Self-limiting turnover type boarding step ladder of van type refrigerator car

Abstract

The utility model discloses a self-limiting turnover boarding step ladder for a van type refrigerator car, and relates to a refrigerator car. Comprising a fixing frame and a pedal assembly. The pedal assembly comprises a connecting frame and a pedal frame which are detachably and fixedly connected; the connecting frame is movably arranged on the fixing frame through a sleeve; limiting grooves matched with the boarding limiting part and the storage limiting part are formed in the bottom of the connecting frame. When the step ladder is used, the pedal assembly is lifted, the spring is compressed, and the step ladder is rotated leftwards after leaving the storage limiting part, and when the pedal assembly is rotated into the boarding limiting part, the bottom of the connecting frame is clamped on the boarding limiting part, and a user is helped to smoothly enter the van vehicle through self weight and stability of the spring. According to the design of the step ladder, a narrow space is effectively utilized, the position of the ladder can be flexibly changed through rotation, and a vehicle user can enter a compartment from the back of the vehicle more conveniently through simple operation. The flexibility and adaptability of the folding ladder are improved, and various conditions can be avoided when a special refrigerator car is encountered, so that the use performance of the step ladder is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a refrigerated vehicle, especially a self-limiting and reversible boarding step ladder of a van type refrigerated vehicle. BACKGROUND

[0002] The boarding ladder at the rear part of the refrigerated vehicle is an important equipment for assisting safe getting on and off the vehicle compartment, and is usually divided into a fixed ladder and a folding ladder. The chassis rear tail of part of the vehicle models has a high ground clearance, and the vehicle user will be difficult to get on the vehicle due to the lack of a suitable boarding method. When the accessories are arranged closely in the tail part of the vehicle and the space is very limited, the fixed ladder requiring a large installation space cannot be applied to the assembly of the special vehicle model.

[0003] Due to the special connection mode of the front and rear vehicles of the center shaft vehicle model, the installation of the ordinary folding ladder will cause multiple interferences, and the fixed ladder position after the butt joint of the hydraulic tail plates of the two vehicles makes the vehicle user unable to enter the vehicle compartment. Therefore, it is an urgent technical problem to be solved by the present case to develop a folding boarding step ladder which can be folded and stored at the tail part of the refrigerated vehicle and is high in efficiency and convenient to use. SUMMARY

[0004] The utility model provides a folding, small space occupation, easy operation's van type refrigerated vehicle self -limiting and reversible boarding step ladder for above -mentioned problem.

[0005] The technical scheme of the utility model is:

[0006] The self-limiting and reversible boarding step ladder of the van type refrigerated vehicle comprises:

[0007] The fixed frame is detachably fixedly connected with the vehicle frame at the back, and is provided with a boarding limiting part and a storage limiting part below the front part;

[0008] The pedal assembly comprises a connecting frame and a pedal frame fixedly connected, and the side of the connecting frame is provided with a fixedly connected sleeve, the sleeve is movably arranged on the fixed frame, and the bottom of the connecting frame is provided with a limiting groove matched with the boarding limiting part and the storage limiting part.

[0009] Specifically, the fixed frame comprises:

[0010] The vertical large plate is detachably fixedly connected with the vehicle frame at the back;

[0011] The upper connecting seat is fixedly arranged at the front of the vertical large plate and is provided with a connecting hole one;

[0012] The lower connecting seat is fixedly arranged at the front of the vertical large plate and is below the upper connecting seat; the lower connecting seat is provided with a connecting hole two;

[0013] The top of the sleeve extends into the connecting hole one, and the bottom extends into the connecting hole two.

[0014] Specifically, a spring is arranged between the upper connecting seat and the connecting frame.

[0015] The spring is sleeved on the sleeve pipe.

[0016] Specifically, the boarding limiting part is a rectangular boarding square pipe.

[0017] Specifically, the storage limiting part is a rectangular storage square pipe.

[0018] Specifically, the connecting frame comprises an upper horizontal support, a vertical support and a lower horizontal support which are sequentially fixedly connected.

[0019] Specifically, the connecting frame is in a C-shaped structure.

[0020] Specifically, an intermediate support is vertically fixedly arranged between the upper horizontal support and the lower horizontal support.

[0021] Specifically, the pedal frame comprises an upper pedal and a lower pedal which are arranged in a vertical mode.

[0022] At least one pair of pedal support frames are vertically fixedly arranged between the upper pedal and the lower pedal.

[0023] Specifically, the sleeve pipe is located between the boarding limiting part and the storage limiting part.

[0024] The utility model discloses a fixing frame and pedal assembly, and the pedal assembly comprises a connecting frame and a pedal frame which are detachably fixedly connected, the connecting frame is movably arranged on the fixing frame through a sleeve pipe, and the bottom of the connecting frame is provided with a limiting groove which is matched with a boarding limiting part and a storage limiting part. When the step ladder is used, the pedal assembly is lifted, the spring is compressed, and after the pedal assembly is separated from the storage limiting part, the pedal assembly is rotated to the left, when the pedal assembly is turned into the boarding limiting part, the bottom of the connecting frame is clamped on the boarding limiting part, and the pedal assembly is stabilized through the weight and the spring, thereby helping the user to smoothly get into the compartment of the van. The design of the step ladder effectively utilizes the narrow space, and the climbing position can be flexibly changed through rotation. The simple operation makes the user of the vehicle more convenient to get into the compartment from the back of the vehicle. The flexibility and adaptability of the folding ladder are improved, and when the special refrigerated vehicle is encountered, various situations can be avoided to ensure the use performance of the step ladder. ACCURACY OF DRAWINGS

[0025] Figure 1 It is the three-dimensional structure schematic diagram of the rotating state of the utility model;

[0026] Figure 2 It is the three-dimensional structure schematic diagram of the boarding state;

[0027] Figure 3 It is the three-dimensional structure schematic diagram of the storage state;

[0028] 100 is a fixed frame, 101 is a vertical large plate, 102 is an upper connecting seat, 103 is a lower connecting seat, 110 is a boarding limiting part, 120 is a storage limiting part,

[0029] 200 is a pedal assembly, 210 is a connecting frame, 211 is an upper horizontal support, 212 is a vertical support, 213 is a lower horizontal support, 220 is a pedal frame, 230 is a sleeve,

[0030] 300 is a spring. DETAILED DESCRIPTION

[0031] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0033] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] The present application will be described below with reference to Figures 1-3 The present application is described;

[0035] The van refrigerated truck self-limiting reversible boarding step ladder comprises:

[0036] The fixed frame 100 is detachably fixedly connected to the rear of the vehicle frame, and the front lower part is provided with a boarding limiting part 110 and a storage limiting part 120;

[0037] The fixed frame 100 comprises:

[0038] The vertical large plate 101 is detachably fixedly connected to the rear of the vehicle frame;

[0039] The upper connecting seat 102 is fixedly installed at the front of the vertical plate 101 and is provided with a connecting hole;

[0040] The lower connecting seat 103 is fixedly installed at the front of the vertical plate 101 and located below the upper connecting seat 102; the lower connecting seat 103 is provided with a second connecting hole;

[0041] In this case, the boarding limiter 110 is a rectangular boarding tube. The storage limiter 120 is a rectangular storage tube.

[0042] The pedal assembly 200 includes a detachably fixedly connected connecting frame 210 and a pedal frame 220;

[0043] The connecting frame 210 has a C-shaped structure and includes an upper horizontal support 211, a vertical support 212, and a lower horizontal support 213 that are fixedly connected in sequence.

[0044] A vertically fixed intermediate support is provided between the upper horizontal support 211 and the lower horizontal support 213.

[0045] The connecting frame 210 has a fixed connecting sleeve 230 on its side, and the sleeve 230 is movably mounted on the fixed frame 100; the bottom of the connecting frame 210 has a limiting groove that is adapted to the boarding limiting part 110 and the storage limiting part 120.

[0046] The top of the sleeve 230 extends into the first connection hole, and the bottom extends into the second connection hole. The bottom of the sleeve 230 is located between the boarding limit part 110 and the storage limit part 120.

[0047] In this case, a spring 300 is provided between the connecting seat 102 and the connecting frame 210; the spring is sleeved on the sleeve 230.

[0048] The pedal holder 220 includes an upper pedal and a lower pedal arranged vertically.

[0049] At least one pair of vertically fixed pedal support frames are provided between the upper pedal and the lower pedal.

[0050] When using stairs, such as Figure 1 As shown, when the foot pedal assembly 200 is raised and the spring 300 is compressed, after moving away from the storage limit part 120, it rotates to the left. When the foot pedal assembly 200 rotates into the boarding limit part, the bottom of the connecting bracket is locked onto the boarding limit part 110. It is stabilized by its own weight and the spring 300, forming a stable structure. Figure 2 The status helps users smoothly log into the van.

[0051] When not in use, the pedal assembly 200 is lifted upward, turned over and folded to be stored above the storage limiting portion 120, and after being released, the bottom of the connecting frame is clamped on the storage limiting portion 120 and is stabilized by the weight and the spring 300, so that the ladder is securely folded and stored during the driving of the vehicle, forming Figure 3 a state.

[0052] For the disclosed content, the following points need to be explained:

[0053] (1) The disclosed embodiment of the present case only involves the structure involved in the disclosed embodiment, and other structures can be referred to the usual design.

[0054] (2) In the case of no conflict, the disclosed embodiments and the features in the embodiments can be combined to obtain new embodiments.

[0055] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A self-limiting, reversible loading step for a refrigerated van, characterized in that, The utility model relates to a detachable fixing frame for bicycle, which comprises a fixing frame (100) and a pedal assembly (200). The fixing frame (100) comprises a vertical big plate (101), an upper connecting seat (102) and a lower connecting seat (103). The vertical big plate (101) is detachably fixed to the back of the bicycle frame.

2. The self-limited, turnable loading stairway of the van refrigerated truck according to claim 1, characterized in that, The upper connecting seat (102) is fixed to the front of the vertical big plate (101) and is provided with a connecting hole I. The lower connecting seat (103) is fixed to the front of the vertical big plate (101) below the upper connecting seat (102) and is provided with a connecting hole II. The top of the sleeve pipe (230) extends into the connecting hole I, and the bottom extends into the connecting hole II. A spring (300) is arranged between the upper connecting seat (102) and the connecting frame (210). The spring is sleeved on the sleeve pipe (230).

3. The self-limited, turnable loading stairway of the van refrigerated truck according to claim 2, characterized in that, The getting-on limiting part (110) is a rectangular getting-on square pipe. The storage limiting part (120) is a rectangular storage square pipe.

4. The self-limited, turnable loading stairway for a refrigerated van trailer of claim 1, wherein, The connecting frame (210) comprises an upper horizontal support (211), a vertical support (212) and a lower horizontal support (213) which are sequentially fixed.

5. The self-limited, turnable dock-leveler for a refrigerated van trailer of claim 1 wherein, The connecting frame (210) has a C-shaped structure.

6. The self-limited, turnable dock-leveler for a van trailer as in claim 1, wherein, An intermediate support is vertically and fixedly arranged between the upper horizontal support (211) and the lower horizontal support (213).

7. The self-limited, turnable dock-leveler for a refrigerated van trailer of claim 6, wherein, The pedal frame (220) comprises an upper pedal and a lower pedal which are arranged in an up-down manner.

8. The self-limited, turnable dock-leveler for a refrigerated van trailer of claim 6, wherein, At least one pair of pedal support frames are vertically and fixedly arranged between the upper pedal and the lower pedal.

9. The self-limited, turnable dock-leveler for a refrigerated van trailer of claim 1 wherein, The sleeve pipe (230) is located between the getting-on limiting part (110) and the storage limiting part (120). ​ 10. The self-limited, turnable dock-leveler for a refrigerated van trailer of claim 1 wherein, ​

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