Fence for a door ladder of a caravan and caravan

Abstract

A fence for a door ladder of a caravan, characterized in that it comprises the following: two first blocking bodies, the two first blocking bodies being arranged on the left and right sides of the door ladder of the caravan; a connecting frame arranged in front of the door ladder of the caravan, the connecting frame being located between the two first blocking bodies, the connecting frame having two connecting columns and a plurality of blocking tubes; wherein the two connecting columns are arranged in a spaced relationship along the left and right sides of the connecting frame, wherein each of the connecting columns is connected to a corresponding one of the first blocking bodies, wherein a plurality of connecting components are arranged on each of the connecting columns, wherein the plurality of connecting components are arranged in a spaced relationship in the height direction of the connecting column; wherein the number of blocking tubes is equal to the number of connecting components on the same connecting column, wherein a first end of the blocking tube is removably connected in the longitudinal direction to the connecting component on one of the connecting columns, wherein a second end of the blocking tube is removably connected in the longitudinal direction to the corresponding connecting component on another of the connecting columns.

Description

FIELD OF TECHNOLOGY

[0001] The present application relates to a fence, in particular a fence for a door ladder of a caravan and a caravan. BACKGROUND

[0002] In order to allow pets to move freely inside the caravan and prevent them from running outside, a caravan door ladder fence is usually installed during camping. This ensures that pets can move freely both inside the caravan and in the outdoor area formed by the fence and caravan, thus adding space for pets. However, the caravan door ladder fences available on the market are only suitable for a single height or shape of a caravan door ladder. This requires the provision of different types of caravan door ladder fences with different heights or shapes. This increases production costs and leads to high costs for caravan door ladder fences, which is not suitable for widespread use. CONTENT OF THE REGISTRATION

[0003] The embodiments of the present application provide a fence for a door ladder of a caravan and a caravan to solve the problems of the relevant art. The technical solutions are as follows: According to a first aspect, embodiments of the present application provide a fence for a door ladder of a caravan, comprising: two first blocking bodies, the two first blocking bodies being arranged on the left and right sides of the door ladder of the caravan; a connecting frame arranged in front of the door ladder of the caravan, the connecting frame being located between the two first blocking bodies, the connecting frame having two connecting columns and a plurality of blocking tubes; wherein the two connecting columns are arranged in a spaced relationship along the left and right sides of the connecting frame, wherein each of the connecting columns is connected to a corresponding one of the first blocking bodies, wherein a plurality of connecting components are arranged on each of the connecting columns, wherein the plurality of connecting components are arranged in a spaced relationship in the height direction of the connecting column; wherein the number of blocking tubes is equal to the number of connecting components on the same connecting column, wherein a first end of the blocking tube is removably connected in the longitudinal direction to the connecting component on one of the connecting columns, wherein a second end of the blocking tube is removably connected in the longitudinal direction to the corresponding connecting component on another of the connecting columns.

[0004] In one embodiment, the connecting component comprises a locking slot that is locked to the blocking tube.

[0005] In one embodiment, the locking slot comprises: a locking section that is locked to the blocking tube, an opening connected to the locking portion and located on the side of the connecting component, the opening being configured to allow the blocking tube to radially enter and exit the locking portion.

[0006] In one embodiment, the locking portion comprises a first portion and a second portion, the first portion and the second portion being arranged one after the other in the radial direction, the inner diameter of the first portion being larger than the outer diameter of the blocking tube, the second portion being located between the first portion and the opening, the inner diameter of the second portion gradually decreasing from one side closer to the first portion toward another side closer to the opening.

[0007] In one embodiment, a second blocking body is further provided on the connecting frame, which is located at the bottom of the connecting frame and below the connecting component, wherein a first end of the second blocking body is connected in the longitudinal direction to one of the connecting columns, wherein a second end of the second blocking body is connected in the longitudinal direction to another of the connecting columns, wherein the second blocking body serves to prevent pets from crawling out of the lower part of the connecting frame.

[0008] In one embodiment, the second blocking body comprises: two first cross members, the first cross member extending along the left and right direction of the connecting frame, the two first cross members being spaced apart in the height direction of the connecting frame; two first vertical beams, wherein the two first vertical beams are arranged spaced apart along the left and right direction of the second blocking body, wherein each of the first vertical beams is connected to a corresponding one of the connecting columns, and wherein the lower end of the first vertical beam is connected to the end of the underlying first cross beam, wherein the upper end of the first vertical beam is connected to the end of the upper first cross beam; and a plurality of first vertical blocking bars, the plurality of first vertical blocking bars being spaced apart along the left and right directions of the second blocking body, the first vertical blocking bar being located between the two first cross members and connecting the two first cross members.

[0009] In one embodiment, the connecting column is pivotally connected to the first blocking body so that the first blocking body is rotatable relative to the connecting frame.

[0010] In one embodiment, the fence for the door ladder of the caravan further comprises a plug-in pole which is intended to be detachably plugged onto the ground, wherein a first connecting sleeve is provided on the connecting column, wherein a central bore of the first connecting sleeve rotatably cooperates with the plug-in rod; wherein a second connecting sleeve is provided on the first blocking body, wherein the second connecting sleeve and the adjacent first connecting sleeve are arranged at a distance from one another in the height direction of the first blocking body, wherein a central bore of the second connecting sleeve rotatably cooperates with the plug rod.

[0011] In one embodiment, the first blocking body comprises: two second cross members, the second cross member extending along the left and right direction of the first blocking body, the two second cross members being spaced apart in the height direction of the first blocking body; two second vertical beams, wherein the two second vertical beams are arranged spaced apart along the left and right direction of the first blocking body, wherein the lower end of the second vertical beam is connected to the end of the underlying second cross beam, wherein the upper end of the second vertical beam is connected to the end of the upper second cross beam; and a plurality of second vertical blocking rods, the plurality of second vertical blocking rods being spaced apart along the left and right direction of the first blocking body, the second vertical blocking rod being located between the two second cross members and connecting the two second cross members; and a plurality of horizontal blocking bars, wherein the plurality of horizontal blocking bars are arranged spaced apart in the height direction of the first blocking body, wherein the horizontal blocking bar is located between the two second vertical supports and connects the two second vertical supports.

[0012] According to a second aspect, embodiments of the present application provide a caravan comprising a fence for a door ladder of a caravan as described above.

[0013] The technical solutions described above have at least the following advantages or beneficial effects: By providing a plurality of connecting components on the connecting column of the connecting frame and detachably connecting the blocking tubes and the connecting components, the caravan door ladder fence of the present application can be configured to install an appropriate number of blocking tubes according to the height or shape of the caravan door ladder, so that it can be suitable for caravan door ladders of different heights or different shapes, thereby achieving a wider range of applications and reducing production costs, thereby reducing the cost of the caravan door ladder fence, which promotes the popularization and application of the caravan door ladder fence.

[0014] By using the caravan door ladder fence described above, the caravan of the present application can also be suitable for caravan door ladders of different heights or different shapes, thereby achieving a wider range of applications and reducing production costs, thereby reducing the cost of the caravan door ladder fence, which promotes the popularization and application of the caravan door ladder fence.

[0015] The above brief description serves only to illustrate the description without limiting it in any way. In addition to the schematic aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention can be easily understood by reference to the accompanying figures and the following detailed description. FIGURE DESCRIPTION

[0016] In the figures, the same reference numerals designate the same or similar components or elements throughout the different figures, unless otherwise indicated. These figures are not necessarily drawn to scale. It should be understood that these figures illustrate only some disclosed embodiments according to the present invention and are not intended to limit the scope of the present invention. Fig. 1 shows a perspective schematic structural view of the fence for the door ladder of the caravan of the present application in the first state; Fig. 2 shows a perspective schematic structural diagram of the fence for the door ladder of the caravan of the present application in the second state; Fig. 3 shows a partially enlarged view at section A in Fig. 2; Fig. 4 shows a partially enlarged view at section B in Fig. 2; Fig. 5 shows a perspective schematic structural diagram of the connecting component of the present application in the first viewing angle and state; Fig. 6 shows a perspective schematic structural diagram of the connecting component of the present application in the second viewing angle and state. Reference symbol:

[0017] 1. first blocking body; 11. second connecting sleeve; 12. second cross member; 13. second vertical member; 14. second vertical blocking rod; 15. horizontal blocking rod; 2. connecting frame; 21. connecting column; 22. blocking tube; 23. connecting component; 231. locking slot; 2311. locking section; 23111. first section; 23112. second section; 2312. opening; 24. second blocking body; 241. first cross member; 242. first vertical member; 243. first vertical blocking rod; 25. first connecting sleeve; 3. plug rod. DETAILED EMBODIMENTS

[0018] Certain exemplary embodiments are described below only in a simplified manner. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present application. Therefore, the drawings and description should be considered as illustrative and not restrictive in nature.

[0019] See Fig. 1 to 6, a preferred embodiment of the present application shows a fence for a door ladder of a caravan, comprising: two first blocking bodies 1, wherein the two first blocking bodies 1 are arranged on the left and right side of the door ladder of the caravan; a connecting frame 2 arranged in front of the door ladder of the caravan, wherein in the case where the two first blocking bodies 1 are arranged on the left and right sides of the door ladder of the caravan, the connecting frame 2 and the two first blocking bodies 1 are arranged at the location of the caravan with the door ladder and outside the door ladder to surround a pet activity area, the connecting frame 2 being located between the two first blocking bodies 1, the connecting frame 2 having two connecting columns 21 and a plurality of blocking tubes 22; wherein the two connecting columns 21 are arranged spaced apart along the left and right sides of the connecting frame 2, wherein each of the connecting columns 21 is connected to a corresponding one of the first blocking bodies 1, wherein a plurality of connecting components 23 are arranged on each of the connecting columns 21, wherein the plurality of connecting components 23 are arranged spaced apart in the height direction of the connecting column 21; wherein the number of blocking tubes 22 is equal to the number of connecting components 23 on the same connecting column 21, wherein a first end of the blocking tube 22 is detachably connected in the longitudinal direction to the connecting component 23 on one of the connecting columns 21, wherein a second end of the blocking tube 22 is detachably connected in the longitudinal direction to the corresponding connecting component 23 on another of the connecting columns 21.

[0020] By providing a plurality of connecting components 23 on the connecting column 21 of the connecting frame 2 and detachably connecting the blocking tubes 22 and the connecting components 23, the caravan door ladder fence of the present application can be configured to install an appropriate number of blocking tubes 22 according to the height or shape of the caravan door ladder, so that it can be suitable for caravan door ladders of different heights or different shapes, thereby achieving a wider range of applications and reducing production costs, thereby reducing the cost of the caravan door ladder fence, which promotes the popularization and application of the caravan door ladder fence.

[0021] See Fig. 3 to 6, the connecting component 23 comprises, in one embodiment, a locking slot 231, wherein the locking slot 231 is locked to the blocking tube 22 such that the blocking tube 22 and the locking slot 231 cooperate to detachably attach the blocking tube 22 to the connecting component 23, which ensures high connection reliability and enables simplified assembly and disassembly without tools.

[0022] See Fig. 6, the locking slot 231 specifically comprises in one embodiment: a locking portion 2311, wherein the locking portion 2311 is locked to the blocking tube 22; an opening 2312, wherein the opening 2312 is connected to the locking portion 2311 and is located on the side of the connecting component 23, wherein the opening 2312 is configured to allow the blocking tube 22 to radially insert and remove into the locking portion 2311. By radially inserting and removing the blocking tube 22 along the locking slot 231, the blocking tube 22 can be installed and removed more easily and conveniently.

[0023] See Fig. 6, the locking portion 2311 specifically comprises, in one embodiment, a first portion 23111 and a second portion 23112, wherein the first portion 23111 and the second portion 23112 are arranged one after the other in the radial direction, wherein the inner diameter of the first portion 23111 is larger than the outer diameter of the blocking tube 22, wherein the second portion 23112 is located between the first portion 23111 and the opening 2312, wherein the inner diameter of the second portion 23112 gradually decreases from one side closer to the first portion 23111 towards another side closer to the opening 2312.In this way, when the end of the blocking tube 22 is disposed in the locking slot 231, the end of the blocking tube 22 can be restricted by the second portion 23112, thereby preventing the end of the blocking tube 22 from detaching from the locking slot 231 and better clamping the blocking tube 22, resulting in higher structural reliability. Since the inner diameter of the first portion 23111 is larger than the outer diameter of the blocking tube 22, a certain amount of space can be created for the end of the blocking tube 22, which facilitates the assembly and disassembly of the blocking tube 22 and thus contributes to greater ease of assembly and disassembly of the blocking tube 22.

[0024] In other embodiments, the connecting component 23 comprises a threaded hole, wherein a connecting hole is provided at the end of the blocking tube 22, wherein the threaded hole and the connecting hole are connected by a screw.

[0025] In other embodiments, the connecting component 23 comprises a female buckle, wherein a male buckle is provided at the end of the blocking tube 22, wherein the male buckle and the female buckle are engaged.

[0026] See Fig. 1 to 2, in one embodiment, a second blocking body 24 is further provided on the connecting frame 2. The second blocking body 24 is located at the bottom of the connecting frame 2 and below the connecting component 23. A first end of the second blocking body 24 is connected in the longitudinal direction to one of the connecting columns 21, and a second end of the second blocking body 24 is connected in the longitudinal direction to another of the connecting columns 21. The second blocking body 24 serves to prevent pets from crawling out of the lower part of the connecting frame 2. In this way, the two connecting columns 21 can be connected to each other by means of the second blocking body 24 to form an integral structure of the connecting frame 2, which has high strength and improves the stability of the connecting frame 2.At the same time, the second blocking body 24 can be used to block the larger gap at the bottom of the connecting frame 2 and prevent pets from crawling out of the bottom of the connecting frame 2, thereby further increasing the reliability of the structure.

[0027] See Fig. 1, the second blocking body 24 specifically comprises in one embodiment: two first cross members 241, the first cross member 241 extending along the left and right direction of the connecting frame 2, the two first cross members 241 being spaced apart in the height direction of the connecting frame 2; two first vertical beams 242, wherein the two first vertical beams 242 are arranged spaced apart along the left and right direction of the second blocking body 24, wherein each of the first vertical beams 242 is connected to a corresponding one of the connecting pillars 21, and wherein the lower end of the first vertical beam 242 is connected to the end of the underlying first cross beam 241, wherein the upper end of the first vertical beam 242 is connected to the end of the upper first cross beam 241 to form a frame structure with high structural stability with the first cross beam 241. a plurality of first vertical blocking bars 243, the plurality of first vertical blocking bars 243 being spaced apart along the left and right directions of the second blocking body 24, the first vertical blocking bar 243 being located between the two first cross beams 241 and connecting the two first cross beams 241. In this way, the second blocking body 24 forms a perforated structure with better strength, which is not easily deformed, provides a sufficient viewing area for the pet, and at the same time ensures good ventilation.

[0028] In other embodiments, the second blocking body 24 may be plate-shaped.

[0029] In one embodiment, the connecting column 21 is pivotally connected to the first blocking body 1, allowing the first blocking body 1 to rotate relative to the connecting frame 2. This allows the first blocking body 1 to be folded close to the connecting frame 2 or unfolded perpendicular to the connecting frame 2 or at an angle to facilitate the transport and storage of the fence for the caravan's door ladder. At the same time, it is also easy to mount the first blocking body 1 on either side of the caravan's door ladder.

[0030] See Fig. 1 to 2, the fence for the door ladder of the caravan in one embodiment further comprises a plug-in pole 3, which is intended for detachable attachment to the ground, wherein a first connecting sleeve 25 is provided on the connecting column 21, wherein a central bore of the first connecting sleeve 25 rotatably cooperates with the plug rod 3; wherein a second connecting sleeve 11 is provided on the first blocking body 1, wherein the second connecting sleeve 11 and the adjacent first connecting sleeve 25 are arranged at a distance in the height direction of the first blocking body 1, wherein a central bore of the second connecting sleeve 11 rotatably cooperates with the plug rod 3. Due to the rotatable cooperation between the central bore of the first connecting sleeve 25 and the central bore of the second connecting sleeve 11 with the plug rod 3, the connecting column 21 and the first blocking body 1 are articulated to one another, which ensures high connection reliability and a simple, practical structure.At the same time, by inserting the plug-in rod 3 into the ground, the fence for the door ladder of the caravan can be reliably set up on the ground, whereby the fence for the door ladder of the caravan can be reliably set up outside the door ladder of the caravan and thus the escape of pets can be effectively prevented.

[0031] In one embodiment, both the first connecting sleeve 25 and the second connecting sleeve 11 are two, wherein the two first connecting sleeves 25 are arranged at a distance in the height direction of the connecting column 21, and the two second connecting sleeves 11 are arranged at a distance in the height direction of the first blocking body 1. In this way, the stability of the connection between the connecting frame 2 and the first blocking body 1 can be improved, allowing the first blocking body 1 to rotate more smoothly.

[0032] In one embodiment, both the first connecting sleeve 25 and the second connecting sleeve 11 are one or three or more.

[0033] In one embodiment, the plug rod 3 is detachably inserted into the central bore of both the first connecting sleeve 25 and the second connecting sleeve 11, so that the plug rod 3 can be removed from the central bore of both the first connecting sleeve 25 and the second connecting sleeve 11, whereby the connecting frame 2 and the first blocking body 1 can be separated from each other, which facilitates the transport and storage of the fence for the door ladder of the caravan.

[0034] In one embodiment, second connecting sleeves 11 are provided on both sides of the first blocking body 1, wherein the central bore of the second connecting sleeve 11 on the side of the first blocking body 1 remote from the connecting frame 2 engages with another plug rod 3 in order to fix the first blocking body 1 on the side remote from the connecting frame 2 to the ground by the plug rod 3, thereby improving the installation stability of the fence for the door ladder of the caravan and achieving higher structural reliability.

[0035] In one embodiment, the lower end of the plug rod 3 has a guide whose outer diameter gradually tapers from top to bottom, the guide serving to insert the lower end of the plug rod 3 into the ground in order to facilitate the insertion of the plug rod 3.

[0036] See Fig.1 to 2, the first blocking body 1 comprises in one embodiment: two second cross members 12, wherein the second cross member 12 extends along the left and right direction of the first blocking body 1, wherein the two second cross members 12 are arranged spaced apart in the height direction of the first blocking body 1; two second vertical beams 13, the two second vertical beams 13 being spaced apart along the left and right direction of the first blocking body 1, the lower end of the second vertical beam 13 being connected to the end of the underlying second cross beam 12, and the upper end of the second vertical beam 13 being connected to the end of the upper second cross beam 12 to form a frame structure with high structural stability with the second cross beam 12; a plurality of second vertical blocking rods 14, wherein the plurality of second vertical blocking rods 14 are spaced apart along the left and right direction of the first blocking body 1, wherein the second vertical blocking rod 14 is located between the two second cross beams 12 and connects the two second cross beams 12; and a plurality of horizontal blocking bars 15, wherein the plurality of horizontal blocking bars 15 are spaced apart in the height direction of the first blocking body 1, wherein the horizontal blocking bar 15 is located between the two second vertical beams 13 and connects the two second vertical beams 13. In this way, the first blocking body 1 forms a perforated structure with better strength, which is not easily deformed, provides the pet with a sufficient viewing area, and at the same time ensures good ventilation.

[0037] In other embodiments, the first blocking body 1 may be plate-shaped.

[0038] In one embodiment, the first blocking body 1, the connecting frame 2 and the connecting rod 3 are made of a hard metal material so that the first blocking body 1, the connecting frame 2 and the connecting rod 3 have optimal structural strength, thereby improving the structural stability of the caravan door ladder fence and preventing deformation.

[0039] A preferred embodiment of the present application provides a caravan comprising a fence for a door ladder of a caravan as described above.

[0040] By using the caravan door ladder fence described above, the caravan of the present application can also be suitable for caravan door ladders of different heights or different shapes, thereby achieving a wider range of applications and reducing production costs, thereby reducing the cost of the caravan door ladder fence, which promotes the popularization and application of the caravan door ladder fence.

[0041] In the description, the explanation with reference to the terms such as "an embodiment", "some embodiments", "examples", "concrete examples" or "some examples" should be interpreted such that specific features, structures, materials or properties explained with reference to the embodiment or example are encompassed by at least one embodiment or example of the present invention. Furthermore, the described specific features, structures, materials or properties can be combined with one another in any suitable manner within the framework of any one or more embodiments or examples. In addition, the person skilled in the art can connect and combine various embodiments or examples described in the present description and features of different embodiments or examples with one another, as long as they do not conflict.

[0042] Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate relative importance or to imply the number of technical features specified. Therefore, the features defined as "first" and "second" may explicitly or implicitly encompass at least one of the features. In the description of the present application, the term "several" refers to two or more, unless explicitly stated otherwise.

[0043] The above merely describes detailed embodiments of the present invention, but the scope of the present invention is not limited thereto. Anyone familiar with the technical field can easily imagine modifications or substitutions within the technical scope disclosed in this invention that are intended to fall within the scope of the present invention. Therefore, the scope of the present invention is subject to the scope of the claims.

Claims

[1] A fence for a caravan door ladder, characterized by that it includes the following: two first blocking bodies, wherein the two first blocking bodies are arranged on the left and right sides of the caravan door ladder; a connecting frame arranged in front of the door ladder of the caravan, wherein the connecting frame is located between the two first blocking bodies, the connecting frame having two connecting columns and several blocking tubes; wherein the two connecting columns are arranged along the left and right sides of the connecting frame, each connecting column being connected to a corresponding first blocking body, with several connecting components arranged on each connecting column, the several connecting components being arranged in the vertical direction of the connecting column; wherein the number of blocking tubes is equal to the number of connecting components on the same connecting column, wherein a first end of the blocking tube is detachably connected in the longitudinal direction to the connecting component on one of the connecting columns, and wherein a second end of the blocking tube is detachably connected in the longitudinal direction to the corresponding connecting component on another of the connecting columns. [2] Fence for a door ladder of a caravan according to claim 1, characterized by that the connecting component includes a locking slot which is locked to the blocking tube. [3] Fence for a door ladder of a caravan according to claim 2, characterized by , that the locking slot includes: a locking section that is locked to the locking tube; an opening connected to the locking section and located on the side of the connecting component, wherein the opening is designed to allow the locking tube to move radially in and out of the locking section. [4] Fence for a door ladder of a caravan according to claim 3, characterized by , that the locking section comprises a first section and a second section, wherein the first section and the second section are arranged one after the other in the radial direction, wherein the inner diameter of the first section is larger than the outer diameter of the locking tube, wherein the second section is located between the first section and the opening, wherein the inner diameter of the second section gradually decreases from one side closer to the first section towards another side closer to the opening. [5] Fence for a door ladder of a caravan according to claim 1, characterized by, that a second blocking body is further provided on the connecting frame, which is located at the bottom of the connecting frame and below the connecting component, wherein a first end of the second blocking body is connected longitudinally to one of the connecting columns, wherein a second end of the second blocking body is connected longitudinally to another of the connecting columns, wherein the second blocking body serves to prevent pets from crawling out of the lower part of the connecting frame. [6] Fence for a door ladder of a caravan according to claim 5, characterized by , that the locking slot includes: two first crossbeams, wherein the first crossbeam extends along the left and right directions of the connecting frame, wherein the two first crossbeams are arranged in the vertical direction of the connecting frame; two first vertical beams, wherein the two first vertical beams are arranged along the left and right directions of the second blocking body, each of the first vertical beams being connected to a corresponding connecting column, and wherein the lower end of the first vertical beam is connected to the end of the underlying first crossbeam, and wherein the upper end of the first vertical beam is connected to the end of the upper first crossbeam; and several first vertical blocking bars, wherein the several first vertical blocking bars are arranged along the left and right directions of the second blocking body, wherein the first vertical blocking bar is located between the two first crossbeams and connects the two first crossbeams. [7] Fence for a door ladder of a caravan according to claim 1, characterized by, that the connecting column is articulatedly connected to the first blocking body, so that the first blocking body is rotatable relative to the connecting frame. [8] Fence for a door ladder of a caravan according to claim 7, characterized by , that the fence for the caravan's door ladder also includes a stake which is designed to be detachably attached to the ground, wherein a first connecting sleeve is provided on the connecting column, wherein a central bore of the first connecting sleeve rotatably interacts with the connecting rod; wherein a second connecting sleeve is provided on the first blocking body, wherein the second connecting sleeve and the adjacent first connecting sleeve are spaced apart in the vertical direction of the first blocking body, wherein a central bore of the second connecting sleeve rotatably interacts with the connecting rod. [9] Fence for a door ladder of a caravan according to claim 1, characterized by, that the first blocking body includes: two second crossbeams, wherein the second crossbeam extends along the left and right directions of the first blocking body, wherein the two second crossbeams are arranged in the vertical direction of the first blocking body; two second vertical beams, wherein the two second vertical beams are arranged along the left and right directions of the first blocking body, wherein the lower end of the second vertical beam is connected to the end of the underlying second crossbeam, wherein the upper end of the second vertical beam is connected to the end of the second crossbeam above it; and several second vertical locking bars, wherein the several second vertical locking bars are arranged along the left and right directions of the first locking body, wherein the second vertical locking bar is located between the two second crossbeams and connects the two second crossbeams; and several horizontal locking bars, wherein the several horizontal locking bars are arranged in the vertical direction of the first locking body, wherein the horizontal locking bar is located between the two second vertical beams and connects the two second vertical beams. [10] Caravans, characterized by , that it comprises a fence for the door ladder of the caravan according to one of claims 1 to 9.

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