Roof rack

Abstract

The utility model belongs to the field of roof racks, and particularly relates to a roof rack. The utility model provides a roof rack. The roof rack comprises a lower cross rod fixed on a roof; the middle cross rod can rotate around the front end of the lower cross rod and can slide relative to the end; the upper cross rod can rotate around the rear end, and the rear end of the upper cross rod can slide relative to the middle cross rod; the two ends of the first supporting rod are hinged to the middle cross rod and the upper cross rod respectively; the two ends of the second supporting rod are hinged to the lower cross rod and the middle cross rod respectively. According to the roof rack provided by the utility model, the upper cross rod can be horizontally moved down from the roof in a horizontal state only by pulling the upper cross rod forwards, and the upper cross rod can return to the roof in the horizontal state through reverse operation after luggage is loaded.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of roof luggage rack, specifically relates to a roof luggage rack. BACKGROUND

[0002] The existing roof luggage rack only simply fixes a frame on the roof, and it is very inconvenient to load or unload luggage by climbing to the roof. INNOVATION CONTENT

[0003] The roof luggage rack can effectively solve the problems in the background art.

[0004] The utility model provides a roof luggage rack, which comprises

[0005] A lower horizontal rod is fixed on the roof;

[0006] A middle horizontal rod can rotate around the front end of the lower horizontal rod and slide relative to the end;

[0007] An upper horizontal rod can rotate around the rear end and the rear end thereof can slide relative to the middle horizontal rod;

[0008] A first supporting rod is hinged at both ends to the middle horizontal rod and the upper horizontal rod; and

[0009] A second supporting rod is hinged at both ends to the lower horizontal rod and the middle horizontal rod.

[0010] As a further optimization of the utility model, the front end of the lower horizontal rod is provided with a first roller; the middle horizontal rod is provided with a rolling track corresponding to the first roller.

[0011] As a further optimization of the utility model, the middle horizontal rod is provided with a strip-shaped through hole, two first rolling grooves with a lateral lying U-shaped cross section and opposite openings are arranged on both sides of the through hole; the rear end of the upper horizontal rod is provided with a second roller corresponding to the two first rolling grooves.

[0012] As a further optimization of the utility model, a first sliding seat provided with a roller corresponding to the first rolling groove is further included; both ends of the first supporting rod are hinged to the upper horizontal rod and the first sliding seat.

[0013] As a further optimization of the utility model, the first supporting rod is replaced by a first connecting rod, a second connecting rod and a third connecting rod;

[0014] One end of the first connecting rod is hinged to the end head of the first sliding seat facing the front end of the middle horizontal rod, and the other end of the first connecting rod is hinged to one end of the second connecting rod; the other end of the second connecting rod is hinged to the upper horizontal rod; one end of the third connecting rod is hinged to the end head of the first sliding seat facing the rear end of the middle horizontal rod, and the other end of the third connecting rod is hinged to the middle part of the second connecting rod.

[0015] As further optimization of the utility model, it further comprises a pull belt or a pull rope which is connected with the second sliding seat after passing the rear end of the middle horizontal rod.

[0016] As further optimization of the utility model, it further comprises a second sliding seat which can slide on the lower horizontal rod but not be separated from the lower horizontal rod, and the two ends of the second supporting rod are respectively hinged with the middle horizontal rod and the second sliding seat.

[0017] As further optimization of the utility model, it further comprises a winding mechanism which is connected with one end of the pull belt, and the winding mechanism is arranged at the front end of the upper horizontal rod; the other end of the pull belt passes the rear end of the upper horizontal rod and the rear end of the middle horizontal rod in sequence and is connected with the second sliding seat.

[0018] As further optimization of the utility model, it further comprises

[0019] The conveying belt or the chain is rotatable and is sleeved at the two ends of the middle horizontal rod;

[0020] The first belt clamp is hinged with the rear end of the upper horizontal rod, and the upper horizontal rod is connected with the conveying belt or the chain through the first belt clamp; and

[0021] The second belt clamp is hinged with the front end of the lower horizontal rod, and the lower horizontal rod is connected with the conveying belt or the chain through the second belt clamp.

[0022] As further optimization of the utility model, the upper horizontal rod, the middle horizontal rod, the lower horizontal rod, the first supporting rod and the second supporting rod are provided with two groups and are symmetrically arranged; further comprising a connecting rod which connects the two middle horizontal rods and the two upper horizontal rods.

[0023] The roof luggage rack provided by the utility model only needs to pull the upper horizontal rod forward, so that the upper horizontal rod can be translated from the roof in a horizontal state, and after loading the luggage, the reverse operation can make the upper horizontal rod return to the roof in a horizontal state. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the initial state structure schematic view;

[0025] Figure 2 is Figure 1 the forward pulling middle structure schematic view;

[0026] Figure 3 is the final state structure schematic view;

[0027] Figure 4 is Figure 3 the other perspective structure schematic view;

[0028] Figure 5 is Figure 3 the local enlarged structure schematic view;

[0029] Figure 6 is Figure 4 Partial enlarged structural schematic view;

[0030] Wherein, the lower crossbar 1, the first roller 1a, the second rolling groove 1b, the middle crossbar 2, the rolling way 2a, the first rolling groove 2b, the belt wheel 2c, the upper crossbar 3, the second roller 3a, the first connecting rod 4a, the second connecting rod 4b, the third connecting rod 4c, the second support rod 5, the first sliding seat 6, the second sliding seat 7, the first belt clamp 8, the second belt clamp 9, the connecting rod 10. DETAILED DESCRIPTION

[0031] As Figures 1-6 shown, the embodiment includes the lower crossbar 1, the middle crossbar 2 and the upper crossbar 3.

[0032] The lower crossbar 1 is fixed on the roof of the car.

[0033] In the initial state, the middle crossbar 2 is arranged above the lower crossbar 1 and overlaps the lower crossbar 1. Pulling the middle crossbar 2 can make the middle crossbar 2 slide along the length direction of the lower crossbar 1. After pulling the middle crossbar 2 out for a distance, pressing the front end of the middle crossbar 2 downward can make the middle crossbar 2 rotate around the front end of the lower crossbar 1.

[0034] Specifically, the embodiment is provided with two first rollers 1a at the front end of the lower crossbar 1, and two rolling ways 2a are arranged on the bottom surface of the middle crossbar 2 corresponding to the first rollers 1a. This preferred scheme can improve the fluency when the middle crossbar 2 further slides downward after rotating a certain angle relative to the front end of the lower crossbar 1, and also facilitates the rotation of the middle crossbar 2.

[0035] The embodiment is also provided with the second sliding seat 7 which can slide on the lower crossbar 1 but not separate from the lower crossbar 1. Specifically, two second rolling grooves 1b with the cross section in the shape of a lying U and with the openings opposite to each other are arranged on the lower crossbar 1, and the second sliding seat 7 is in the shape of a strip. The two sides of the front and rear ends of the second sliding seat 7 are provided with the second sliding seat rollers corresponding to the second rolling grooves 1b, and the second sliding seat rollers can roll in the second rolling grooves 1b so that the second sliding seat 7 can slide on the lower crossbar 1 but not separate from the lower crossbar 1. The embodiment is also provided with the limiting blocks in the second rolling grooves 1b to limit the stroke of the second sliding seat 7.

[0036] Meanwhile, the second support rod 5 is also included, one end of the second support rod 5 is connected with the rear end of the middle crossbar 2, and the other end of the second support rod 5 is hinged with the front end of the second sliding seat 7.

[0037] The upper crossbar 3 of the embodiment is arranged above the middle crossbar 2 and overlaps the middle crossbar 2 in the initial state. Similarly, pulling the upper crossbar 3 can make the upper crossbar 3 slide along the length direction of the middle crossbar 2. Lifting the front end of the upper crossbar 3 upward can make the upper crossbar 3 rotate around the rear end thereof.

[0038] Specifically, the embodiment is provided with a strip-shaped through hole on the middle crossbar 2, two opposite sides of the through hole are provided with two first rolling grooves 2b with a lateral lying U-shaped cross section and opposite openings, and two second rollers 3a are arranged on the two sides of the rear end of the upper crossbar 3 corresponding to the two first rolling grooves 2b. The second rollers 3a are clamped on the first rolling grooves 2b to roll, so that the upper crossbar 3 can rotate around the axis of the second rollers 3a, and can slide on the middle crossbar 2 after rotating by a certain angle.

[0039] The embodiment is further provided with a first support rod, two ends of the first support rod are respectively hinged to the middle crossbar 2 and the upper crossbar 3, and further, the embodiment is further provided with a first sliding seat 6, the first sliding seat 6 can slide on the middle crossbar 2 but not be separated from the middle crossbar 2. Specifically, the first sliding seat 6 is long strip-shaped, and two ends of the first sliding seat 6 are provided with first sliding seat rollers corresponding to the first rolling grooves 2b, and the first sliding seat rollers are arranged in the first rolling grooves 2b.

[0040] In order to better contract, the first support rod of the embodiment is replaced by a first connecting rod 4a, a second connecting rod 4b and a third connecting rod 4c. One end of the first connecting rod 4a is hinged to the end head of the first sliding seat 6 facing the front end of the middle crossbar 2, that is, one end of the first connecting rod 4a is hinged to the front end of the first sliding seat 6. The other end of the first connecting rod 4a is hinged to one end of the second connecting rod 4b. The other end of the second connecting rod 4b is hinged to the upper crossbar 3. One end of the third connecting rod 4c is hinged to the end head of the first sliding seat 6 facing the rear end of the middle crossbar 2, that is, one end of the third connecting rod 4c is hinged to the rear end of the first sliding seat 6. The other end of the third connecting rod 4c is hinged to the middle part of the second connecting rod 4b.

[0041] In use, if a vertical downward force is applied to the upper crossbar 3, the second connecting rod 4b will give a diagonal upward support force to the second connecting rod 4b under the action of the first connecting rod 4a due to the third connecting rod 4c holding the second connecting rod 4b, so that the upper crossbar 3 can withstand the vertical downward force, and the upper crossbar 3 can be used to carry objects.

[0042] The embodiment further includes a pull belt, one end of the pull belt is arranged at the front end of the upper crossbar 3, and the other end of the pull belt is connected to the rear end of the second sliding seat 7 after passing through the rear end of the upper crossbar 3 and the rear end of the middle crossbar 2. The embodiment is provided with a short shaft at the rear end of the upper crossbar 3, the rear end of the middle crossbar 2 and the rear end of the second sliding seat 7, and the pull belt is tightened by passing through the short shaft. In other embodiments, the pull belt can also be replaced by a pull rope.

[0043] Further, the embodiment is further provided with a winding mechanism at the front end of the upper crossbar 3, one end of the pull belt is fixed on the winding mechanism, and the winding mechanism can wind the pull belt.

[0044] In the initial state, the lower crossbar 1, the middle crossbar 2 and the upper crossbar 3 are overlapped from top to bottom. The upper crossbar 3 is pulled forward, so that the middle crossbar 2 slides forward relative to the lower crossbar 1 and the upper crossbar 3 slides forward relative to the middle crossbar 2. After sliding for a distance, the middle crossbar 2 rotates around the front end of the lower crossbar 1 as a fulcrum, and continues to slide downward, and the upper crossbar 3 rotates around the rear end of the middle crossbar 2 as a fulcrum and slides along the middle crossbar 2. The upper crossbar 3 can always remain in a horizontal state until it slides to the limit position as a use state. The limit position can be achieved by setting a blocking part on the lower crossbar 1 and the middle crossbar 2.

[0045] When converting from the initial state to the use state, the pull belt is continuously released.

[0046] The upper crossbar 3 in the horizontal state can be used to place goods, and then only the pull belt is wound, the rear end of the upper crossbar 1 is pulled to slide upward along the middle crossbar 2, and the second support rod 5 is pulled to rotate until it is attached to the second sliding seat 7. Finally, the embodiment can be restored from the use state to the initial state, and the goods below can be transported to the roof.

[0047] Further, the embodiment also has a conveyor belt, both ends of the conveyor belt are sleeved on both ends of the middle crossbar 2, and the conveyor belt is rotatable. In order to ensure the smoothness of rotation, the embodiment can be provided with pulleys 2c at both ends of the middle crossbar 2, and the conveyor belt is sleeved on the pulleys 2c. In other embodiments, the conveyor belt can also be replaced by a chain.

[0048] Meanwhile, the embodiment also has a first belt clamp 8 with a hinged end and a rear end of the upper crossbar 3, and the upper crossbar 3 is connected with the conveyor belt through the first belt clamp 8; and a second belt clamp 9 with a hinged end and a rear end of the lower crossbar 1, and the lower crossbar 1 is connected with the conveyor belt through the second belt clamp 9.

[0049] In this way, the middle crossbar 2 can be moved synchronously when the upper crossbar 3 is pulled, and the stability of converting from the initial state to the use state is improved.

[0050] Further, in the embodiment, the upper crossbar 3, the middle crossbar 2, the lower crossbar 1, the first support rod, the second support rod and the pull belt are provided with two groups and are symmetrically arranged; and the connecting rod 10 connecting the two middle crossbars 2 and the two upper crossbars 3, so as to widen the width of the upper crossbar 3 and improve the area of the upper crossbar 3 for carrying goods.

[0051] It should be noted that the up, down, top, bottom, front, rear and other directions described in the present application are based on the drawings of the specification, and are only used to clearly and simply express the technical solutions, and do not limit the protection scope.

[0052] It should be explained finally that the above embodiment is only used to illustrate the technical scheme of the utility model, and is not the limit of the protection scope of the utility model, although the utility model is explained in detail with reference to the preferred embodiment, the ordinary skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently, and does not deviate from the essence and scope of the technical scheme of the utility model.

Claims

1. A roof rack characterized in that, The utility model relates to a roof-mounted sunshade device A lower crossbar fixed on the roof of a vehicle; A middle crossbar rotatable around the front end of the lower crossbar and slidable relative to the front end; An upper crossbar rotatable around the rear end and slidable relative to the middle crossbar at the rear end; A first support rod hingedly connected to the middle crossbar and the upper crossbar at the two ends, respectively; and A second support rod hingedly connected to the lower crossbar and the middle crossbar at the two ends, respectively.

2. A roof rack as claimed in claim 1, characterized in that The front end of the lower crossbar is provided with a first roller; and the middle crossbar is provided with a roller track corresponding to the first roller.

3. A roof rack as claimed in claim 1, characterized in that The middle crossbar is provided with a strip-shaped through hole, and two first roller grooves with a lateral lying U-shaped cross section and opposite openings are arranged on the two sides of the through hole; and the rear end of the upper crossbar is provided with a second roller corresponding to the two first roller grooves on the two sides.

4. A roof rack as claimed in claim 3, wherein The utility model further comprises a first sliding seat provided with a roller corresponding to the first roller groove; and the two ends of the first support rod are hingedly connected to the upper crossbar and the first sliding seat, respectively.

5. A roof rack as claimed in claim 4, wherein The first support rod is replaced by a first connecting rod, a second connecting rod and a third connecting rod; One end of the first connecting rod is hingedly connected to the end of the first sliding seat facing the front end of the middle crossbar, and the other end of the first connecting rod is hingedly connected to one end of the second connecting rod; the other end of the second connecting rod is hingedly connected to the upper crossbar; one end of the third connecting rod is hingedly connected to the end of the first sliding seat facing the rear end of the middle crossbar, and the other end of the third connecting rod is hingedly connected to the middle part of the second connecting rod.

6. A roof rack as claimed in claim 1, characterized in that The utility model further comprises a pull belt or a pull rope having one end connected to the rear end of the upper crossbar and the other end connected to a second sliding seat after passing around the rear end of the middle crossbar.

7. A roof rack as claimed in claim 1, characterized in that The utility model further comprises a second sliding seat slidable on the lower crossbar but not separated from the lower crossbar, and the two ends of the second support rod are hingedly connected to the middle crossbar and the second sliding seat, respectively.

8. A roof rack as claimed in claim 7, characterised in that The utility model further comprises a winding mechanism having an output end connected to one end of the pull belt, and the winding mechanism is arranged at the front end of the upper crossbar; and the other end of the pull belt is connected to the second sliding seat after passing around the rear end of the upper crossbar and the rear end of the middle crossbar in sequence.

9. A roof rack as claimed in claim 1, characterized in that The utility model further comprises A conveyor belt or a chain rotatable around the two ends of the middle crossbar; A first belt clamp having an end hingedly connected to the rear end of the upper crossbar, and the upper crossbar is connected to the conveyor belt or the chain through the first belt clamp; and A second belt clamp having an end hingedly connected to the front end of the lower crossbar, and the lower crossbar is connected to the conveyor belt or the chain through the second belt clamp.

10. A roof rack as claimed in claim 1, characterized in that The upper crossbar, the middle crossbar, the lower crossbar, the first support rod and the second support rod are each provided with two groups and are symmetrically arranged; and the utility model further comprises a connecting rod connecting the two middle crossbars and the two upper crossbars.

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