CN110641377A

CN110641377A - Can adjust roof bedstead of length wantonly

Info

Publication number: CN110641377A
Application number: CN201911055731.5A
Authority: CN
Inventors: 杜力; 杜美孜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-01-03

Abstract

The invention belongs to the technical field of automobile articles, and particularly relates to a roof bedstead with the length capable of being adjusted at will. The technical scheme is as follows: a roof bedstead with the length capable of being adjusted at will comprises two support sleeves, wherein telescopic rods are sleeved in the support sleeves, and the support sleeves are connected with connecting seats used for being connected to a roof; the support sleeve is provided with a strip hole, the strip hole is arranged along the direction of the support sleeve, the telescopic pipe is in threaded connection with a locking screw, a nut of the locking screw extends out of the strip hole, and the edge distance of the nut of the locking screw is larger than the width of the strip hole. The invention provides a roof bedstead capable of accurately adjusting the length at any position.

Description

Can adjust roof bedstead of length wantonly

Technical Field

The invention belongs to the technical field of automobile articles, and particularly relates to a roof bedstead with the length capable of being adjusted at will.

Background

With the development of society and the improvement of living standard, automobiles are gradually popularized to various families, and more automobiles are driven for camping or long-distance self-driving travel. The roof bed is used as an accessory added outside the vehicle and can be used for sleeping or resting when going out outdoors.

The utility model patent with the patent application number of CN201821824826.X discloses an expandable automobile luggage rack, which comprises a main bracket and a sub-bracket, wherein the sub-bracket is arranged inside the main bracket and is detachably connected with the main bracket; the main support comprises a plurality of main support rods, the main support rods are sequentially spliced to form the main support, the sub-support comprises a plurality of sub-support rods, the sub-support rods enter the main support rods in a sleeved mode and are slidably connected with the main support rods, the sub-support rods and the main support rods are fixed through limiting devices, after the main support is erected, the sub-support in the main support is pulled to a position required by a user through pulling out the sub-support in the main support, and then the sub-support is fixed through the limiting devices, so that the aim of expanding the main support is fulfilled; the roof rack behind the extension support can be used to place more article of nature, and article such as the special apron of secondly additional installation can be hypothesized roof tent, improve the leisure quality after driving.

However, the above-mentioned automobile luggage carrier has a complicated structure, and many regions of the main and sub-carriers are not main force-receiving parts. The more complex the structure of the car roof rack, the greater the weight, and the limited load-bearing capacity of the roof, there is a certain safety risk when placing it on the roof. When the structure of car luggage rack is more, the operation of dismantling and installing is also comparatively loaded down with trivial details.

The automobile luggage rack limits the sub-supporting rods through the limiting device, and the limiting device comprises clamping blocks arranged on the sub-supporting rods and through grooves arranged at the positions, close to the connecting positions of the sub-supporting rods, of the main supporting rods; the clamping block is matched with the corresponding through groove to realize clamping limitation. This type of locking can only be used to lock the sub-stick at a fixed position, and there is no way to lock the sub-stick at any position. In addition, in order to facilitate the sliding of the sub-supporting rod in the main supporting rod, the height of the clamping block cannot be too high, so as to avoid the clamping of the sub-supporting rod and the main supporting rod. Therefore, the clamping block is difficult to be accurately clamped into the clamping groove, and the sub-supporting rod is loosened relative to the main supporting rod.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a roof bedstead with the length capable of being accurately adjusted at any position.

The technical scheme adopted by the invention is as follows:

a roof bedstead with the length capable of being adjusted at will comprises two support sleeves, wherein telescopic rods are sleeved in the support sleeves, and the support sleeves are connected with connecting seats used for being connected to a roof; the support sleeve is provided with a strip hole, the strip hole is arranged along the direction of the support sleeve, the telescopic pipe is in threaded connection with a locking screw, a nut of the locking screw extends out of the strip hole, and the edge distance of the nut of the locking screw is larger than the width of the strip hole.

Preferably, the telescopic rod is sleeved with a sliding support mechanism for supporting the telescopic rod.

Preferably, the sliding support mechanism comprises a sliding sleeve, a connecting sheet is fixed on the sliding sleeve, a through hole is formed in the connecting sheet, a screw rod is sleeved in the through hole of the connecting sheet, nuts are connected to two sides of the screw rod in a threaded mode, and the bottom end of the screw rod is connected with a supporting seat through a spherical hinge.

Preferably, the connecting base is provided with a threaded hole for connecting to the roof by a bolt.

Preferably, the connecting seat includes the connecting sliding sleeve, and the connecting sliding sleeve cover is located on the support sleeve, has the connecting plate through bolted connection on the connecting sliding sleeve, and the screw hole sets up on the connecting plate.

Preferably, the connecting seat is a roof suction cup.

Preferably, the bed further comprises a bed board, a plurality of trepanning holes are formed in the bed board, supporting pieces are fixed on the supporting sleeves and the telescopic rod, nut columns are fixed on the supporting pieces, the nut columns penetrate through the trepanning holes of the bed frame, and the nut columns are connected with locking nuts in a threaded mode.

Preferably, the telescopic rods are sleeved on two sides of the supporting sleeve.

Preferably, a cross bar is connected between the two supporting sleeves or/and the two telescopic rods.

Preferably, the cross rod is internally sleeved with an edge frame.

The invention has the beneficial effects that:

1. the top bedstead only comprises the two supporting sleeves, and after the two supporting sleeves are connected to the top of the vehicle through the connecting seat, the two supporting sleeves and the two telescopic rods can be used for aligning the bed board and the tent, so that a stress-free part is omitted, and the structure is simplified. The invention has the advantages of reduced weight, and simple assembly and disassembly. When the length of the roof bedstead needs to be adjusted, the telescopic rod is pulled out to a proper position, the locking screw is screwed, and then the nut of the locking screw compresses the support sleeve, so that the telescopic pipe can be locked at any position of the support sleeve. The screwing degree of the locking screw is in direct proportion to the locking degree of the telescopic pipe and the supporting sleeve, so that the locking degree of the telescopic pipe and the supporting sleeve is conveniently controlled, and the connection reliability is improved. Locking screw and telescopic link threaded connection, then locking screw does not compress tightly and avoid at the telescopic link, the condition of deformation when avoiding the telescopic link to be compressed tightly.

2. The sliding support mechanism can support the telescopic rod. After pulling out the telescopic link, will slide supporting mechanism and slide to the suitable position of telescopic link, then the other end of sliding supporting mechanism can support on the roof, improves the stability of telescopic link, guarantees that the telescopic link pulls out the back whole roof bedstead and can reliably support bed board and tent, improves the security when using the roof bedstead.

3. After the sliding sleeve moves to a proper position, the two nuts are screwed in the same direction, the position of the connecting piece relative to the screw rod is changed, and the supporting seat touches the car roof. And the nut is continuously screwed, so that the supporting seat can be tightly pressed on the car roof, and the supporting seat does not rotate along with the screw rod, thereby avoiding the movement interference. By adjusting the extension length of the screw rod, the telescopic rod is reliably supported, and the stability of the invention is ensured.

4. The connecting seat is connected with the roof rod through a bolt at the connecting hole, so that the connection reliability is ensured. When the vehicle roof support only comprises two support sleeves, the two support sleeves can be reliably connected with the vehicle roof rod, and the stability after connection is ensured.

5. The connecting sliding sleeve can move on the supporting sleeve, and the connecting sliding sleeve can move to a position convenient to connect according to different vehicle types. And then the connecting plate is connected with the connecting sliding sleeve through a bolt, and the connecting sliding sleeve is pressed on the supporting sleeve, so that the situation that the supporting sleeve moves relative to the vehicle is avoided. The connecting plate can be fixedly connected with the roof rod through bolts, so that the fixing of the invention is facilitated.

6. When the roof does not have the roof bar, the connecting seat can be selected as a roof sucker. The car roof sucker has stronger suction force, but the support sleeve pipe obtains reliable connection. The car roof sucker can be a single-claw sucker, a double-claw sucker, a three-claw dish washing or other dish washing forms, and a proper sucker form can be selected according to the requirement. After the top sucker is connected with the supporting sleeve, the bed board and the tent can be reliably supported, and the stability of the top bed frame is ensured.

7. When the bed board is installed, the bed board is arranged between the supporting sleeves or the telescopic rods, the sleeve holes of the bed board are sleeved on the nut columns, and then the nut columns limit the bed board, so that the condition that the bed board moves randomly is avoided. The locking nut is in threaded connection with the nut column, so that the bed board can be locked by the locking nut, the situation that the bed board is separated from the nut column is avoided, and the reliable connection of the bed board is guaranteed.

8. The telescopic rods are sleeved on the two sides of the supporting sleeve, so that the extensible car is increased in length and is applicable to cars. During the use, can pull out the telescopic link of support sleeve pipe both sides the same length for whole roof bedstead atress is more even, the condition of buckling easily when avoiding unilateral telescopic link to stretch out too big length. At this time, the sliding support mechanism on the telescopic rod can be eliminated.

9. The cross bar can connect two supporting sleeves or telescopic rods, so that the stability of the invention is improved. During the in-service use, can only connect the horizontal pole between two telescopic links, improve the stability of two telescopic links. The cross rod can be connected between the two supporting sleeves, so that the stability of the two supporting sleeves is improved. When the cross rods are connected between the two supporting sleeves and between the two telescopic rods, the integral stability of the invention is higher, and the condition that the roof bed frame collapses or inclines under the action of larger pressure is avoided.

10. The side frames can be sleeved in the cross rods, so that the top bedstead can be expanded towards two sides, and the expanded area of the top bedstead is greatly increased. According to needs, after the telescopic rod and the side rod are respectively pulled out, the top bedstead is respectively transversely and longitudinally expanded, the top bedstead is guaranteed to have a large enough area, and a bed board and a tent are conveniently laid on the top bedstead.

The advantages of the invention are not limited to this description, but are described in more detail in the detailed description for better understanding.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the specific details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the detailed description that follows.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention after the extension pole is pulled out;

FIG. 3 is a schematic structural view of the present invention after the telescopic rod is folded;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

FIG. 5 is a schematic structural view of the sliding support mechanism;

FIG. 6 is a schematic structural view of the present invention when the connecting base includes the connecting sliding sleeve and the connecting plate;

FIG. 7 is a schematic view of the present invention in its configuration when attached to a roof suction cup;

fig. 8 is a schematic structural diagram of the invention when connecting bed boards;

fig. 9 is a front view of the bed plate and support sleeve;

FIG. 10 is a schematic structural view of the present invention when the telescopic rods are sleeved on both sides of the supporting sleeve;

FIG. 11 is a schematic view of the construction of the present invention with the slidable cross bar collapsed;

FIG. 12 is a schematic view of the construction of the present invention with the slidable cross bar pulled out of the cross bar;

FIG. 13 is a schematic view of the present invention with a fixed cross bar;

FIG. 14 is a schematic view of a first embodiment of the present invention with a cross bar and sideframe;

FIG. 15 is a second schematic illustration of the present invention with a cross bar and side frames;

FIG. 16 is a third schematic view of the present invention with a cross bar and sideframe;

fig. 17 is a schematic view showing a structure of the present invention when a tent is installed.

In the figure: 1-supporting a casing; 2, a telescopic rod; 3-a connecting seat; 4-a sliding support mechanism; 5-bed board; 6-support sheet; 7-a cross bar; 8-side frame; 11-a slot hole; 21-locking screws; 31-a connecting plate; 32-roof suction cup; 33-connecting the sliding sleeve; 41-a sliding sleeve; 42-connecting pieces; 43-screw rod; 44-a nut; 45-supporting seat; 51-trepanning; 61-nut posts; 62-locking nut.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

As shown in fig. 1 to 4, the roof frame of the present embodiment includes two support sleeves 1, a telescopic rod 2 is sleeved in each support sleeve 1, and a connecting seat 3 for connecting to the roof is connected to each support sleeve 1; the support sleeve 1 is provided with a strip hole 11, the strip hole 11 is arranged along the direction of the support sleeve 1, the telescopic pipe is in threaded connection with a locking screw 21, a nut of the locking screw 21 extends out of the strip hole 11, and the opposite side distance of the nut of the locking screw 21 is larger than the width of the strip hole 11. After the telescopic rod 2 is pulled out, the invention can form a plane space with the width of more than 1 meter and the length of more than 2 meters.

The top bedstead only comprises the two support sleeves 1, and after the two support sleeves 1 are connected to the top of the vehicle through the connecting seat 3, the two support sleeves 1 and the two telescopic rods 2 can be used for aligning the bed board 5 and the tent, so that a stress-free part is omitted, and the structure is simplified. The invention has the advantages of reduced weight, and simple assembly and disassembly. When the length of the roof bedstead needs to be adjusted, the telescopic rod 2 is pulled out to a proper position, the locking screw 21 is screwed, and then the nut of the locking screw 21 compresses the support sleeve 1, so that the telescopic pipe can be locked at any position of the support sleeve 1. The screwing degree of the locking screw 21 is in direct proportion to the locking degree of the telescopic pipe and the supporting sleeve 1, so that the locking degree of the telescopic pipe and the supporting sleeve 1 is conveniently controlled, and the connection reliability is improved. The locking screw 21 is in threaded connection with the telescopic rod 2, so that the locking screw 21 is not pressed on the telescopic rod 2 to avoid deformation of the telescopic rod 2 when pressed.

Further, as shown in fig. 5, a sliding support mechanism 4 for supporting the telescopic rod 2 is sleeved on the telescopic rod 2. The sliding support mechanism 4 can support the telescopic rod 2. After pulling out telescopic link 2, slide supporting mechanism 4 to the suitable position of telescopic link 2, then the other end of sliding supporting mechanism 4 can support on the roof, improves telescopic link 2's stability, guarantees that telescopic link 2 pulls out that whole roof bedstead can reliably support bedplate 5 and tent, improves the security when using the roof bedstead.

The sliding support mechanism 4 comprises a sliding sleeve 41, a connecting sheet 42 is fixed on the sliding sleeve 41, a through hole is formed in the connecting sheet 42, a screw 43 is sleeved in the through hole of the connecting sheet 42, nuts 44 are in threaded connection on two sides of the screw 43 located on the connecting sheet 42, and a support seat 45 is connected to the bottom end of the screw 43 through a spherical hinge.

When the sliding sleeve 41 is moved to a proper position, the position of the connecting piece 42 relative to the screw 43 is changed by screwing the two nuts 44 in the same direction, and the supporting seat 45 touches the roof. And the nut 44 is continuously screwed, so that the support seat 45 can be tightly pressed on the roof, and the support seat 45 does not rotate along with the screw 43, thereby avoiding movement interference. By adjusting the extension length of the screw 43, the telescopic rod 2 is reliably supported, and the stability of the invention is ensured.

Further, the connection holder 3 is provided with a screw hole for being connected to the roof by a bolt. The connecting seat 3 is connected with the roof rod through a bolt at the connecting hole, so that the connection reliability is ensured. When the automobile roof support only comprises two support sleeves 1, the two support sleeves 1 can be reliably connected with the roof rod, and the stability after connection is ensured.

The connecting seat 3 comprises a connecting sliding sleeve 33, the connecting sliding sleeve 33 is sleeved on the supporting sleeve 1, a connecting plate 31 is connected to the connecting sliding sleeve 33 through a bolt, and a threaded hole is formed in the connecting plate 31. The connecting sliding bush 33 can move on the supporting sleeve 1, and the connecting sliding bush 33 can move according to different vehicle types to facilitate connection. Then, the connecting plate 31 is connected with the connecting sliding sleeve 33 through a bolt, and the connecting sliding sleeve 33 is pressed on the supporting sleeve 1, so that the situation that the supporting sleeve 1 moves relative to the vehicle is avoided. The connecting plate 31 can be fixedly connected with the roof bar through bolts, so that the fixing of the invention is facilitated.

Further, as shown in fig. 8 and 9, the roof frame of this embodiment further includes a bed plate 5, the bed plate 5 is provided with a plurality of holes 51, the support sleeve 1 and the telescopic rod 2 are both fixed with a support sheet 6, the support sheet 6 is fixed with a nut 45, the nut 45 passes through the hole 51 of the bed frame, and the nut 45 is connected with a locking nut 62 by a thread. When the bed board 5 is installed, the bed board 5 is placed between the support sleeve 1 or the telescopic rod 2, the trepanning 51 of the bed board 5 is sleeved on the nut 45 column, and then the nut 45 column limits the bed board 5, so that the situation that the bed board 5 moves randomly is avoided. The locking nut 62 is in threaded connection with the nut 45, so that the locking nut 62 can lock the bed plate 5, the situation that the bed plate 5 is separated from the nut 45 is avoided, and the bed plate 5 is reliably connected.

The bed board 5 is a movable steel wire bed board 5 or a luggage rack screen board, the movable steel wire bed board 5 or the luggage rack screen board is lighter, the influence on the car body is smaller, and the car roof can be cleaned. The movable steel wire bed board 5 can adopt common layer rack net sheets. The fixing mode of the bed plate 5 and the bed plate 5 is not limited to the mode of connecting the bed plate 5 and the nut 45 column. The bed board 5 at the position of the skylight can be conveniently detached, so that people can go up and down through the skylight. The vehicle model without the skylight can use the vehicle-mounted telescopic stairs to go up and down.

Example 2

Further, as shown in fig. 7, the connecting base 3 is a roof suction cup 32. When the roof is without roof rails, the attachment base 3 may be selected as a roof suction cup 32. The roof suction cup 32 has a strong suction force, but the support sleeve 1 is reliably connected. The roof suction cup 32 may be a single-jaw suction cup, a double-jaw suction cup, a triple-jaw dish washer or other dish washer, and an appropriate suction cup form may be selected as required. After the roof sucker 32 is connected with the support sleeve 1, the bed board 5 and the tent can be reliably supported, and the stability of the roof bed frame is ensured.

Furthermore, as shown in fig. 10, the telescopic rod 2 is sleeved on both sides of the support sleeve 1. The telescopic rods 2 are sleeved on the two sides of the support sleeve 1, so that the expandable length of the car is increased, and the car is applicable to cars. During the use, can pull out the same length with the telescopic link 2 of support sleeve 1 both sides for whole roof bedstead atress is more even, the easy condition of buckling when avoiding unilateral telescopic link 2 to stretch out too big length. At this time, the sliding support mechanism 4 of the telescopic rod 2 can be eliminated.

As shown in fig. 11 to 13, a cross bar 7 is connected between the two support sleeves 1 or/and the two telescopic rods 2. The cross bar 7 can connect two support sleeves 1 or telescopic rods 2, so that the stability of the invention is improved. During the in-service use, can only connect horizontal pole 7 between two telescopic links 2, improve two telescopic link 2's stability. The cross rod 7 can also be connected between the two support sleeves 1, so that the stability of the two support sleeves 1 is improved. When the cross rods 7 are connected between the two support sleeves 1 and between the two telescopic rods 2, the integral stability of the invention is higher, and the condition that the roof bed frame collapses or inclines under larger pressure is avoided.

As shown in fig. 11 and 12, in the position of the skylight, a cross rod 7 with a sliding block is connected between two telescopic rods 2, so that the up-and-down supporting strength of the skylight is improved, and the skylight can be conveniently pulled out at one time.

As shown in fig. 13, a cross bar 7 is fixed between the ends of the two support sleeves 1 and between the ends of the two telescopic rods 2, so that the SUV vehicle can be more attractive when being mounted on a part of the SUV vehicle. Due to the connection of the cross rod 7, the drawing can be performed at one time, and the operation is more convenient. The cross rod 7 can be connected in other modes such as screws or welding and the like, and can be transversely expanded left and right, for example, the width of the cross rod is expanded to 1.8 m, and the length and the width of the cross rod can be freely adjusted.

As shown in fig. 14 to 16, the side frames 8 are sleeved in the cross bar 7. The side frames 8 can be sleeved in the cross rods 7, so that the top bedstead can be expanded towards two sides, and the expanded area of the top bedstead is greatly increased. According to needs, after the telescopic rod 2 and the side rods are respectively pulled out, the top bedstead is respectively transversely and longitudinally expanded, the top bedstead is guaranteed to have a large enough area, and a bed board 5 and a tent are conveniently laid on the top bedstead.

As shown in figure 17, the invention can be matched with an inflatable bed, and the inflatable bed can be built on a bed board 5 or directly built on a support sleeve 1 and a telescopic rod 2. The mattress adopts wire drawing space cloth or other high strength inflatable material, forms the cardboard bed, has sufficient intensity, can not sink to be equipped with the couple on the tent bracing piece after aerifing, can hang the interior account of tent, the post of inflating can take and fix the outer account of tent outward. The mattress and the tent can be formed in one step by inflation, so that convenience and rapidness are realized. The mattress can also be provided with holes to realize the up and down of the skylight. The inflatable rod is provided with a small hanging ring for fixing the inner tent and the outer tent, and can be permanently fixed together at ordinary times, and the width of the inflatable cushion can be 1.4 meters wide as the common tent, namely a double bed. The small rings are arranged at all positions of the inflating rod, and the small rings can be used for hanging and buckling an inner tent, hanging and buckling an outer tent and binding and fixing the mattress. The tent inner tent and the tent outer tent can be bonded with the air cushion and the air rod as a whole. Of course, the air cushion, the air rod and the tent are not limited to the form, and the tent can also be a cubic tent and the like; or a split type air cushion bed can be adopted, and then the tent is put on.

The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.

Claims

1. The utility model provides a but adjust length's roof bedstead wantonly which characterized in that: the automobile roof support device comprises two support sleeves (1), wherein telescopic rods (2) are sleeved in the support sleeves (1), and connecting seats (3) used for being connected to a roof are connected to the support sleeves (1); the support sleeve is characterized in that a strip hole (11) is formed in the support sleeve (1), the strip hole (11) is arranged along the direction of the support sleeve (1), a locking screw (21) is connected to the telescopic pipe in a threaded mode, a nut of the locking screw (21) extends out of the strip hole (11), and the nut opposite side distance of the locking screw (21) is larger than the width of the strip hole (11).

2. A convertible top frame as claimed in claim 1, wherein: the telescopic rod (2) is sleeved with a sliding support mechanism (4) for supporting the telescopic rod (2).

3. A convertible top frame as claimed in claim 2, wherein: the sliding support mechanism (4) comprises a sliding sleeve (41), a connecting sheet (42) is fixed on the sliding sleeve (41), a through hole is formed in the connecting sheet (42), a screw rod (43) is sleeved in the through hole of the connecting sheet (42), nuts (44) are in threaded connection with the two sides of the screw rod (43) located on the connecting sheet (42), and a supporting seat (45) is connected to the bottom end of the screw rod (43) through a spherical hinge.

4. A convertible top frame as claimed in claim 1, wherein: the connecting seat (3) is provided with a threaded hole for connecting to a vehicle roof through a bolt.

5. A convertible top frame as claimed in claim 4, wherein: the connecting seat comprises a connecting sliding sleeve, the connecting sliding sleeve is sleeved on the supporting sleeve, a connecting plate is connected to the connecting sliding sleeve through a bolt, and a threaded hole is formed in the connecting plate.

6. A convertible top frame as claimed in claim 1, wherein: the connecting seat (3) is a car roof sucker (32).

7. A convertible top frame as claimed in claim 1, wherein: the bed is characterized by further comprising a bed board (5), a plurality of trepanning holes (51) are formed in the bed board (5), supporting pieces (6) are fixed on the supporting sleeve (1) and the telescopic rod (2), nuts (45) are fixed on the supporting pieces (6), the nuts (45) penetrate through the trepanning holes (51) of the bed frame, and locking nuts (62) are connected to the nuts (45) in a threaded mode.

8. A convertible top frame as claimed in claim 1, wherein: the two sides of the supporting sleeve (1) are sleeved with the telescopic rods (2).

9. A convertible top frame as claimed in claim 1, wherein: a cross rod (7) is connected between the two supporting sleeves (1) or/and the two telescopic rods (2).

10. A convertible top frame as claimed in claim 9, wherein: the side frame (8) is sleeved in the cross rod (7).