CN111994012B

CN111994012B - Automobile luggage rack convenient to fixed article

Info

Publication number: CN111994012B
Application number: CN202010904746.0A
Authority: CN
Inventors: 顾西; 潘少华; 陈紫薇
Original assignee: Yancheng Huayue Auto Parts Co ltd
Current assignee: Yancheng Huayue Auto Parts Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-08-20
Anticipated expiration: 2040-09-01
Also published as: CN111994012A

Abstract

The invention relates to the field of automobile luggage racks, in particular to an automobile luggage rack convenient for fixing articles, which comprises a supporting mechanism, a transmission mechanism, a clamping mechanism, a limiting mechanism and a fixing mechanism, wherein the supporting mechanism is arranged on the supporting mechanism; can reduce the windage of car when driving through supporting mechanism's setting when increasing the space of holding article, aesthetic measure and practicality have been improved, can provide power for four fixture simultaneously through drive mechanism's setting, operating time has been saved, the installation effectiveness has been improved, the structural strength at centre gripping position has been improved to the setting of the reasonable centre gripping position through fixture, the risk of becoming flexible has been avoided, stolen risk has been avoided through stop gear's setting, thereby its safety in utilization has been improved, be convenient for firmly fix article through fixing mechanism's setting, avoid article to rock the damage in driving, and the safety of traveling has been improved.

Description

Automobile luggage rack convenient to fixed article

Technical Field

The invention relates to the field of automobile luggage racks, in particular to an automobile luggage rack convenient for fixing articles.

Background

The automobile luggage rack has both aesthetic and practical functions, and can make the shape of the automobile more cool and can be used in a large place when people go out. It can carry the objects which can not be put down in the luggage compartment, such as bulky luggage, bicycles, folding beds, etc. As long as the car owner fixes the goods in place, especially if the luggage rope net is additionally arranged on the goods, more things can be carried.

When needs are from driving a tour or long-distance travel, in order to be convenient for at open air life demand, often need to carry a large amount of articles for daily use, limited space has not satisfied the demand in the carriage this moment, then can place the storage instrument of article at the roof and just take place by oneself, however traditional luggage rack is mostly the fixed mode of nut bolt formula, it is very inconvenient just to show when needs are dismantled or are installed, and the inside of most luggage racks is only simple storage function, or the fixed article of simple spring elastic cord some, when the object quality is great, traditional fixed mode this moment causes article to rock along with the automobile body in the suitcase easily, serious still cause article damage or traffic accident easily.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an automobile luggage rack convenient for fixing articles.

The technical scheme adopted by the invention for solving the technical problems is as follows: an automobile luggage rack convenient for fixing articles comprises a supporting mechanism, a transmission mechanism, a clamping mechanism, a limiting mechanism and a fixing mechanism, the supporting mechanism for providing a space for accommodating articles and reducing wind resistance is mounted at the top end of the automobile, the transmission mechanism for assisting the clamping mechanism to clamp and fix the top end of the automobile is arranged in the supporting mechanism and is rotationally connected with the supporting mechanism, the clamping mechanism used for fixing the supporting mechanism is arranged in the supporting mechanism and is connected with the transmission mechanism, the limiting mechanism for conveniently opening and closing and limiting the internal parts of the supporting mechanism is arranged in the supporting mechanism, the fixing mechanism for fixing the articles in the supporting mechanism is arranged in the supporting mechanism.

Specifically, the supporting mechanism comprises luggage racks, cross beams, fixed plates, round tables and movable plates, the fixed plates are arranged at the top ends of the two luggage racks, the cross beams are fixed at two ends of the fixed plates respectively, the cross beams are arranged at the top ends of the luggage racks, the semicircular round tables are fixed at two ends of the top ends of the fixed plates respectively, the movable plates are arranged in the middle portions of the two round tables, and one ends of the movable plates are fixed at the top ends of the fixed plates.

Specifically, drive mechanism includes fastening block, worm, turbine, first gear, chain, second gear, third gear, fourth gear and first lead screw, the inside of fixed plate is equipped with the turbine with the worm, the worm meshing in the turbine, the one end of worm is fixed with the fastening block, the fastening block other end is located the outside of fixed plate, the middle part of turbine is fixed with two first gear, the both sides of turbine are equipped with one respectively the second gear, first gear with the meshing has between the second gear the chain, the bottom mounting of second gear has the third gear, one side meshing of third gear has the fourth gear, the middle part of fourth gear is fixed with first lead screw, first lead screw rotate in the inside of fixed plate.

Specifically, fixture includes spout, grip block and screw thread piece, the inside at crossbeam both ends is equipped with two cross-sections respectively and is the cross form the spout, the inside of spout slides and has the grip block, per two the grip block centre gripping is in same the lateral wall of luggage rack, the top of grip block is fixed with one respectively the screw thread piece, first lead screw runs through in two the screw thread piece, first lead screw threaded connection is in two the screw thread piece, two the internal thread of screw thread piece opposite and slide in the inside of crossbeam.

Specifically, the limiting mechanism comprises an operation block, a limiting block, a second screw rod, a sliding key, a fifth gear, a sixth gear, a rotating shaft and a lock main body, the operation block is arranged at the outer side of one end of the movable plate, the lock main body is arranged at the bottom end of the operation block, the lock main body is arranged in the fixed plate, the rotating shaft is fixed at one end of the lock main body, which is positioned in the fixed plate, the rotating shaft is rotatably connected in the fixed plate, the sixth gear is fixed in the middle of the rotating shaft, the fifth gear is meshed at the top end of the sixth gear, the second screw rod is fixed in the middle of the fifth gear, the sliding key is arranged between the second screw rod and the fifth gear, the second screw rod slides in the fifth gear through the sliding key, and is in threaded connection with the fixed plate, the bottom mounting that the fly leaf is close to operation piece one end has the stopper, the stopper is located the inside of fixed plate, the one end of second lead screw runs through the inside of stopper.

Specifically, the fixing mechanism comprises a fixing block, a coiling disc, a limiting belt, a ratchet wheel, a limiting rod, a connecting rod, a sliding rod and a spring, the fixed block is fixed at the top end of the fixed plate, the coiling disc is rotated in the middle of the fixed block, the ratchet wheel is fixed at one end of the rolling disc, the limiting rod is abutted at the bottom end of the ratchet wheel, the other end of the limiting rod rotates inside the fixing block, the bottom end of the limiting rod is provided with the sliding rod, the slide bar slides in the fixed block, the spring is wound on the side wall of the slide bar, one end of the spring is fixed in the fixed block, the other end of the spring is fixed on the inner wall of the slide bar, the slide bar with it has to rotate between the gag lever post the connecting rod, it has to twine on the lateral wall of rolling up the dish the spacing area, the other end of spacing area can dismantle connect in the other end of fixed plate.

The invention has the beneficial effects that:

(1) the automobile luggage rack convenient for fixing articles, which is disclosed by the invention, is characterized in that the supporting mechanism is arranged at the top end of an automobile, the structural strength of the support mechanism can be increased under the condition of reducing weight, and the semicircular appearance design can not only increase the space for accommodating articles, but also reduce the wind resistance of the automobile when the automobile is running, improve the aesthetic degree and the practicability, namely, because the two luggage racks are fixed at the top end of the automobile, the four clamping mechanisms on the two cross beams are clamped at the two sides of the two luggage racks by operating the transmission mechanism, and then the movable plate is operated to fold, so that articles can be added or taken between the two round tables, and then can increase self structural strength under the condition of weight reduction to the windage when the car is driving can be reduced when article holding space can be increased to the outward appearance design of semicircle form, has improved pleasing to the eye degree and practicality.

(2) The automobile luggage rack convenient for fixing articles is characterized in that the transmission mechanism is arranged inside the supporting mechanism, the transmission mechanism is rotatably connected with the supporting mechanism, the clamping mechanism is convenient to move due to the arrangement of the transmission mechanism, power can be provided for four clamping mechanisms simultaneously, the traditional complicated steps of one-by-one operation are avoided, the operation time is saved, the installation efficiency is improved, the clamping mechanisms are clamped and fixed at the top end of an automobile, the clamping mechanisms are arranged inside the supporting mechanism, the clamped and fixed parts are convenient to be well fixed due to the arrangement of the clamping mechanisms, the operation steps are simplified, the structure is simple, the structural strength of the clamping parts is improved due to reasonable arrangement of the clamping parts, the risk of loosening is avoided, namely when the clamping mechanisms are required to be operated to clamp and fix, the clamping mechanisms are inserted into the fastening blocks through specific tools, then the operation tool drives the fastening block to rotate, the fastening block drives the worm to engage with the worm wheel to rotate, the worm wheel drives the two first gears to synchronously rotate while rotating, the first gears cause the second gears to rotate in the fixing plate through chains, the second gears engage with the fourth gears through the third gears, so that the two first screw rods synchronously rotate, and further the clamping mechanisms can move conveniently, and simultaneously, power can be provided for the four clamping mechanisms, the traditional complex steps of needing to operate one by one are avoided, the operation time is saved, the installation efficiency is improved, namely, when the fixing plate needs to be arranged at the top ends of the two luggage racks, the cross beam is firstly arranged at the top ends of the luggage racks, the position is adjusted, so that the luggage racks are arranged between the two clamping blocks in an unclamped state, along with the rotation of the first screw rods, because the internal threads of the two screw blocks are opposite, then first lead screw can cause two screw thread pieces to be close to each other when rotating, then two grip blocks are close to each other, and final grip block centre gripping is to the lateral wall of luggage rack on, and then be convenient for fix the fixed spare part of centre gripping fine, and operating procedure retrencies and simple structure, and reasonable centre gripping position sets up the structural strength who has improved the centre gripping position, has avoided not hard up risk.

(3) The invention relates to an automobile luggage rack convenient for fixing articles, wherein a limiting mechanism is arranged inside a supporting mechanism, sealing parts are prevented from being accidentally slipped off through the arrangement of the limiting mechanism, the articles inside the supporting mechanism are prevented from being lost, the risk of being stolen is avoided through the mode of opening a lock, and the use safety of the automobile luggage rack is improved, the fixing mechanism is arranged inside the supporting mechanism, the articles are firmly fixed through the arrangement of the fixing mechanism, the articles are prevented from shaking and damaging during running, and the running safety is improved, namely, when a movable plate needs to be uncovered, a key is firstly inserted into a lock main body to rotate, the lock main body drives a rotating shaft to rotate inside a fixed plate, the rotating shaft is meshed with a fifth gear through a sixth gear to rotate, and the fifth gear enables a second screw rod to slide while rotating through a sliding key, the second screw rod can issue displacement in the fixed plate when rotating, and finally the second screw rod slides to the inside of the limiting block, thereby avoiding accidental sliding of sealing parts, further avoiding loss of articles in the supporting mechanism, and avoiding the risk of theft through the mode of opening the lock, thereby improving the use safety of the device, namely, after the articles are placed in the two circular truncated cones, the limiting belt is placed at the top end of the articles, one end of the limiting belt is fixed on one side of the fixed plate, the ratchet wheel is driven by a tool to rotate, the winding disc is driven by the ratchet wheel to wind the limiting belt, the limiting rod is abutted on the side wall of the ratchet wheel when the ratchet wheel rotates, the rotation of the ratchet wheel is avoided, the limiting belt is more tightly wound, when the articles need to be taken for use, the ratchet wheel slightly rotates, the sliding rod is pressed, the sliding rod causes the limiting rod not to be abutted by the ratchet wheel when sliding to the inside of the fixed block, thereby being convenient for firmly fixing the object, avoiding the object from shaking and damaging during the running and improving the running safety.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the overall structure of a preferred embodiment of a vehicle roof rack for facilitating the securing of objects provided by the present invention;

FIG. 2 is a schematic view of the connection structure of the supporting mechanism, the transmission mechanism and the clamping mechanism shown in FIG. 1;

FIG. 3 is a schematic view of a connection structure of the supporting mechanism and the transmission mechanism shown in FIG. 1;

FIG. 4 is a schematic structural view of the support mechanism and the limiting mechanism shown in FIG. 1;

FIG. 5 is an enlarged view of portion A of FIG. 1;

FIG. 6 is an enlarged view of the portion B shown in FIG. 4;

FIG. 7 is an enlarged view of section C of FIG. 6;

fig. 8 is an enlarged view of the portion D shown in fig. 6.

In the figure: 1. the locking device comprises a supporting mechanism, 11, a luggage rack, 12, a cross beam, 13, a fixing plate, 14, a circular truncated cone, 15, a movable plate, 2, a transmission mechanism, 21, a fastening block, 22, a worm, 23, a turbine, 24, a first gear, 25, a chain, 26, a second gear, 27, a third gear, 28, a fourth gear, 29, a first screw rod, 3, a clamping mechanism, 31, a sliding chute, 32, a clamping block, 33, a thread block, 4, a limiting mechanism, 41, an operation block, 42, a limiting block, 43, a second screw rod, 44, a sliding key, 45, a fifth gear, 46, a sixth gear, 47, a rotating shaft, 48, a lock main body, 5, a fixing mechanism, 51, a fixing block, 52, a winding disc, 53, a limiting belt, 54, a ratchet wheel, 55, a limiting rod, 56, a connecting rod, 57, a sliding rod, 58 and a spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the automobile luggage rack convenient for fixing articles according to the present invention comprises a supporting mechanism 1, a transmission mechanism 2, a clamping mechanism 3, a limiting mechanism 4 and a fixing mechanism 5, wherein the supporting mechanism 1 for providing a space for accommodating articles and reducing wind resistance is installed at the top end of an automobile, the transmission mechanism 2 for assisting the clamping mechanism 3 to clamp and fix the top end of the automobile is arranged inside the supporting mechanism 1, the transmission mechanism 2 is rotatably connected with the supporting mechanism 1, the clamping mechanism 3 for fixing the supporting mechanism 1 is arranged inside the supporting mechanism 1, the clamping mechanism 3 is connected with the transmission mechanism 2, the limiting mechanism 4 for facilitating opening and closing limiting of internal components of the supporting mechanism 1 is arranged inside the supporting mechanism 1, the fixing mechanism 5 for fixing the article inside the supporting mechanism 1 is provided inside the supporting mechanism 1.

Specifically, the supporting mechanism 1 includes luggage racks 11, beams 12, fixed plates 13, round tables 14 and movable plates 15, the fixed plates 13 are disposed at the top ends of the two luggage racks 11, one beam 12 is respectively fixed at both ends of each fixed plate 13, the beam 12 is disposed at the top end of the luggage rack 11, the semicircular round tables 14 are respectively fixed at both ends of the top end of each fixed plate 13, the middle portions of the two round tables 14 are disposed on the movable plates 15, and one end of each movable plate 15 is fixed at the top end of the fixed plate 13, since the two luggage racks 11 are fixed at the top end of the automobile, the transmission mechanism 2 is operated to clamp the four clamping mechanisms 3 on the two beams 12 at both sides of the two luggage racks 11, and then the movable plates 13 are operated to fold, so that articles can be added or taken between the two round tables 14, and then can increase self structural strength under the condition of weight reduction to the windage when the car is driving can be reduced when article holding space can be increased to the outward appearance design of semicircle form, has improved pleasing to the eye degree and practicality.

Specifically, the transmission mechanism 2 includes a fastening block 21, a worm 22, a worm wheel 23, a first gear 24, a chain 25, a second gear 26, a third gear 27, a fourth gear 28 and a first screw 29, the worm wheel 23 and the worm 22 are arranged inside the fixing plate 13, the worm 22 is meshed with the worm wheel 23, the fastening block 21 is fixed to one end of the worm 22, the other end of the fastening block 21 is located outside the fixing plate 13, two first gears 24 are fixed to the middle of the worm wheel 23, one second gear 26 is respectively arranged on each of two sides of the worm wheel 23, the chain 25 is meshed between the first gear 24 and the second gear 26, the third gear 27 is fixed to the bottom end of the second gear 26, the fourth gear 28 is meshed to one side of the third gear 27, and the first screw 29 is fixed to the middle of the fourth gear 28, the first lead screw 29 rotates inside the fixing plate 13, since when the clamping mechanism 3 needs to be operated for clamping and fixing, a specific tool is inserted into the fastening block 21, then the fastening block 21 is driven by the operation tool to rotate, the fastening block 21 drives the worm 22 to engage with the worm wheel 23 to rotate, the worm wheel drives two first gears 24 to rotate synchronously while rotating, the first gears 24 cause the second gears 26 to rotate inside the fixing plate 13 through the chains 25, the second gears 26 engage with the fourth gears 28 through the third gears 27, so that the two first lead screws 29 rotate synchronously, thereby facilitating the movement of the clamping mechanism 3, and simultaneously providing power for four clamping mechanisms 3, avoiding the traditional complicated steps of operations, the operation time is saved, and the installation efficiency is improved.

Specifically, the clamping mechanism 3 includes a sliding slot 31, a clamping block 32 and a threaded block 33, two sliding slots 31 with cross-shaped cross sections are respectively disposed inside two ends of the cross beam 12, the clamping block 32 is slid inside the sliding slot 31, each two clamping blocks 32 are clamped on a side wall of the same luggage rack 11, one threaded block 33 is respectively fixed on a top end of each clamping block 32, the first lead screw 29 penetrates through the two threaded blocks 33, the first lead screw 29 is screwed to the two threaded blocks 33, internal threads of the two threaded blocks 33 are opposite and slide inside the cross beam 12, because when the fixing plate 13 needs to be placed on top ends of the two luggage racks 11, the cross beam 12 is first placed on the top end of the luggage rack 11, and a position is adjusted so that the luggage rack 11 is placed between the two clamping blocks 32 in an unclamped state, along with the rotation of first lead screw 29, because two the internal thread of screw piece 33 is opposite, then first lead screw 29 can cause two when rotating screw piece 33 is close to each other, then two the grip block 32 is close to each other, finally the grip block 32 centre gripping is to on the lateral wall of luggage rack 11, and then be convenient for fix the fixed spare part of centre gripping fine, and operating procedure retrencies and simple structure, and reasonable centre gripping position sets up the structural strength who has improved the centre gripping position, has avoided not hard up risk.

Specifically, the limiting mechanism 4 includes an operating block 41, a limiting block 42, a second lead screw 43, a sliding key 44, a fifth gear 45, a sixth gear 46, a rotating shaft 47 and a lock main body 48, the operating block 41 is disposed on the outer side of one end of the movable plate 15, the lock main body 48 is disposed at the bottom end of the operating block 41, the lock main body 48 is disposed inside the fixed plate 13, the rotating shaft 47 is fixed at one end of the lock main body 48 located inside the fixed plate 13, the rotating shaft 47 is rotatably connected to the inside of the fixed plate 13, the sixth gear 46 is fixed at the middle part of the fixed plate 13, the fifth gear 45 is engaged with the top end of the sixth gear 46, the second lead screw 43 is fixed at the middle part of the fifth gear 45, the sliding key 44 is disposed between the second lead screw 43 and the fifth gear 45, the second lead screw 43 slides on the fifth gear 45 through the sliding key 44, the second lead screw 43 is connected to the inside of the fixed plate 13 by a thread, the bottom end of the movable plate 15 close to one end of the operation block 41 is fixed with the limit block 42, the limit block 42 is located inside the fixed plate 13, one end of the second lead screw 43 penetrates through the limit block 42, because when the movable plate 15 needs to be uncovered, a key is firstly inserted into the lock main body 48 to rotate, the lock main body 48 drives the rotating shaft 47 to rotate inside the fixed plate 13, the rotating shaft 47 is engaged with the fifth gear 45 through the sixth gear 46 to rotate, the fifth gear 45 enables the second lead screw 43 to slide while rotating through the sliding key 44, the second lead screw 43 will issue displacement inside the fixed plate 13 when rotating, and finally the second lead screw 43 slides inside the limit block 42, and then avoid sealed spare part unexpected the sliding, and then avoided the inside article of supporting mechanism 1 are lost, and the mode of opening through the tool to lock has avoided stolen risk to its safety in utilization has been improved.

Specifically, the fixing mechanism 5 includes a fixing block 51, a winding disc 52, a limiting belt 53, a ratchet wheel 54, a limiting rod 55, a connecting rod 56, a sliding rod 57 and a spring 58, the fixing block 51 is fixed to the top end of the fixing plate 13, the winding disc 52 is rotated in the middle of the fixing block 51, the ratchet wheel 54 is fixed to one end of the winding disc 52, the limiting rod 55 is abutted to the bottom end of the ratchet wheel 54, the other end of the limiting rod 55 rotates inside the fixing block 51, the sliding rod 57 is arranged at the bottom end of the limiting rod 55, the spring 58 is wound on the inside and the side wall of the fixing block 51 in a sliding manner, one end of the spring 58 is fixed to the inside and the other end of the fixing block 51 and is fixed to the inner wall of the sliding rod 57, the connecting rod 56 is rotated between the sliding rod 57 and the limiting rod 55, the limiting belt 53 is wound on the side wall of the winding disc 52, the other end of the limiting belt 53 is detachably connected to the other end of the fixing plate 13, after an article is placed inside the two round tables 14, the limiting belt 53 is placed at the top end of the article, and one end of the limiting belt is fixed at one side of the fixing plate 13, the ratchet wheel 54 is caused to rotate by using a tool, the ratchet wheel 54 drives the winding disc 52 to wind the limiting belt 53, the limiting rod 55 abuts against the side wall of the ratchet wheel 54 while the ratchet wheel 54 rotates, so that the rotation of the ratchet wheel 54 is avoided, the limiting belt 53 is more tightly wound, when the article needs to be taken for use, the ratchet wheel 54 is caused to slightly rotate, the sliding rod 57 is pressed, the sliding rod 57 slides towards the inside of the fixing block 51, and the limiting rod 55 is not abutted against the ratchet wheel 54 through the connecting rod 56, so as to firmly fix the article, the articles are prevented from shaking and being damaged in the running process, and the running safety is improved.

When the automobile luggage rack is used, the two luggage racks 11 are fixed at the top end of the automobile, the four clamping mechanisms 3 on the two cross beams 12 are clamped on the two sides of the two luggage racks 11 by operating the transmission mechanism 2, and then the movable plate 13 is operated to be folded, so that articles can be added or taken between the two circular truncated cones 14, the structural strength of the automobile luggage rack can be further increased under the condition of reducing weight, and the semi-circular appearance design can reduce the wind resistance of the automobile during running while increasing the space for accommodating the articles, so that the attractiveness and the practicability are improved; when the clamping mechanism 3 needs to be operated to clamp and fix, a specific tool is inserted into the fastening block 21, then the operation tool drives the fastening block 21 to rotate, the fastening block 21 drives the worm 22 to be meshed with the worm wheel 23 to rotate, the worm wheel drives the two first gears 24 to synchronously rotate while rotating, the first gears 24 cause the second gears 26 to rotate in the fixing plate 13 through the chains 25, the second gears 26 are meshed with the fourth gears 28 through the third gears 27, so that the two first screw rods 29 synchronously rotate, the clamping mechanism 3 is convenient to move, power can be provided for the four clamping mechanisms 3 at the same time, the traditional complicated steps of operation in sequence are avoided, the operation time is saved, and the installation efficiency is improved; when the fixing plate 13 needs to be arranged at the top ends of the two luggage racks 11, the cross beam 12 is firstly arranged at the top ends of the luggage racks 11, the position is adjusted, so that the luggage racks 11 are arranged between the two clamping blocks 32 in an unclamped state, along with the rotation of the first screw rod 29, because the internal threads of the two thread blocks 33 are opposite, the first screw rod 29 can cause the two thread blocks 33 to be close to each other when rotating, the two clamping blocks 32 are close to each other, and finally the clamping blocks 32 are clamped on the side wall of the luggage racks 11, so that clamped and fixed parts can be well fixed, the operation steps are simplified, the structure is simple, the structural strength of the clamping parts is improved due to reasonable arrangement of the clamping parts, and the risk of looseness is avoided; when the movable plate 15 needs to be uncovered, a key is firstly inserted into the lock main body 48 to rotate, then the lock main body 48 drives the rotating shaft 47 to rotate in the fixed plate 13, the rotating shaft 47 is meshed with the fifth gear 45 through the sixth gear 46 to rotate, the fifth gear 45 enables the second screw rod 43 to rotate and slide through the sliding key 44, the second screw rod 43 can issue displacement in the fixed plate 13 when rotating, and finally the second screw rod 43 slides into the limiting block 42, so that the sealing parts are prevented from sliding accidentally, the loss of articles in the supporting mechanism 1 is avoided, the risk of being stolen is avoided through the mode of opening the lock, and the use safety of the lock is improved; after articles are placed inside the two circular truncated cones 14, the limiting belt 53 is placed at the top end of the articles, one end of the limiting belt 53 is fixed to one side of the fixing plate 13, the ratchet wheel 54 is made to rotate by using a tool, the ratchet wheel 54 drives the winding disc 52 to wind the limiting belt 53, the limiting rod 55 abuts against the side wall of the ratchet wheel 54 while the ratchet wheel 54 rotates, the rotation of the ratchet wheel 54 is avoided, the limiting belt 53 is tighter and tighter, when the articles need to be taken and used, the ratchet wheel 54 slightly rotates, the sliding rod 57 is pressed, the sliding rod 57 slides towards the inside of the fixing block 51, and meanwhile the limiting rod 55 does not abut against the ratchet wheel 54 through the connecting rod 56, so that the articles are firmly fixed, the articles are prevented from being shaken and damaged during running, and the running safety is improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a car luggage rack convenient to fixed article which characterized in that: comprises a supporting mechanism (1), a transmission mechanism (2), a clamping mechanism (3), a limiting mechanism (4) and a fixing mechanism (5), wherein the supporting mechanism (1) used for providing a space for accommodating articles and reducing wind resistance is arranged at the top end of an automobile, the transmission mechanism (2) used for assisting the clamping mechanism (3) to clamp and fix the top end of the automobile is arranged in the supporting mechanism (1), the transmission mechanism (2) is rotatably connected with the supporting mechanism (1) and used for fixing the supporting mechanism (1), the clamping mechanism (3) is arranged in the supporting mechanism (1), the clamping mechanism (3) is connected with the transmission mechanism (2) and used for conveniently opening and closing the internal parts of the supporting mechanism (1) to limit the limiting mechanism (4) in the supporting mechanism (1), the fixing mechanism (5) for fixing the articles in the supporting mechanism (1) is arranged in the supporting mechanism (1);

the supporting mechanism (1) comprises luggage racks (11), cross beams (12), fixed plates (13), round tables (14) and movable plates (15), the fixed plates (13) are arranged at the top ends of the two luggage racks (11), the cross beams (12) are respectively fixed at two ends of each fixed plate (13), the cross beams (12) are arranged at the top ends of the luggage racks (11), the semicircular round tables (14) are respectively fixed at two ends of the top ends of the fixed plates (13), the middle parts of the two round tables (14) are arranged on the movable plates (15), and one ends of the movable plates (15) are fixed at the top ends of the fixed plates (13);

the transmission mechanism (2) comprises a fastening block (21), a worm (22), a worm wheel (23), a first gear (24), a chain (25), a second gear (26), a third gear (27), a fourth gear (28) and a first screw rod (29), the worm wheel (23) and the worm wheel (22) are arranged inside the fixing plate (13), the worm wheel (22) is meshed with the worm wheel (23), the fastening block (21) is fixed to one end of the worm wheel (22), the other end of the fastening block (21) is located on the outer side of the fixing plate (13), the two first gears (24) are fixed to the middle of the worm wheel (23), the second gears (26) are arranged on two sides of the worm wheel (23) respectively, the chain (25) is meshed between the first gears (24) and the second gears (26), and the third gear (27) is fixed to the bottom end of the second gears (26), one side of the third gear (27) is engaged with the fourth gear (28), the middle part of the fourth gear (28) is fixed with the first screw rod (29), and the first screw rod (29) rotates inside the fixed plate (13);

the clamping mechanism (3) comprises sliding grooves (31), clamping blocks (32) and thread blocks (33), the two sliding grooves (31) with cross-shaped sections are respectively arranged in the two ends of the cross beam (12), the clamping blocks (32) slide in the sliding grooves (31), every two clamping blocks (32) are clamped on the side wall of the same luggage rack (11), one thread block (33) is respectively fixed at the top end of each clamping block (32), the first screw rod (29) penetrates through the two thread blocks (33), the first screw rod (29) is in threaded connection with the two thread blocks (33), and the internal threads of the two thread blocks (33) are opposite and slide in the cross beam (12);

the limiting mechanism (4) comprises an operation block (41), a limiting block (42), a second lead screw (43), a sliding key (44), a fifth gear (45), a sixth gear (46), a rotating shaft (47) and a lock main body (48), the operation block (41) is arranged on the outer side of one end of the movable plate (15), the lock main body (48) is arranged at the bottom end of the operation block (41), the lock main body (48) is arranged in the fixed plate (13), the rotating shaft (47) is fixed at one end of the lock main body (48) positioned in the fixed plate (13), the rotating shaft (47) is rotatably connected in the fixed plate (13), the sixth gear (46) is fixed at the middle part of the fixed plate, the fifth gear (45) is meshed at the top end of the sixth gear (46), the second lead screw (43) is fixed at the middle part of the fifth gear (45), the sliding key (44) is arranged between the second screw rod (43) and the fifth gear (45), the second screw rod (43) slides to the fifth gear (45) through the sliding key (44), the second screw rod (43) is in threaded connection with the inside of the fixed plate (13), the bottom end of the movable plate (15) close to one end of the operating block (41) is fixed with the limiting block (42), the limiting block (42) is located inside the fixed plate (13), and one end of the second screw rod (43) penetrates through the inside of the limiting block (42);

the fixing mechanism (5) comprises a fixing block (51), a winding disc (52), a limiting belt (53), a ratchet wheel (54), a limiting rod (55), a connecting rod (56), a sliding rod (57) and a spring (58), the fixing block (51) is fixed at the top end of the fixing plate (13), the winding disc (52) is rotated in the middle of the fixing block (51), the ratchet wheel (54) is fixed at one end of the winding disc (52), the limiting rod (55) is abutted at the bottom end of the ratchet wheel (54), the other end of the limiting rod (55) rotates in the fixing block (51), the sliding rod (57) is arranged at the bottom end of the limiting rod (55), the sliding rod (57) slides in the fixing block (51) and is wound on the side wall of the fixing block (58), one end of the spring (58) is fixed in the fixing block (51) and the other end of the spring is fixed on the inner wall of the sliding rod (57), the connecting rod (56) is rotated between the sliding rod (57) and the limiting rod (55), the limiting belt (53) is wound on the side wall of the winding disc (52), and the other end of the limiting belt (53) is detachably connected to the other end of the fixing plate (13).