CN219096601U - Vehicle-mounted tent of automobile - Google Patents

Abstract

The utility model discloses an automobile-mounted tent which is arranged on a luggage rack rod at the top of an automobile and comprises a base, a tent rack rod assembly and a piece of tent cloth which is matched and fixed on the base and the tent rack rod assembly; the base comprises two parallel base outer fixing rods and two parallel base outer telescopic rods; at least two luggage rack connecting pieces which can enable the base to be fixed on the luggage rack rods and slide along the telescopic direction are arranged between the base and the luggage rack rods; the tent frame rod assembly comprises at least one U-shaped frame rod, wherein two free ends of the U-shaped frame rod are respectively hinged to two ends of the telescopic rod outside one base; the U-shaped hack lever comprises two side levers and a push rod which is in the same direction as the telescopic rod outside the base, and the push rod is a telescopic rod. The base can be stretched out and drawn back as required, and the U-shaped hack lever can be matched with the base to stretch out and draw back for adjusting the length, so that the comfort of the vehicle-mounted tent in use is met, and meanwhile, the vehicle-mounted tent is simple in structure and small in occupied space.

Description

car tent

technical field

The utility model relates to the field of automobile auxiliary equipment, in particular to an automobile vehicle-mounted tent.

Background technique

With the vigorous development of the automobile manufacturing industry and more and more people who like self-driving travel, car tents, as one of the convenient equipment for outdoor self-driving travel, have attracted more and more attention. The skeleton of the vehicle tent generally includes a base and tent poles. The base of the existing vehicle-mounted tent cannot be retracted, and the base cannot be adjusted according to actual use needs. If the base is too large, the car models that can be installed with this type of tent are restricted, and if the base is too small, it cannot adapt to people of different heights.

The utility model patent CN205976708U discloses a semi-automatic roof tent, which includes a base, a tent pole, a tarpaulin fitted on the tent pole and the base, and a driving mechanism; wherein the tent pole includes at least two U-shaped poles The two free ends of the two U-shaped struts are respectively pivotally connected to the two ends of one side of the base, and a driving mechanism is respectively provided on the two frames in the length direction of the base, which is a telescopic structure, and one end is pivotally connected to the frame of the base The other end is pivotally connected to the outermost U-shaped struts of the tent frame poles relative to the base, and each U-shaped strut is fixed together with the tarpaulin. However, the base of the tent cannot be retracted, and multiple driving mechanisms are needed to realize the function of unfolding and retracting the entire tent, so the structure is complicated. The tent base can be retracted, such as the invention patent application CN109184320A, which discloses a multifunctional automatic roof tent. The base of the tent includes a first bracket, a second bracket and a main steel frame. The first bracket and the second bracket pass through slide rails and The slider is installed on the crossbeam in the middle of the steel frame of the main body. When the space is not enough, the slider can be remotely controlled to slide the first bracket and the second bracket to both sides to realize the adjustment of the base area. However, the superimposed support on the steel frame of the main body of the device makes the base thicker, and the whole tent occupies a larger space and has a complicated structure.

To sum up, the existing vehicle-mounted tent has a complex structure, is inconvenient to unfold, and the base cannot be adjusted in size or takes up a large space.

Utility model content

The technical problem to be solved by the utility model is to provide a vehicle-mounted tent, the base of which can be adjusted in size, and the tent poles can also be adjusted along with the base.

In order to solve the above technical problems, the technical solution of the utility model is: a vehicle-mounted tent, which is installed on the luggage rack pole on the top of the car, including the base, the tent pole assembly and the tent pole assembly fixed on the base and the tent pole assembly The tarpaulin on the base; the base includes a rectangular outer frame, and the rectangular outer frame includes two parallel base outer fixed rods and two parallel base outer telescopic rods; At least two luggage rack connectors that can fix the base on the luggage rack rod and slide along the telescopic direction, the luggage rack connector is U-shaped, and it is fixed under the base across the luggage rack rod; the tent rack rod The assembly includes at least one U-shaped frame rod, and the two free ends of the U-shaped frame rod are respectively hinged on the two ends of one of the outer telescopic rods of the base, and the tarpaulin is fixed to the U-shaped frame rod; the U-shaped frame rod The utility model comprises two side rods and a push rod in the same direction as the outer telescopic rod of the base, and the push rod is a telescopic rod.

Preferably, the telescopic rod outside the base and the ejector rod are each formed by nesting at least two cylinders with different thicknesses.

Preferably, an internal connecting rod is also provided in the rectangular outer frame, and the internal connecting rod includes a plurality of inner fixing rods of the base and telescopic rods inside the base, the inner fixing rods of the base are parallel to the outer fixing rods of the base, and the inner telescopic rods of the base It is parallel to the outer telescopic rod of the base and arranged between two adjacent inner fixed rods of the base; the inner telescopic rod of the base is formed by nesting at least two cylinders with different thicknesses, and the inner telescopic rod of the base One end of the thicker cylinder and the corresponding position of the fixed rod in the base connected thereto are provided with openings for the thinner cylinder to pass through.

Preferably, the luggage rack rods include two horizontal bars arranged in parallel and two vertical bars arranged between the two horizontal bars; there are four luggage rack connecting parts, and each of them straddles the two vertical bars symmetrically. The rod is fixed under the fixed rod in the base.

Preferably, there are three U-shaped rods, which are the third U-shaped rod, the second U-shaped rod and the first U-shaped rod from the base up, and the two free ends of each U-shaped rod All are respectively hinged on the two ends of the same base outer telescopic rod, and a linkage mechanism is arranged between the three U-shaped frame rods.

Preferably, the linkage mechanism includes a first link that links the first and second U-shaped bars and a second link that links the second and third U-shaped bars; the first U-shaped bar and the third U-shaped bar A fixed sleeve is fixed on the side bar of the type frame bar, and a movable sleeve is set on the side bar of the second U-shaped frame bar, and the first connecting rod and the second connecting rod are connected between the fixed sleeve and the movable sleeve .

Preferably, a driving mechanism is also provided, and the driving mechanism includes a transmission rod, a motor and a reducer; the two free ends of the U-shaped frame rod are hinged to the base through a spline shaft, and the two ends of the transmission rod are connected to the spline The key shaft, the transmission rod has a telescopic structure that can expand and contract with the base; the motor is connected to the reducer, and the reducer has a fixed structure that can be fixedly connected to the transmission rod.

Preferably, the reducer includes a reducer casing, a bull gear and a pinion, the bull gear and the pinion are placed in the reducer casing in an engaged manner, and the pinion is connected to the motor; the transmission rod is a square rod, so The large gear is provided with a square through hole fitted with the transmission rod, the square through hole and the square rod are the fixed structure, and the reducer housing also has a through hole for the transmission rod to rotate.

Preferably, a stair assembly is also provided, and the stair assembly includes a main body of the telescopic ladder, a fixed plate and a piston that can control the expansion of the main body of the telescopic ladder; the fixed plate is fixed on the base, and the piston is installed on the fixed plate, The piston is connected to the main body of the telescopic ladder; the main body of the telescopic ladder includes a stair board and a side frame, the stair board is installed between the side frames, and the side frame includes several cross-linked connecting rods.

Preferably, a sunshade rod assembly is also provided, and the sunshade rod assembly includes two sets of symmetrically arranged main rods and support rods; the main rod is provided with a groove for accommodating the support rods, and one end of the main rod is rotatably connected to the On the base, the other end is rotatably connected to the pole.

Adopting the technical solution of the utility model has at least the following beneficial effects:

1. The base of the utility model includes two parallel expansion rods outside the base, which can be appropriately expanded and contracted according to the needs. The base can be fixed on the luggage rack rod and slide along the telescopic direction by setting the luggage rack connector; the tent rack rod adopts U shape. Frame rod, two free ends of this U-shaped frame rod are respectively hinged on the two ends of one of the outer telescopic rods of the base, and the ejector rod of the U-shaped frame rod is also a telescopic rod, which can cooperate with the telescopic adjustment of the base. This not only satisfies the comfort when the car tent is used, but also because of its simple structure and small occupied space, it can be adapted to more people and models.

2. There can be three U-shaped frame rods in the utility model, and a linkage mechanism is set between the three, and a driving mechanism is provided. The function of telescopic base.

3. The stair assembly of the utility model controls the expansion and retraction of the main body of the telescopic ladder through the piston. The main body of the telescopic ladder includes several long horizontal bars, short vertical bars, and long vertical bars.

4. The sunshade rod assembly of the utility model can prevent the car from being damaged by the sun and rain while using the vehicle-mounted tent, and is convenient to unfold when used, and does not occupy a lot of space for storage.

Description of drawings

Fig. 1 is the general assembly schematic diagram of the present utility model;

Fig. 2 is a schematic diagram of the structure of the tent pole assembly of the utility model when it is deployed;

Fig. 3 is an enlarged view of part A of Fig. 2;

Fig. 4 is an enlarged view of part B of Fig. 2;

Fig. 5 is a sectional view of the luggage rack connector of the present invention;

Fig. 6 is a schematic diagram of the structure of the utility model when the base is stretched and the sunshade rod assembly is accommodated;

Fig. 7 is a schematic diagram of the structure of the utility model with the base contracted and the sunshade rod assembly expanded;

Fig. 8 is a side view of the staircase assembly of the present utility model;

Fig. 9 is a three-dimensional structure diagram of the staircase assembly of the present invention.

In the figure 1-luggage rack rod, 11-horizontal rod, 12-vertical rod, 2-base, 21-outer base fixing rod, 22-base outer telescopic rod, 23-base connector, 24-base inner fixing rod, 25-Telescopic rod inside the base, 26-Luggage rack connector, 27-Support plate, 28-Bottom plate, 3-Tent frame rod assembly, 31-First U-shaped frame rod, 311-Side rod, 312-Top rod, 313 -frame rod head, 32-the second U-shaped frame rod, 33-the third U-shaped frame rod, 34-connecting frame, 341-connecting plate, 342-hinge hole, 35-fixed sleeve, 36-movable sleeve, 37-first connecting rod, 38-second connecting rod, 4-drive mechanism, 41-transmission rod, 42-coupling, 43-motor, 44-reducer, 441-reducer housing, 442-big gear, 443-pinion, 45-spline shaft, 5-staircase component, 51-telescopic ladder body, 511-stairs board, 512-T frame, 513 inverted T frame, 514 "ten" frame, 515-long horizontal Rod, 516-short vertical rod, 517-long vertical rod, 52-fixed plate, 521-piston bracket, 53-piston, 6-sunshade rod assembly, 61-main rod, 62-branch rod.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

What the utility model discloses is a kind of vehicle-mounted tent, as shown in Figure 1, is the preferred embodiment of the utility model, and it is installed on the luggage rack frame bar 1 of automobile top, comprises base 2, tent frame bar assembly 3 and the tarpaulin (not shown in the figure) cooperating and fixed on the base 2 and the tent pole assembly 3 may further include a driving mechanism 4, a stair assembly 5 or a sunshade rod assembly 6. in:

The luggage rack rod 1 includes two horizontal bars 11 arranged in parallel, and may further include two vertical bars 12 arranged between the two horizontal bars 11 . The vertical bar 12 can be made integrally with the cross bar 11 , or made separately and then firmly connected with the cross bar 11 .

The base 2 includes a rectangular outer frame, which includes two parallel base outer fixed rods 21 and two parallel base outer telescopic rods 22, the base outer fixed rods 21 and the base outer telescopic rods 22 can be connected by the base Part 23 is connected. The outer telescopic rod 22 of the base is formed by nesting at least two columns of different thicknesses, and can be stretched within a limited range through clearance fit. Internal connecting rods can also be arranged in the rectangular outer frame to make the base 2 more stable and reliable. The internal connecting rods include a plurality of internal fixed rods 24 of the base and telescopic rods 25 in the base. The internal fixed rods 24 of the base are parallel to the external fixed rods 21 of the base, and the telescopic rods 25 of the base are parallel to the external telescopic rods 22 of the base. And it is arranged between two adjacent fixed rods 24 in the base. The telescopic rod 25 in the base is formed by nesting at least two cylinders with different thicknesses, which can be stretched within a limited range through clearance fit; One end of the thick cylinder and the corresponding position of the fixed rod 24 in the base connected thereto are provided with openings for the thinner cylinder to pass through. When the base 2 shrinks to a minimum, the thinner cylinder of the telescopic rod 25 in the base is embedded in the thicker cylinder and passes through the opening, as shown in FIG. 7 .

Between the base 2 and the luggage rack rod 1, there are at least two luggage rack connectors 26 that can fix the base 2 on the luggage rack rod 1 and slide along the stretching direction. The luggage rack connectors 26 are U-shaped, and Across the luggage rack rod 1 and fixed below the base 2. Both ends of the luggage rack connector 26 can be fixedly connected to the base outer fixing rod 21 or the base inner fixing rod 24 above the luggage rack rod 1 . Specifically, when the luggage rack bar 1 has only two cross bars 11, the luggage rack connector 26 is fixed below the inner fixing bar 24 of the base across the cross bar 11; the luggage rack bar 1 of this embodiment includes a cross bar 11 and the vertical bar 12, as shown in FIG. Specifically, both ends of the luggage rack connecting member 26 and the inner fixing rod 24 of the base can be fixed by bolts. Preferably, there are four luggage rack connectors 26, which cross two vertical rods 12 symmetrically in pairs and are fixed below the fixed rods 24 in the base, so that the base 2 can freely move along the vertical rods 12 when stretching. Sliding, also realizes fixing the tent on the roof of the car at the same time.

The tent pole assembly 3 includes at least one U-shaped pole, and the two free ends of the U-shaped pole are respectively hinged to the two ends of one of the telescopic poles 22 outside the base. The U-shaped frame rod includes two side rods 311 and a push rod 312 in the same direction as the outer telescopic rod 22 of the base. The push rod 312 is a telescopic rod, which is formed by nesting at least two columns of different thicknesses , the length can be adjusted with the expansion and contraction of the base through clearance fit. The side bars 311 of the U-shaped frame bar can be set to match the length of the outer fixing bar 21 of the base. Preferably, the U-shaped frame rods are provided with three, from the base 2 upwards are respectively the third U-shaped frame rod 33, the second U-shaped frame rod 32 and the first U-shaped frame rod 31, each U-shaped frame rod Both free ends are respectively hinged on the two ends of the same base outer telescopic rod 22, and a linkage mechanism is arranged between the three U-shaped frame rods. The linkage mechanism may include a first connecting rod 37 and a second connecting rod 38, the first connecting rod 37 links the first U-shaped frame bar 31 and the second U-shaped frame bar 32, and the second connecting rod 38 links The second U-shaped frame bar 32 and the third U-shaped frame bar 33 . Specifically, the side bars of the first U-shaped frame bar 31 and the third U-shaped frame bar 33 are fixed with fixed sleeves 35, which can be fixed with screws, and the side bars of the second U-shaped frame bar 32 are covered with movable sleeves. The first connecting rod 37 and the second connecting rod 38 are connected between the sleeve 36 , the fixed sleeve 35 and the movable sleeve 36 . For convenience, three U-shaped frame rods are hinged on the base 2, and a connecting frame 34 can also be respectively arranged at the two ends of the telescopic rod 22 outside the base, and the free ends of the U-shaped frame rods are hinged with the connecting frame 34. Of course, the U-shaped frame rod can also be directly hinged on the base 2, for example, hinged on the base connector 23 with a larger area. Further, a support plate 27 may be installed inside the base outer fixing rod 21 of the base 2 so as to fix the connecting frame 34 . The connecting frame 34 includes two oppositely arranged connecting plates 341, each connecting plate 341 is inclined from top to bottom and is provided with three pairs of hinged holes 342 at intervals, the first, second and third U-shaped frame rods The free ends of each are respectively hinged on the upper, middle and lower pairs of hinged holes 342 through the rotating shaft. A bearing is provided between the hinged hole 342 and the rotating shaft to facilitate the rotation of the U-shaped frame rod.

The tarpaulin is arranged in conjunction with the base 2 and the tent pole assembly 3, and is fixed on the rectangular outer frame of the base 2 and each U-shaped pole.

The drive mechanism 4 includes a transmission rod 41 , a motor 43 and a reducer 44 . The transmission rod 41 has a telescopic structure that can expand and contract with the base 2, and the telescopic structure can be a plurality of columns with different thicknesses nested with each other; the two ends of the transmission rod 41 are connected to the two ends of the first U-shaped frame rod 31. axis of rotation at the free end. In order to make the U-shaped frame rod and the transmission rod 41 rotate synchronously, the rotating shaft can be set as a spline shaft 45, and the two free ends of the first U-shaped frame rod 31 are fixed with a frame rod that matches the spline shaft 45 Head 313. The motor 43 is connected to a speed reducer 44, and the speed reducer 44 has a fixed structure capable of fixedly connecting the transmission rod 41 thereto. Further, the transmission rod 41 is a square rod; the reducer 44 includes a reducer casing 441 , a large gear 442 and a pinion 443 , and the large gear 442 and the small gear 443 are placed in the reducer casing 441 in a meshing manner. The small gear 443 is connected to the motor 43, and the large gear 442 is provided with a square through hole that fits the transmission rod 41, and the square through hole and the square rod are the fixing structures. Simultaneously, the reducer casing 441 also leaves a through hole for the transmission rod 41 to rotate, so that the reducer 44 can drive the transmission rod 41 to rotate. In order to facilitate the installation of the motor 43 and the reducer 44, a bottom plate 28 can be installed on the base 2 for fixing the motor 43 and the reducer 44, which can be fixed with screws. Further, the transmission rod 41 can be formed by connecting multiple short shafts through a coupling 42, and the coupling 42 can ensure that the short shafts rotate together and prevent the transmission rod 41 from being broken due to too much load.

The stair assembly 5 includes a telescopic ladder main body 51 , a fixing plate 52 and a piston 53 that can control the expansion of the telescopic ladder main body 51 . As shown in FIG. 8 , the telescopic ladder main body 51 includes a stair board 511 and side frames, the stair board 511 is installed between the side frames, and the side frames include several cross-linked connecting rods. Specifically, the side frames include two sets of symmetrically arranged T-shaped frames 512 , an inverted T-shaped frame 513 , and several sequentially connected “cross”-shaped frames 514 located between the T-shaped frames 512 and the inverted T-shaped frames 513 . The T-shaped frame 512 and the inverted T-frame 513 are each composed of a long horizontal bar 515 and a short vertical bar 516 whose end is rotatably connected in the middle. Rotate and connect with a long vertical bar 517 after crossing in the middle. One end of the long cross bar 515 of the T-shaped frame 512 and one end of the short vertical bar 516 are rotatably connected to the two ends of a "cross" frame 514; One end of one end is rotatably connected to two ends of a "cross"-shaped frame 514; the corresponding two ends of two adjacent "cross"-shaped frames 514 are rotatably connected. The stair board 511 is installed between two groups of symmetrically arranged long cross bars 515 . The fixing plate 52 is fixed on the base 2, and can be made of several H-shaped steels, which has high bending resistance. The fixed plate 52 is provided with a piston bracket 521 , the piston bracket 521 is installed with the piston 53 , and the piston 53 is connected to the short vertical rod 516 of the T-shaped frame 512 . When the piston 53 pushes the short vertical rod 516 of the T-shaped frame 512, the main body 51 of the telescopic ladder will unfold; It is also driven to pull up and recover in turn.

The sunshade rod assembly 6 includes two sets of symmetrically arranged main rods 61 and support rods 62 . The main rod 61 is provided with a groove that can accommodate the pole 62. One end of the main rod 61 is rotatably connected to the base 2, specifically, it can be connected to the outer fixing rod 21 of the base. The other end of the main rod 61 is rotatably connected to the base 2. Strut 62. When the sun visor rod assembly 6 is not in use, as shown in Figure 6, the pole 62 is accommodated in the groove of the main pole 61, and the pole 61 rotates to fit the base 2; when it is in use, as shown in Figure 7, the main pole 61 and pole 62 are deployed to be perpendicular to base outer fixing rod 21, and the sunshade cloth can be fixed on the sunshade rod assembly 6 and can realize the function of sunshade for the front cover or other parts of the car, and certainly also can be used as a rain shield to avoid damage car.

When the utility model is in use, the base 2 is stretched to a suitable length according to the needs. At this time, the thinner cylinders of the base outer telescopic rod 22 and the base inner telescopic rod 23 are pulled out from the nested thicker cylinder, and the luggage rack connector 26 It also slides on the vertical bar 12 of the luggage rack bar 1 to realize the elongation of the base 2; meanwhile, the top bar of the U-shaped rack bar is also stretched, and is adjusted to a suitable length matched with the base 2. When the base 2 contracts, the operation is similar to stretching, but the direction is opposite. Start the motor 43, the motor 43 transmits the power to the reducer 44, and then the reducer 44 transmits the power to the transmission rod 41, and the transmission rod 41 transmits the power to the spline shaft 45, and the spline shaft 45 drives the first U-shaped frame rod 31 Rotate, and then the first connecting rod 37 drives the second U-shaped frame rod 32, and then drives the second connecting rod 38 and the third U-shaped frame rod 33, which can realize the unfolding and closing of the tent. When using the telescopic ladder, use the piston 53 to push the telescopic ladder main body 51 away, and use the piston 53 to shrink and pull the telescopic ladder main body 51 back for storage when not in use. Use the sunshade rod assembly 6 when needing sunshade or shelter from the rain, the main rod 61 and the pole 62 are rotated and deployed, and then rotated and retracted on the base 2 limits when not in use.

The above are only preferred embodiments of the present utility model, and are not intended to limit the technical scope of the present utility model. Therefore, any changes or modifications made according to the claims of the utility model and the specification should belong to the utility model. Within the scope covered by the utility model patent.

Claims (10)

1. a vehicle-mounted tent for a car, which is installed on the luggage rack bar at the top of the car, is characterized in that: it comprises a base, a tent frame bar assembly and a tarpaulin that is fixed on the base and the tent frame bar assembly; the base includes A rectangular outer frame, the rectangular outer frame includes two parallel base outer fixed rods and two parallel base outer telescopic rods; The luggage rack connector on the rack rod and slides along the telescopic direction, the luggage rack connector is U-shaped, and it is fixed under the base across the luggage rack rod; the tent rack rod assembly includes at least one U-shaped rack rod, The two free ends of the U-shaped frame rods are respectively hinged on the two ends of one of the outer telescopic rods of the base, and the tarpaulin is fixed with the U-shaped frame rods; the U-shaped frame rods include two side rods and a The ejector rod in the same direction as the outer telescopic rod is a telescopic rod. 2 . The vehicle-mounted tent according to claim 1 , wherein the telescopic rod outside the base and the push rod are each formed by nesting at least two cylinders with different thicknesses. 3 . 3. A car-mounted tent according to claim 1, characterized in that: said rectangular outer frame is also provided with internal connecting rods, the internal connecting rods include a number of fixed rods in the base and telescopic rods in the base, the base The inner fixed rod is parallel to the outer fixed rod of the base, and the inner telescopic rod of the base is parallel to the outer telescopic rod of the base and is arranged between two adjacent inner fixed rods of the base; The cylinders are nested with each other, and one end of the thicker cylinder of the telescopic rod in the base and the corresponding position of the fixed rod in the base connected to it are provided with an opening for the thinner cylinder to pass through. 4. A car tent according to claim 3, characterized in that: the luggage rack bar comprises two parallel horizontal bars and two vertical bars arranged between the two horizontal bars; There are four frame connectors, which cross two vertical rods symmetrically in pairs and are fixed below the fixed rods in the base. 5. The vehicle-mounted tent according to claim 1, wherein there are three U-shaped rods, and from the base up are the third U-shaped rod, the second U-shaped rod and the first U-shaped rod. U-shaped frame rods, the two free ends of each U-shaped frame rod are respectively hinged on the two ends of the outer telescopic rod of the same base, and a linkage mechanism is arranged between the three U-shaped frame rods. 6. A vehicle-mounted tent according to claim 5, characterized in that: the linkage mechanism includes a first link that links the first and second U-shaped bars and a second link that links the second and third U-shaped bars. Two connecting rods; the side rods of the first U-shaped frame rod and the third U-shaped frame rod are fixed with a fixed sleeve, and the side rods of the second U-shaped frame rod are covered with movable sleeves, and the fixed sleeve and the movable The first connecting rod and the second connecting rod are connected between the sleeves. 7. A car-mounted tent according to claim 1, 5 or 6, characterized in that: a driving mechanism is also provided, and the driving mechanism includes a transmission rod, a motor and a reducer; two of the U-shaped frame rods The free end is hinged to the base through a spline shaft, and the two ends of the transmission rod are connected to the spline shaft. The transmission rod has a telescopic structure that can expand and contract with the base; the motor is connected to a reducer, and the reducer has A fixed structure to which the transmission rod is fixedly connected. 8. A car-mounted tent according to claim 7, characterized in that: the speed reducer includes a speed reducer housing, a large gear and a pinion, and the large gear and the pinion are placed in the speed reducer housing in a meshing manner. The pinion is connected to the motor; the transmission rod is a square rod, and the large gear is provided with a square through hole that fits the transmission rod. The square through hole and the square rod are the fixed structure, and the reducer The casing also leaves a through hole for allowing the transmission rod to rotate. 9. The vehicle-mounted tent according to claim 1, characterized in that: a stair assembly is also provided, and the stair assembly includes a telescopic ladder main body, a fixed plate and a piston that can control the retraction of the telescopic ladder main body; The plate is fixed on the base, and the piston is installed on the fixed plate, and the piston is connected to the main body of the telescopic ladder; the main body of the telescopic ladder includes a stair board and a side frame, and the stair board is installed between the side frames, and the side frame includes A number of cross-linked connecting rods. 10. The vehicle-mounted tent according to claim 1, characterized in that: a sunshade rod assembly is also provided, and the sunshade rod assembly includes two groups of symmetrically arranged main poles and poles; the main pole is provided with The slot can accommodate the pole, one end of the main pole is rotatably connected to the base, and the other end is rotatably connected to the pole.

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