spliced with the fixed rod 7, the locking structure 6 is positioned inside the fixed rod 7, and the treading rod 10 is fixed with the expansion link 8 through the limiting piece 9; the telescopic rod 8 is sleeved in the fixed rod 7, and the fixed rod 7 is fixed with the left connecting piece 3 and the right connecting piece 4 through the limiting shaft 5.

The fixing rod 7 is provided with a hole. The front end fixing seat 1 is made of cast steel materials. The clamping seat assembly 11 is made of die-cast aluminum. The total weight is controlled to be 3-3.5 kg, so that the weight is reduced and the appearance quality is improved.

The upper sleeping berth escalator structure capable of turning and extending is characterized in that the rotating shaft assembly 2 is formed by connecting a rotating shaft and a spring, and the reliable rotation of the escalator body can be realized through the rotating shaft assembly 2 between the front end fixing seat 1 and the escalator body.

The stepping rod 10 is driven to move up and down through the change of the telescopic rod 8 in the escalator body assembly.

Through the length that changes dead lever 7 and telescopic link 8, can realize the application of a plurality of motorcycle types, reduce the research and development cycle, the universalization degree is high.

Claims

1. The utility model provides a last sleeper staircase structure that can overturn and extend, characterized by: the escalator comprises an escalator body assembly, a front end fixing seat (1) and a clamping seat assembly (11), wherein the escalator body assembly is connected with the front end fixing seat (1) through a rotating shaft assembly (2); the escalator body assembly is fixedly clamped with the clamping seat assembly (11), and the front end fixing seat (1) and the clamping seat assembly (11) are fixed with the sleeper framework through bolts.

2. The reversible and elongated upper deck escalator structure of claim 1, further characterized by: the escalator body assembly comprises a left connecting piece (3), a right connecting piece (4), a limiting shaft (5), a locking structure (6), a fixing rod (7), a telescopic rod (8), a limiting piece (9) and a treading rod (10), wherein the telescopic rod (8) is spliced with the fixing rod (7), the locking structure (6) is positioned inside the fixing rod (7), and the treading rod (10) is fixed with the telescopic rod (8) through the limiting piece (9); the telescopic rod (8) is sleeved in the fixed rod (7), and the fixed rod (7) is fixed with the left connecting piece (3) and the right connecting piece (4) through the limiting shaft (5).

3. The reversible and extendable upper deck escalator structure of claim 2, wherein: the fixing rod (7) is provided with a hole.

4. The reversible and elongated upper deck escalator structure of claim 1, further characterized by: the front end fixing seat (1) is made of cast steel materials.

5. The reversible and elongated upper deck escalator structure of claim 1, further characterized by: the clamping seat assembly (11) is made of die-cast aluminum.

6. The reversible and extendable upper deck escalator structure of claim 2, wherein: the above-mentioned

An unlocking button is arranged on the side of the fixed rod (7), and the escalator can be extended and shortened after unlocking.

7. The reversible and elongated upper deck escalator structure of claim 1, further characterized by: the rotating shaft assembly (2) is formed by connecting a rotating shaft and a spring, and the reliable rotation of the escalator body can be realized through the rotating shaft assembly (2) between the front-end fixing seat (1) and the escalator body.

8. The reversible and elongated upper deck escalator structure of claim 1, further characterized by: the recovery length of staircase body is 680mm, and extension length is 855 mm.