WO2021026825A1

WO2021026825A1 - Sliding rail type roof rack that is convenient to mount and dismount

Info

Publication number: WO2021026825A1
Application number: PCT/CN2019/100613
Authority: WO
Inventors: 陈茂春
Original assignee: 陈茂春
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2021-02-18

Abstract

Disclosed is a sliding rail type roof rack that is convenient to mount and dismount. The roof rack comprises a fixing frame (1), a sliding frame (2), a turning frame (3) and a carrier (4), wherein the fixing frame (1) is fixedly mounted on a roof by means of a clamping seat (11), and two sides of the interior of the fixing frame (1) are respectively provided with a first sliding rail (12); two sides of the sliding frame (2) are slidably mounted on the first sliding rails (12) by means of a first pulley block (21); the turning frame (3) is rotatably fixed at a rear side of the sliding frame (2) by means of a rotating shaft (31); two sides of a lower end of the carrier (4) are respectively provided with a second sliding rail (41), and two sides of an upper end of the turning frame (3) are slidably mounted on the second sliding rails (41) by means of a second pulley block (32); two sides of the carrier (4) are slidably arranged on the turning frame (3) by means of the second sliding rails (41); and the carrier (4) can be pulled out in the direction of the first sliding rails (12) of the fixing frame (1), and is rotated by means of the turning frame (3) so as to enable the carrier to be obliquely fixed at a position to the rear of a vehicle, thereby facilitating the placing and unloading of goods by people.

Description

A sliding rail type car roof frame convenient for loading and unloading

Technical field

The invention relates to the field of car roof racks, in particular to a sliding rail type car roof rack that is convenient for loading and unloading.

Background technique

In order to bring convenience to daily life, more and more people install roof racks on the roof of the car, especially when going out for a long distance or organizing outing activities, they need to carry a lot of luggage and tools, when the space in the trunk is not enough , You need to use the roof rack. At present, the roof racks on the market generally directly install a frame on the roof of the car. People need to lift objects into it. This kind of roof rack is used when placing or unloading heavy objects. It is very inconvenient, and the objects are not easy to fix, there are certain safety risks, not humane enough, the operation is cumbersome, and the practicability is poor.

Summary of the invention

In order to solve the above-mentioned problems, the present invention provides a sliding rail type roof rack that is convenient for loading and unloading, which is not only convenient to use, simple to operate and practical, but also safe.

In order to achieve the above objective, the technical solution adopted by the present invention is: a sliding rail type roof frame that is convenient for loading and unloading, including a fixing frame, a sliding frame, a turning frame, and a carrier, and the fixing frame is fixedly installed on the vehicle through a card seat. On the top, first sliding rails are respectively provided on both sides of the inside of the fixing frame, both sides of the sliding frame are slidably mounted on the first sliding rails through a first pulley set, and the turning frame is rotatably fixed to the On the rear side of the sliding frame, second sliding rails are respectively provided on both sides of the lower end of the carrier, and both sides of the upper end of the turning frame are slidably mounted on the second sliding rail through a second pulley group. The second slide rail is slidably arranged on the overturning rack, and support rods are also provided on both sides of the carrier. The support rods are telescopically clamped inside the carrier, and the rear end of the carrier is connected to A limit lock is also arranged between the fixed racks, and a quick-release type snap buckle for connecting supporting equipment is also installed on the carrying rack.

Further, two sides of the fixed frame are respectively provided with supporting feet, connecting rods are arranged between the supporting feet, the carrier is provided with a pull rod, and the limit lock includes an upper lock and a lower lock groove, The upper lock catch is fixed on the pull rod of the carrier, the lower lock slot is fixed at the rear end of the fixing frame, one side of the upper lock catch is provided with a key hole, and the upper lock catch is provided with a key control switch The hanging buckle, the lower end of the hanging buckle and the lower lock slot realize the function of snap-locking or unlocking.

Further, an anti-skid mechanism is also provided between the carrier and the overturning rack, and the anti-skid mechanism includes a limit rail provided at the bottom of the carrier, and a locking assembly provided on the overturning rack. The track is provided with a number of evenly distributed clamping slots along its length. The locking assembly includes a limiting block, a tension spring and an unlocking handle. The limiting block is swingably mounted on the turning frame. The unlocking handle is arranged on the carrier, one end of the limit block is provided with a clamping part, the other end is provided with a traction hole, one end of the tension spring is fixed on the overturning frame, and the other end is away from the traction hole Connected, the unlocking handle is provided with a tension wire, the tension wire is connected to the traction hole, and the limit block is swung by the unlocking handle to realize the unlocking function.

Further, the sliding frame is provided with a braking mechanism, and both sides of the sliding frame are provided with C-shaped groove rails. The braking mechanism includes a pull ring, a brake block and a limit block, and the pull ring is arranged at C One end of the grooved rail, the brake block is arranged on the other end of the C-shaped groove track, the limit block is arranged on the first slide rail, one end of the brake block is provided with a tension hole, and the other One end is provided with a pawl, the pawl is provided with a limiting groove matched with the limiting block, the brake block is swingably mounted on the C-slot track by screws, and the brake block is also connected with a reset A spring, one end of the return spring is fixed on the tension hole, the other end is fixed on the C-slot track, a steel wire is arranged between the pull ring and the brake block, one end of the steel wire is fixed on the pull ring, and the other One end is fixed on the tension hole of the brake block.

Wherein, a fixed supporting bracket is provided at the end of the carrier.

Wherein, the inner front end of the fixed frame is also provided with positioning sub-buckles, the bottom front end of the carrier is provided with positioning female buckles corresponding to the positioning sub-buckles, and four quick-release female buckles are respectively installed on the carrier , Four sub-buckles are installed at corresponding positions on the supporting equipment.

Further, the corners of the fixing frame are all arc-shaped, the two sides of the carrier are also provided with a number of hanging net rings that are convenient for binding articles with ropes, and the bottom of the fixing frame is also fixed with cross bars, so The card seat is fixed on both sides of the cross bar.

Wherein, the support rod can be connected to the carrier through an elastic block, and the end of the support rod is provided with a bending pad for easy stretching.

Further, the bottom of the carrier and the upper part of the overturning rack are respectively provided with a reset rail, the reset rail is equipped with a drag chain, a tensile steel wire and a steel wire tube are installed in the drag chain, and the drag chain is slidably Installed in the reset rail.

Wherein, the two sides of the lower end of the carrier are provided with front guide wheels, so that when the carrier slides along the overturning rack, the front guide wheels of the carrier can slide on the sliding rack.

The beneficial effect of the present invention is that the sliding rail-type roof frame of the present invention is convenient for loading and unloading through the mutual cooperation of the sliding rails, so that the carrier can be pulled out along the sliding rail direction of the fixed frame, and is tilted and fixed on the vehicle by rotating the turning frame. The tail position is convenient for people to place and unload the goods. Among them, the anti-skid track and the locking component have the anti-skid effect to prevent the unnecessary sliding of the carrier due to the loosening of the hand during the movement or resetting process; in addition, the limit The lock buckle can limit and fix the carrier, avoiding the sliding of the carrier when the trolley is walking, and has high safety.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic diagram of the structure of the present invention unfolded.

Fig. 3 is a schematic diagram of the structure of the fixing frame of the present invention.

Figure 4 is a schematic diagram of the structure of the sliding frame of the present invention.

Figure 5 is a schematic diagram of the structure of the flip frame of the present invention.

Fig. 6 is a schematic diagram of the structure of the object carrier and the flip frame of the present invention.

Fig. 7 is a schematic diagram of the structure of the anti-skid mechanism of the present invention.

Fig. 8 is a schematic diagram of the structure of the braking mechanism of the present invention.

Fig. 9 is a schematic diagram of the state of use of the present invention.

Fig. 10 is a schematic diagram of another use state of the present invention.

Description with icon number:

1. Fixed frame; 11. Card seat; 12. First slide rail; 13. Support foot; 14. Connecting rod; 15. Cross bar; 16. Positioning buckle;

2. Sliding frame; 21. The first pulley block; 22. C-slot track;

3. Turning frame; 31. Rotating shaft; 32. Second pulley block; 33. Drag chain;

4. Carrier; 41. Second slide rail; 42. Support rod; 421. Bending pad; 422. Rear bayonet; 423. Front bayonet; 424. Elastic claw; 425. Torsion spring; 43. Tie rod; 44. Limit track; 441. Card slot; 45. Support bracket; 46. Front guide wheel; 47. Hanging net ring; 48. Positioning female buckle; 49. Reset guide;

5. Limit lock; 51. Upper lock; 511. Keyhole; 512. Hanging button; 52. Lower lock slot;

6. Locking components; 61. Limiting block; 611. Clamping part; 612. Traction hole; 62. Tension spring; 63. Unlocking handle;

7. Braking mechanism; 71 pull ring; 72. Brake block; 721. Tension hole; 722. Claw; 7221. Limit slot; 73. Limit block; 74. Return spring; 8. Trolley; 9. Fast Removable type snap button; 91. Female button; 92. Child button.

detailed description

Hereinafter, the present invention will be further described in detail through specific embodiments in conjunction with the drawings. This application can be implemented in many different forms and is not limited to the implementation described in this embodiment. The following specific implementations are provided for the purpose of facilitating a clearer and thorough understanding of the disclosure of the present application. The words indicating directions such as front, back, left, and right are only for the position of the structure shown in the corresponding drawings.

Please refer to Figures 1-8. The present invention relates to a sliding rail type roof frame that is easy to install and unload, including a fixing frame 1, a sliding frame 2, a turning frame 3 and a carrier 4, and the fixing frame 1 passes through a card seat 11 is fixedly installed on the roof of the vehicle, the fixing frame 1 is provided with first slide rails 12 on both sides of the interior, and the two sides of the sliding frame 2 are slidably mounted on the first slide rail 12 through the first pulley set 21, so The turning frame 3 is rotatably fixed to the rear side of the sliding frame 2 through a rotating shaft 31. The two sides of the lower end of the carrier 4 are respectively provided with second slide rails 41, and the upper two sides of the turning frame 3 can pass through the second pulley block 32. It is slidably mounted on the second slide rail 41. The two sides of the carrier 4 are slidably installed on the turning frame 3 through the second slide rail 41, and support rods 42 are also provided on both sides of the carrier 4, The supporting rods 42 are telescopically clamped on the insides of both sides of the carrier 4, a limit lock 5 is also provided between the rear end of the carrier 4 and the fixing frame 1, and the carrier 4 is also installed There is a quick-release snap button 9 for connecting supporting equipment.

Compared with the prior art, the sliding rail-type roof frame of this embodiment is convenient for loading and unloading through the mutual cooperation of the sliding rails, so that the carrier 4 can be pulled out along the direction of the first sliding rail 12 of the fixing frame 1 and passes through the turning frame 3 The rotation makes it tilt and fix it at the rear of the vehicle, which is convenient for people to place and unload the goods; among them, the limit rail 44 and the locking assembly 6 have an anti-skid effect to prevent loosening of the carrier 4 during the movement or resetting process. Unnecessary sliding accidents occur; in addition, the limit lock 5 can limit and fix the carrier 4, avoiding the sliding of the carrier 5 when the trolley is walking, and has high safety.

Further, the two sides of the rear end of the fixed frame 1 are respectively provided with supporting feet 13, a connecting rod 14 is arranged between the supporting feet 13, the carrier 4 is provided with a pull rod 43, and the limit lock 5 It includes an upper lock catch 51 and a lower lock groove 52. The upper lock catch 51 is fixed on the pull rod 43 of the carrier 4, the lower lock groove 52 is fixed on the rear end of the fixing frame 1, and the upper lock catch 51 is one A key hole 511 is provided on the side, and the upper lock buckle 51 is provided with a hanging buckle 512 that uses a key to control the switch.

Please refer to FIG. 7, the left and right sides between the carrier 4 and the turning frame 3 are also provided with anti-skid mechanisms. The anti-skid mechanism includes a limit rail 44 provided at the bottom of the carrier 4 and The locking assembly 6 on the turning frame 3 is provided with a plurality of evenly distributed slots 441 along the length of the limit rail 44, and the locking assembly 6 includes a limit block 61, a tension spring 62 and an unlocking A handle 63, the limit block 61 is swingably mounted on the flip frame 3, the unlock handle 63 is arranged on the pull rod 43 of the carrier 4, and one end of the limit block 61 is provided with a clamping part 611, the other end is provided with a traction hole 612, one end of the tension spring 62 is fixed to the flip frame 3, and the other end is connected to the other end away from the traction hole 612, the unlocking handle 63 is provided with a tension wire, the tension wire It is connected to the traction hole 612, and the limit block 61 is swung by the unlocking handle 63 to realize the unlocking function. When pulling the carrier 4, hold the unlocking handle 63 and hold it to unlock, and then loosen the unlocking handle 63 after landing and hear the sound of "click" to lock the lock.

Please refer to FIG. 8, in this embodiment, the sliding frame 2 is further provided with braking mechanisms 7 on the left and right sides, the sliding frame 2 is provided with C-slot rails 22 on both sides, and the braking mechanism 7 includes a pull ring 71 , Brake block 72, limit block 73, the pull ring 71 is arranged at one end of the C-shaped groove rail 22, the brake block 72 is arranged at the other end of the C-shaped groove rail 22, the limit The block 73 is arranged on the first slide rail 12, and one end of the brake block 72 is provided with a tension hole 721, and the other end is provided with a claw 722, and the claw 722 is provided with a limit which cooperates with the limit block 73 Slot 7221, the brake block 72 is swingably mounted on the C-slot rail 22 by screws, the brake block 72 is also connected with a return spring 74, one end of the return spring 74 is fixed on the tension hole 721 , The other end is fixed to the C-slot rail 22, a steel wire is arranged between the pull ring 71 and the brake block 72, one end of the steel wire is fixed to the pull ring 71, and the other end is fixed to the tension hole of the brake block 72 721 on.

In this embodiment, a fixed supporting bracket 42 is provided at the end of the carrier 4, which can support the placed items when the carrier 4 is turned and inclined. The inner front end of the fixed frame 1 is also provided with a positioning sub-buckle 16, and the bottom front end of the carrier 4 is provided with a positioning female buckle 48 corresponding to the positioning sub-buckle 16, which can better align the carrier 4 and the fixed frame 1. Position limit; four quick-release female buckles 91 are respectively installed on the carrier 4, and four sub buckles 92 are installed on the corresponding position on the supporting equipment for connecting the carrier 4 and the supporting equipment.

In this embodiment, front guide wheels 46 are provided on both sides of the lower end of the carrier 4, so that when the carrier 4 slides along the turning frame 3, the front guide wheels 46 of the carrier 4 can slide on the sliding frame 2. It is convenient for the carrier 4 to be pushed on the sliding frame 3 and has a supporting effect.

In this embodiment, the corners of the fixing frame 1 are all arcs, and rounded corners are used instead of corners, which can reduce wind resistance and avoid scratching people or objects due to sharpness, and has good safety; wherein, the carrier 4 There are also a number of hanging net rings 47 on both sides that are convenient for tying objects with ropes; in addition, the bottom of the fixing frame 1 is also fixed with a cross bar 15, and the holder 11 is fixed on both sides of the cross bar 15 to facilitate the entire The roof frame is fixed on the roof of the trolley 8.

Wherein, the support rod 42 can be connected to the carrier 4 through an elastic block, so that the support rod 42 can be clamped and limited when the support rod 42 is pulled out to the end position; and the end of the support rod 42 is provided to facilitate stretching The bending support pad 421 is convenient for the user to pull out the support rod 42 by bending the support pad 421, and also increases the contact area of the support rod 42 with the ground, and improves the support force.

In this embodiment, the bottom of the carrier 4 and the upper part of the turning frame 3 are respectively provided with a reset guide 49, and the tow chain 33 is slidably installed in the reset guide 49. Wherein, the openings of the reset guide rails 49 on the carrier 4 and the turning frame 3 are installed symmetrically, and drag chains 33 are installed in the two reset guide rails 49, and the drag chains 33 are provided with traction steel wires and steel wire tubes. One end of the steel wire is connected with the unlocking handle 63, and the other end is connected with the traction hole 612.

In this embodiment, an elastic claw 424 is provided on one side of the carrier 4, and the elastic claw 424 is fixed to the carrier 4 by a torsion spring 425, and the front and rear positions of the support rod 42 on the same side are respectively provided The front bayonet 423 and the rear bayonet 422, the elastic claw 424 can be elastically clamped with the front bayonet 423 or the rear bayonet 422, and the elastic claw 424 forms a support rod elastic lock buckle with the front bayonet 423 or the rear bayonet 422 respectively .

Please refer to Figure 9 and Figure 10, the method of using the sliding rail type roof rack in this embodiment is as follows:

1) First use the key to insert the key hole 511 to unlock, then pull down the upper lock catch 51 to unlock the hang catch 512 from the lower lock slot 52;

2) Pull the rod 43 on the carrier 4, pull the sliding frame 2 and the carrier 4 out along the first slide rail 12 until the brake block 72 engages with the limit block 73, and then pull Extend the support rods 42 on both sides of the carrier 4, and make the elastic claws 424 clamped in the front bayonet 423, so as to realize the clamping and fixing between the support rod 42 and the carrier 4;

3) Hold the unlocking handle 63 and pull the wire, and the wire pulls the limit block 61 to make the limit block 61 clamped on the slot 441 of the limit rail 44 swing out of the slot 441 to realize the anti-skid unlocking function ; At this time, the carrier 4 can slide on the flip frame 3 along the second slide rail 41;

4) While pulling out the carrier 4, the flip frame 3 and the carrier 4 can be rotated through the shaft 31, so that the carrier 4 is folded at the rear door of the trolley 8, so that the support rod 42 is supported to the ground, namely Items can be placed on the carrier 4;

5) After placing the items, push the carrier 4 back into the turning frame 3 along the second slide rail 41, and the limit block 61 passes through the tension spring 62 to keep the limit block 61 pressed against the limit rail 44 When the carrier 4 in the retracting process is released, the limit block 61 will be stuck into the slot 441 of the anti-skid rail 44 closest to the limit block 61 during the sliding down of the carrier 4, Realize the non-slip safety function;

6) Turn the carrier 4 and the flip frame 3 to the horizontal direction, and at the same time push the carrier 4 back to the sliding frame 2 along the second slide rail 41 for support, and then press the elastic claw 424 from the front bayonet 423 To unlock, push the support rod 42 back into the carrier 4 until the elastic pawl 424 is locked in the rear bayonet 422, and at the same time pull the ring 71 to unlock, and move the sliding frame 2 and the carrier 4 along the first slide rail 12 Push back into the fixing frame 1.

7) Lock the hanging buckle 512 with the lower lock slot 52, lock it with a key, and then pull out the key to complete the entire installation process.

It needs to be further explained that the elastic block, the sliding rail and the pulley set mentioned in this embodiment are conventional components in the field, and will not be repeated here. Among them, the fixing mentioned in this embodiment can be fixed by means of screw fixing or snap connection. Unless otherwise clearly specified and limited, the terms "connection", "fixing", "setting" and other terms should be interpreted broadly. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood according to specific circumstances.

The above embodiments are only a description of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and changes made by ordinary engineers in the art to the technical solutions of the present invention All improvements shall fall within the protection scope determined by the claims of the present invention.

Claims

A sliding rail type car roof rack that is convenient for loading and unloading, which is characterized in that it comprises a fixing frame, a sliding frame, a turning frame and an object carrier. The fixing frame is fixedly installed on the roof of the car through a clamping seat. The sides are respectively provided with first sliding rails, both sides of the sliding frame are slidably mounted on the first sliding rails through the first pulley set, the turning frame is rotatably fixed to the rear side of the sliding frame through a rotating shaft, and the load The two sides of the lower end of the rack are respectively provided with second slide rails, the upper two sides of the turning rack are slidably mounted on the second slide rails through the second pulley group, and the two sides of the carrier are slidably provided by the second slide rails. On the flip frame, there are support rods on both sides of the carrier, the support rods are telescopically clamped inside the carrier, and a limit lock is also provided between the rear end of the carrier and the fixed frame Buckle, the said carrier is also installed with quick-release type snap buckle used to connect with supporting equipment.
The sliding rail type roof rack for easy loading and unloading according to claim 1, characterized in that: two sides of the fixing frame are respectively provided with supporting feet, and connecting rods are provided between the supporting feet, and the load The frame is provided with a pull rod, the limit lock includes an upper lock catch and a lower lock groove, the upper lock catch is fixed on the pull rod of the carrier, the lower lock groove is fixed on the rear end of the fixed frame, and the upper lock catch One side of the lock buckle is provided with a key hole, the upper lock buckle is provided with a hanging buckle that uses a key to control the switch, and the lower end of the hanging buckle and the lower lock slot realize the function of snap-locking or unlocking.
The sliding rail type roof rack for easy loading and unloading according to claim 1, characterized in that: an anti-skid mechanism is further provided between the carrier and the turning frame, and the anti-skid mechanism comprises a bottom of the carrier The limit rail and the locking assembly arranged on the flip frame, the limit rail is provided with a number of evenly distributed slots along its length, and the locking assembly includes a limit block, a tension spring and Unlock the handle, the limit block is swingably mounted on the flip frame, the unlock handle is arranged on the carrier, one end of the limit block is provided with a clamping part, and the other end is connected to the one far from the traction hole One end of the tension spring is connected, one end of the tension spring is fixed on the turning frame, the other end is fixed on the traction hole, the unlocking handle is provided with a tension wire, the tension wire is connected to the traction hole, and the unlocking handle makes the The limit card block swings to realize the unlocking function.
The sliding rail type roof frame that is convenient for loading and unloading according to claim 1, wherein the sliding frame is provided with a braking mechanism, both sides of the sliding frame are provided with C-slot rails, and the braking The mechanism includes a pull ring, a brake block and a limit block. The pull ring is arranged at one end of the C-shaped groove track, the brake block is arranged at the other end of the C-shaped groove track, and the limit block is arranged On the first slide rail, one end of the brake block is provided with a tension hole, and the other end is provided with a claw. The claw is provided with a limit groove that matches with the limit block, and the brake block can swing The brake block is also connected to a return spring. One end of the return spring is fixed on the tension hole, and the other end is fixed on the C-shaped groove track. The pull ring and the brake A steel wire is arranged between the moving blocks, one end of the steel wire is fixed on the pull ring, and the other end is fixed on the tension hole of the brake block.
The sliding rail type roof rack that is convenient for loading and unloading according to claim 1, wherein a fixed supporting bracket is provided at the end of the carrier.
The sliding rail type roof rack for easy loading and unloading according to claim 1, characterized in that: the inner front end of the fixed frame is further provided with a positioning sub-buckle, and the bottom front end of the carrier is provided with a corresponding positioning sub-buckle. Four quick-release female buckles are respectively installed on the carrier, and four sub-buckles are installed on the corresponding positions on the supporting equipment.
The sliding rail type roof rack for easy loading and unloading according to claim 1, wherein the corners of the fixing frame are all arc-shaped, and there are several easy-to-use ropes on both sides of the carrier For the hanging net ring for binding articles, the bottom of the fixing frame is also fixed with a cross bar, and the clamping seat is fixed on both sides of the cross bar.
The sliding rail-type roof rack that is easy to load and unload according to claim 1, wherein the support rod can be connected to the carrier through an elastic block, and the end of the support rod is provided with a stretchable Bend the pad.
The sliding rail type roof rack that is easy to load and unload according to claim 1, characterized in that: the bottom of the carrier and the upper part of the overturning rack are respectively provided with reset rails, and the reset rails are installed with drag chains, so A tensile steel wire and a steel wire tube are installed in the drag chain, and the drag chain is slidably installed in the reset guide rail.
The sliding rail type roof rack for easy loading and unloading according to claim 1, characterized in that: the two sides of the lower end of the carrier are provided with front guide wheels, so that when the carrier slides along the flip frame, the carrier The front guide wheel can slide on the sliding frame.