Expandable motor home compartment

Abstract

The utility model relates to the technical field of motor homes, in particular to an expandable motor home compartment which comprises a bottom frame, a main compartment body arranged on the bottom frame, a movable compartment body movably connected with the main compartment body, a first telescopic mechanism and a second telescopic mechanism, the bottom frame is provided with a telescopic driving mechanism used for driving the second telescopic mechanism to stretch out and draw back. The movable compartment body is connected to the outer wall of the main compartment body in a sleeving mode, and the bottom of the movable compartment body is connected with the second telescopic mechanism. The movable carriage body can slide relative to the main carriage body under the matching of the telescopic driving mechanism and the second telescopic mechanism, so that the size of the internal space of the carriage is changed, and the movable carriage body is integrally sleeved on the outer wall of the main carriage body, so that the expanded space can be maximized.

Description

Technical Field

[0001] This utility model relates to the field of RV technology, specifically to an expandable RV cabin. Background Technology

[0002] A motorhome, also known as a "home on wheels," combines the functions of a "house" and a "vehicle," but its primary attribute is still that of a vehicle. It is a type of mobile vehicle equipped with the basic amenities necessary for living. A motorhome typically consists of a vehicle chassis assembly and a cabin mounted on the chassis assembly, which includes a water and electricity system, a bed, and a kitchen. Common motorhomes on the market include Class A, Class B, Class C, and off-road motorhomes. To meet the needs of users, motorhomes usually need to be equipped with multiple functional areas such as beds, toilets, kitchens, and seating areas. However, the interior space of a motorhome is not large. With many functional areas, the remaining interior space becomes very cramped. This results in extremely limited space for users to move around inside the motorhome, making it very inconvenient for larger users to even walk or turn around in the cabin. To increase the interior space of RVs, some modern RVs use side extension structures or rear extension structures. For example, Chinese Patent No. CN 114103782A discloses an RV extension mechanism that extends along the side of the vehicle. However, this type of extension structure only extends a small part of the side of the vehicle, and the extended space is limited. Utility Model Content

[0003] To address the aforementioned problems, this utility model provides an expandable RV cabin.

[0004] This utility model is achieved using the following solution:

[0005] An expandable RV cabin includes a bottom frame, a main cabin body disposed on the bottom frame, a movable cabin body movably connected to the main cabin body, a first telescopic mechanism disposed on the bottom frame, and a second telescopic mechanism. The bottom frame is provided with a telescopic drive mechanism for driving the second telescopic mechanism to extend and retract.

[0006] The movable compartment is sleeved on the outer wall of the main compartment, and the bottom of the movable compartment is connected to the second telescopic mechanism. The second telescopic mechanism is used to drive the movable compartment to move horizontally along the outer wall of the main compartment.

[0007] An extendable floor is hinged to one end of the main compartment near the movable compartment at the bottom.

[0008] The first telescopic mechanism includes a first fixed tube connected to the bottom frame, a first sliding guide assembly, and a first telescopic rod. The first sliding guide assembly is disposed at the end of the first fixed tube, and the first telescopic rod passes through the first sliding guide assembly and is inserted into the interior of the first fixed tube.

[0009] Furthermore, the second telescopic mechanism includes a second fixed tube connected to the bottom frame, a second sliding guide assembly, and a second telescopic rod. The second sliding guide assembly is disposed at the end of the second fixed tube, and the second telescopic rod passes through the second sliding guide assembly and is inserted into the interior of the second fixed tube. The second telescopic rod and the telescopic drive mechanism are connected in a transmission manner.

[0010] Furthermore, a rack is provided at the bottom of the second telescopic rod, and an opening is provided in the lower wall of the second fixed tube. The telescopic drive mechanism passes through the opening and is connected to the rack for transmission.

[0011] Furthermore, the telescopic drive mechanism includes a drive motor connected to the bottom frame, a transmission shaft connected to the output end of the drive motor, and a gear connected to the transmission shaft, the gear passing through the opening and connected to the rack.

[0012] Furthermore, a manual drive mechanism is provided at the tail of the bottom frame. The manual drive mechanism includes a drive bracket connected to the bottom frame, a gear set disposed on the drive bracket, and a handle disposed on one side of the drive bracket for driving the gear set. The handle is connected to the input gear of the gear set, and the output gear of the gear set is connected to the rack and pinion of the second telescopic rod.

[0013] Furthermore, a locking component is provided on the bottom frame corresponding to the position of the first telescopic mechanism. The locking component is located below the first telescopic rod. The locking component includes a locking bracket connected to the bottom frame and a locking pin connected to the locking bracket. The first telescopic rod is provided with a locking hole that matches the locking pin.

[0014] Furthermore, an external expansion mechanism is provided on the side of the main body away from the movable body. The external expansion mechanism includes an expansion platform hinged to the bottom frame, several legs provided at the bottom of the expansion platform, and a fence provided on the expansion platform.

[0015] Furthermore, a lifting module is provided at the rear of the bottom frame. The lifting module includes a lifting fixing frame connected to the rear of the bottom frame, a lifting frame movably connected to the lifting fixing frame, and a plurality of storage boxes disposed on the lifting frame. The lifting fixing frame is provided with a lifting drive component for driving the lifting frame to move.

[0016] Furthermore, the expandable RV cabin also includes a locking mechanism, which includes a locking rod disposed vertically on the outer wall of the main cabin on the side away from the movable cabin, a locking head disposed on the upper end of the locking rod, and a locking plate disposed on the top of the movable cabin, the locking plate being provided with a locking hole that matches the locking head.

[0017] Furthermore, a guide support assembly matching the first telescopic rod is provided on the side wall of the movable compartment at the position corresponding to the first telescopic mechanism. The guide support assembly includes a guide bracket connected to the bottom of the side wall of the movable compartment, and a first guide wheel, a second guide wheel, and a third guide wheel connected to the guide bracket of the guide support bracket. The first guide wheel and the second guide wheel are arranged vertically along their axes. The first telescopic rod passes between the first guide wheel and the second guide wheel, and the third guide wheel contacts the top surface of the first telescopic rod.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] The movable compartment of this invention can slide relative to the main compartment in conjunction with the telescopic drive mechanism and the second telescopic mechanism, thereby changing the size of the interior space. The movable compartment is integrally fitted onto the outer wall of the main compartment, maximizing the expanded space. The expandable floor can be laid flat within the expanded space area, eliminating any height difference inside the compartment and effectively utilizing the expanded space. The telescopic rod of the first telescopic mechanism can be pre-extended, serving as a guide and support during the expansion of the movable compartment, allowing for rapid movement and shortening the expansion time. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of an expandable RV cabin provided for an embodiment of the present utility model.

[0021] Figure 2 This is a schematic diagram showing the state of the concealed movable compartment in an embodiment of this utility model.

[0022] Figure 3 for Figure 2 An enlarged view of part A in the image.

[0023] Figure 4 This is a schematic diagram of the movable compartment in an embodiment of the present utility model.

[0024] Figure 5 This is a schematic diagram of the bottom frame portion of an embodiment of the present invention.

[0025] Figure 6 This is a schematic diagram of the first telescopic mechanism in an embodiment of the present invention.

[0026] Figure 7This is a schematic diagram of the second telescopic mechanism in an embodiment of the present invention.

[0027] Figure 8 This is a schematic diagram of the manual drive mechanism according to an embodiment of the present invention.

[0028] Figure 9 This is a schematic diagram of the stowed state in an embodiment of this utility model.

[0029] Figure 10 for Figure 9 Enlarged view of part B in the image.

[0030] The image includes:

[0031] Bottom frame 1, main body 2, extendable floor 21, movable body 3, guide support assembly 31, guide bracket 311, first guide wheel 312, second guide wheel 313, third guide wheel 314, first telescopic mechanism 4, first fixed tube 41, first sliding guide assembly 42, first telescopic rod 43, locking hole 431, locking assembly 44, locking bracket 441, locking pin 442, second telescopic mechanism 5, second fixed tube 51, second sliding guide assembly 52. Second telescopic rod 53, rack 54, telescopic drive mechanism 6, drive motor 61, transmission shaft 62, gear 63, manual drive mechanism 7, drive bracket 71, gear set 72, handle 73, external extension mechanism 8, extension platform 81, support leg 82, fence 83, lifting module 9, lifting fixing frame 91, lifting frame 92, storage box 93, lifting drive assembly 94, locking mechanism 10, locking rod 101, locking head 102, locking plate 103, locking hole 104. Detailed Implementation

[0032] To facilitate understanding of this utility model by those skilled in the art, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0033] Reference Figures 1 to 10 The present invention provides an expandable RV cabin, including a bottom frame 1, a main cabin 2 disposed on the bottom frame 1, a movable cabin 3 movably connected to the main cabin, a first telescopic mechanism 4 and a second telescopic mechanism 5 disposed on the bottom frame 1, and the bottom frame 1 is provided with a telescopic drive mechanism 6 for driving the second telescopic mechanism 5 to extend and retract.

[0034] The movable compartment 3 is sleeved on the outer wall of the main compartment. The bottom of the movable compartment 3 is connected to the second telescopic mechanism 5, which drives the movable compartment 3 to move horizontally along the outer wall of the main compartment. A pulley can be installed on the top of the main compartment 2, and a matching slide rail can be installed on the movable compartment 3 at the corresponding position of the pulley. The cooperation between the pulley and the slide rail ensures the smooth movement of the movable compartment 3. The telescopic drive mechanism 6 drives the second telescopic mechanism 5 to extend, thereby causing the movable compartment 3 to slide relative to the main compartment 2. Figure 1 Taking the perspective as an example, the lower right side is defined as the front side of the carriage, and the movable carriage 3 moves to the rear relative to the main carriage 2 to achieve expansion.

[0035] like Figure 2 As shown, an extension floor 21 is hinged to one end of the main body near the movable compartment 3. The extension floor 21 is initially placed vertically. After the extension compartment is fully extended, the extension floor 21 rotates downward until it is parallel to the horizontal plane to form the floor of the extension space. The first telescopic mechanism 4 and the second telescopic mechanism 5 can serve as supports for the extension floor 21.

[0036] like Figure 6 As shown, the first telescopic mechanism 4 includes a first fixed tube 41 connected to the bottom frame 1, a first sliding guide assembly 42, and a first telescopic rod 43. The sliding guide assembly is disposed at the end of the first fixed tube 41. The first telescopic rod 43 passes through the sliding guide assembly and is inserted into the interior of the first fixed tube 41. The first telescopic rod 43 and the movable compartment 3 are movably connected, allowing the first telescopic rod 43 to move while the movable compartment 3 is stationary. In this embodiment, the first telescopic rod 43 is generally square. The first sliding guide assembly 42 specifically includes a guide seat and four guide wheel sets disposed on the guide seat. The four guide wheel sets are arranged around the four sides of the first telescopic rod 43. In this embodiment, three first telescopic mechanisms 4 are provided.

[0037] like Figure 3 As shown, a locking assembly 44 is provided on the bottom frame 1 corresponding to the position of the first telescopic mechanism 4. The locking assembly 44 is located below the first telescopic rod 43. The locking assembly 44 includes a locking bracket 441 connected to the bottom frame 1 and a locking pin 442 connected to the locking bracket 441. The first telescopic rod 43 is provided with a locking hole 431 that matches the locking pin 442. After the locking pin 442 is inserted upward into the locking hole 431, the first telescopic rod 43 can be fixed in the current position. The structure of the locking assembly 44 is similar to a door bolt. The locking pin 442 can rotate and is limited by the preset limiting structure of the locking bracket 441 when it reaches a predetermined position.

[0038] The first telescopic rod 43 is provided with a handle at its end. During use, the first telescopic rod 43 can be pulled out in advance and then locked with the locking pin 442, providing support and guidance for the movable compartment 3. Since the first telescopic rod 43 provides support for the movable compartment 3, the telescopic drive mechanism 6 drives the second telescopic rod 53 to extend more quickly, shortening the extension time.

[0039] like Figure 7 As shown, the second telescopic mechanism 5 includes a second fixed tube 51 connected to the bottom frame 1, a second sliding guide assembly 52, and a second telescopic rod 53. The second sliding guide assembly 52 is disposed at the end of the second fixed tube 51, and the second telescopic rod 53 passes through the second sliding guide assembly 52 and is inserted into the interior of the second fixed tube 51. The second telescopic rod 53 is connected to the movable chamber 3. The second telescopic rod 53 is drively connected to the telescopic drive mechanism 6. In this embodiment, the second telescopic rod 53 is generally square. The second sliding guide assembly 52 specifically includes a guide seat and three guide wheel sets disposed on the guide seat. Two guide wheel sets correspond to the two side walls of the second telescopic rod 53, and the other guide wheel set corresponds to the bottom surface of the second telescopic rod 53. Guide grooves are provided on both side walls of the second telescopic rod 53. The guide grooves and guide wheel sets cooperate to further ensure the stability of the telescopic process. In this embodiment, two second telescopic mechanisms 5 are provided.

[0040] A rack 54 is provided at the bottom of the second telescopic rod 53, and an opening is provided in the lower wall of the second fixed tube 51. The telescopic drive mechanism 6 passes through the opening and is connected to the rack 54 for transmission. The second sliding guide assembly 52 is provided with a clearance groove that matches the rack 54 on the guide wheel set on the bottom surface of the second telescopic rod 53.

[0041] The telescopic drive mechanism 6 includes a drive motor 61 connected to the bottom frame 1, a transmission shaft 62 connected to the output end of the drive motor 61, and a gear 63 connected to the transmission shaft 62. The gear 63 passes through the opening and is connected to the rack 54. The number of gears 63 needs to correspond to the number of the second telescopic mechanism 5. The drive motor 61 drives all gears 63 to rotate through the transmission shaft 62, thereby driving the second telescopic rod 53 to perform telescopic movements.

[0042] A manual drive mechanism 7 is provided at the rear of the bottom frame 1, such as... Figure 8As shown, the manual drive mechanism 7 includes a drive bracket 71 connected to the bottom frame 1, a gear set 72 mounted on the drive bracket 71, and a handle 73 mounted on one side of the drive bracket 71 for driving the gear set 72. The handle 73 is connected to the input gear 63 of the gear set 72, and the output gear 63 of the gear set 72 is connected to the rack 54 of the second telescopic rod 53. Specifically, in this embodiment, the output gear 63 is connected to the drive shaft 62, gear 63, and rack 54 of the telescopic drive mechanism 6. This method can save space at the bottom frame 1. Of course, a separate transmission mechanism can also be set in specific implementations. The manual drive mechanism 7 can be manually extended by the user, and the user can stop it at any time in a suitable position. In addition, the manual drive mechanism 7 can also serve as an emergency replacement for the telescopic drive mechanism 6 when the RV's power is insufficient.

[0043] An external expansion mechanism 8 is provided on the side of the main compartment 2 away from the movable compartment 3. The external expansion mechanism 8 includes an expansion platform 81 hinged to the bottom frame 1, several support legs 82 at the bottom of the expansion platform 81, and a railing 83 on the expansion platform 81. Initially, the expansion platform 81 is parallel to the outer wall of the main compartment 2. When expansion is needed, the expansion platform 81 can be rotated downwards to a horizontal position. The support legs 82 at the bottom of the expansion platform 81 can rotate relative to the expansion platform 81 for easy folding. The support legs 82 can be designed as telescopic structures to adjust for uneven ground, ensuring the expansion platform 81 remains level. The railing 83 can also be designed as a foldable structure for storage. Additionally, a winch can be installed on the main compartment 2 to control the unfolding and folding of the expansion platform 81.

[0044] A lifting module 9 is provided at the rear of the bottom frame 1. The lifting module 9 includes a lifting fixing frame 91 connected to the rear of the bottom frame 1, a lifting frame 92 movably connected to the lifting fixing frame 91, and several storage boxes 93 disposed on the lifting frame 92. The lifting fixing frame 91 is provided with a lifting drive assembly 94 for driving the lifting frame 92 to move. The lifting drive assembly 94 can be a winch. To ensure stability, connecting pieces can be provided on the outer walls of the rear of the main body and the movable compartment 3. The upper part of the lifting fixing frame 91 can be connected to the connecting pieces. Specifically, the connecting piece between the lifting fixing frame 91 and the main body is fixedly connected, while the connecting piece between the lifting fixing frame 91 and the movable compartment 3 is slidably connected and fixed by a pin. The pin is pulled out when the movable compartment 3 expands and inserted when the movable compartment 3 retracts.

[0045] The expandable RV cabin also includes a locking mechanism 10, which includes a locking rod 101 vertically disposed on the outer wall of the main cabin 2 away from the movable cabin 3, a locking head 102 disposed on the upper end of the locking rod 101, and a locking plate 103 disposed on the top of the movable cabin 3. The locking plate 103 is provided with a locking hole 104 that matches the locking head 102. The outer wall of the main body 2 is provided with several connecting seats, each with a hole for connecting a locking rod 101. With the handle connected to the locking rod 101, the locking rod 101 can rotate and move up and down. The locking head 102 can pass through the locking hole 104 at a specific angle. After rotating the locking rod 101 to align the locking head 102 with the locking hole 104, the locking rod 101 can be moved upwards, allowing the locking head 102 to pass through the locking hole 104. Then, rotating the locking rod 101 again causes the locking head 102 to deviate from the locking hole, thus locking the locking plate 103 and the locking rod 101. At this point, the handle can be engaged with the limiting bracket pre-installed on the outer wall of the main body 2 to prevent the locking rod 101 from moving downwards. In this embodiment, three locking mechanisms 10 are provided, which can lock the movable body 3 and the main body when the movable body 3 is folded up, preventing the movable body 3 from shifting during the movement of the RV.

[0046] A guide support assembly 31, matching the first telescopic rod 43, is provided on the side wall of the movable compartment 3 at a position corresponding to the first telescopic mechanism 4. The guide support assembly 31 includes a guide bracket 311 connected to the bottom of the side wall of the movable compartment 3, and a first guide wheel 312, a second guide wheel 313, and a third guide wheel 314 connected to the guide bracket of the guide support bracket. The first guide wheel 312 and the second guide wheel 313 are arranged vertically along their axes. The first telescopic rod 43 passes through the first guide wheel 312 and the second guide wheel 313, and the third guide wheel 314 contacts the top surface of the first telescopic rod 43. Specifically, the guide bracket 311 is generally convex in shape, and the first telescopic rod 43 passes through the guide bracket 311, so that the first guide wheel 312, the second guide wheel 313, and the third guide wheel 314 surround the first telescopic rod 43. During the expansion process, after the first telescopic rod 43 is pulled out, the second telescopic mechanism 5 drives the movable compartment 3 to move. The cooperation between the guide support component 31 and the first telescopic rod 43 can both guide and support the movable compartment 3.

[0047] The movable compartment 3 of this invention can slide relative to the main compartment 2 in cooperation with the drive mechanism and the second telescopic mechanism 5, thereby changing the size of the interior space of the compartment. The movable compartment 3 is integrally fitted onto the outer wall of the main compartment 2, maximizing the expanded space. The expandable floor 21 can be laid flat in the expanded space area, eliminating any height difference inside the compartment and effectively utilizing the expanded space. The telescopic rod of the first telescopic mechanism 4 can be extended in advance, providing guidance and support during the expansion of the movable compartment 3, allowing the movable compartment 3 to move quickly and shortening the expansion time.

[0048] In the description of this utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0049] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0050] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0051] Although the description of this utility model has been given in conjunction with the specific embodiments described above, it is obvious to those skilled in the art that many substitutions, modifications, and variations can be made based on the above description. Therefore, all such substitutions, modifications, and variations are included within the scope of the appended claims.

Claims

1. An expandable RV cabin, characterized in that, It includes a bottom frame, a main body disposed on the bottom frame, a movable body movably connected to the main body, a first telescopic mechanism disposed on the bottom frame, and a second telescopic mechanism. The bottom frame is provided with a telescopic drive mechanism for driving the second telescopic mechanism to extend and retract. The movable compartment is sleeved on the outer wall of the main compartment, and the bottom of the movable compartment is connected to the second telescopic mechanism. The second telescopic mechanism is used to drive the movable compartment to move horizontally along the outer wall of the main compartment. An extendable floor is hinged to one end of the main compartment near the movable compartment at the bottom. The first telescopic mechanism includes a first fixed tube connected to the bottom frame, a first sliding guide assembly, and a first telescopic rod. The first sliding guide assembly is disposed at the end of the first fixed tube, and the first telescopic rod passes through the first sliding guide assembly and is inserted into the interior of the first fixed tube.

2. The expandable RV cabin according to claim 1, characterized in that, The second telescopic mechanism includes a second fixed tube connected to the bottom frame, a second sliding guide assembly, and a second telescopic rod. The second sliding guide assembly is disposed at the end of the second fixed tube, and the second telescopic rod passes through the second sliding guide assembly and is inserted into the interior of the second fixed tube. The second telescopic rod and the telescopic drive mechanism are connected in a transmission manner.

3. The expandable RV cabin according to claim 2, characterized in that, The bottom of the second telescopic rod is provided with a rack, and the lower wall of the second fixed tube is provided with an opening. The telescopic drive mechanism passes through the opening and is connected to the rack for transmission.

4. The expandable RV cabin according to claim 3, characterized in that, The telescopic drive mechanism includes a drive motor connected to the bottom frame, a transmission shaft connected to the output end of the drive motor, and a gear connected to the transmission shaft. The gear passes through the opening and is connected to the rack.

5. The expandable RV cabin according to claim 3, characterized in that, The bottom frame is provided with a manual drive mechanism at its tail. The manual drive mechanism includes a drive bracket connected to the bottom frame, a gear set disposed on the drive bracket, and a handle disposed on one side of the drive bracket for driving the gear set. The handle is connected to the input gear of the gear set, and the output gear of the gear set is connected to the rack and pinion of the second telescopic rod.

6. The expandable RV cabin according to claim 1, characterized in that, A locking component is provided on the bottom frame corresponding to the position of the first telescopic mechanism. The locking component is located below the first telescopic rod. The locking component includes a locking bracket connected to the bottom frame and a locking pin connected to the locking bracket. The first telescopic rod is provided with a locking hole that matches the locking pin.

7. The expandable RV cabin according to claim 1, characterized in that, An external expansion mechanism is provided on the side of the main body away from the movable body. The external expansion mechanism includes an expansion platform hinged to the bottom frame, several legs provided at the bottom of the expansion platform, and a fence provided on the expansion platform.

8. The expandable RV cabin according to claim 1, characterized in that, A lifting module is provided at the rear of the bottom frame. The lifting module includes a lifting fixing frame connected to the rear of the bottom frame, a lifting frame movably connected to the lifting fixing frame, and several storage boxes provided on the lifting frame. The lifting fixing frame is provided with a lifting drive component for driving the lifting frame to move.

9. The expandable RV cabin according to claim 1, characterized in that, The expandable RV cabin also includes a locking mechanism, which includes a locking rod disposed vertically on the outer wall of the main cabin on the side away from the movable cabin, a locking head disposed on the upper end of the locking rod, and a locking plate disposed on the top of the movable cabin, the locking plate being provided with a locking hole that matches the locking head.

10. The expandable RV cabin according to claim 1, characterized in that, A guide support assembly matching the first telescopic rod is provided on the side wall of the movable compartment at the position corresponding to the first telescopic mechanism. The guide support assembly includes a guide bracket connected to the bottom of the side wall of the movable compartment, and a first guide wheel, a second guide wheel, and a third guide wheel connected to the guide bracket of the guide support bracket. The first guide wheel and the second guide wheel are arranged vertically along their axes. The first telescopic rod passes between the first guide wheel and the second guide wheel, and the third guide wheel contacts the top surface of the first telescopic rod.

Images