CN220996252U

CN220996252U - Automobile compartment tarpaulin winding and unwinding devices

Info

Publication number: CN220996252U
Application number: CN202321780042.2U
Authority: CN
Inventors: 赵卫亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-05-24
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses an automobile compartment tarpaulin retraction device, which comprises a lower frame, wherein an upper frame is arranged above the lower frame, upright posts are fixedly arranged at four corners between the upper frame and the lower frame respectively, guide sleeves are fixedly arranged at the upper parts of the upright posts, and an upper lifting chain wheel and a lower lifting chain wheel are arranged at the lower parts of the upright posts, and the beneficial effects are that: the sliding frame is clamped on the sliding rod, the pulley is supported on the sliding rod in a rolling way to ensure the sliding degree of the sliding frame, and the sliding frame is driven by the zipper to retract and release the tarpaulin, so that the operation is convenient, the tarpaulin is not required to be frequently disassembled, and the labor is saved; the driving motor is arranged to drive the tarpaulin to lift, so that the use of different goods at different heights is satisfied, the storage space of the carriage can be improved, and the utilization efficiency of the carriage is further improved; the driving motor is arranged to drive in a worm and gear transmission mode, so that the suspension of any lifting position can be realized while the lifting of the transmission is ensured, and the phenomenon that the upright post is affected by the dead weight of the sliding frame and the tarpaulin to slide downwards is avoided.

Description

Automobile compartment tarpaulin winding and unwinding devices

Technical Field

The utility model relates to the technical field of automobile carriages, in particular to an automobile carriage tarpaulin retraction device.

Background

The open wagon is generally covered with tarpaulin at the top, so that the sun-shading and rain-shielding effects can be achieved.

However, when carrying out the installation of tarpaulin, generally need the workman throw away the rope on the tarpaulin to the opposite side from one side of carriage, have the workman to draw the rope to carry out the expansion of tarpaulin through the both sides station, the installation is very inconvenient, and need dismantle after each time using, increased workman's amount of labour, still some carriages adopt tarpaulin winding and unwinding devices to realize the winding and unwinding to the tarpaulin, alleviateed the amount of labour, but its winding and unwinding devices receive and releases easily the card, manual operation is more laborious, and tarpaulin cover height is fixed moreover can not be according to the lift adjustment of loading condition, can not satisfy the user demand.

Disclosure of utility model

The utility model aims to solve the defects that the tarpaulin mounting process is very inconvenient, the tarpaulin needs to be disassembled after each use and the labor capacity of workers is increased in the prior art, and provides an automobile carriage tarpaulin folding and unfolding device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The automobile compartment tarpaulin retraction device comprises a lower frame, wherein an upper frame is arranged above the lower frame, upright posts are fixedly arranged at four corners between the upper frame and the lower frame respectively, guide sleeves are fixedly arranged at the upper parts of the upright posts, an upper lifting chain wheel and a lower lifting chain wheel are arranged at the lower parts of the upright posts, and lifting transmission chains are sleeved on the upper lifting chain wheel and the lower lifting chain wheel; the telescopic chain comprises an upper frame, a lower frame, a guide sleeve, a support beam, a chain box, a chain, a first rotating shaft, a second rotating shaft, a chain box and a zipper, wherein the guide sleeve is internally provided with the telescopic column, the upper end of the telescopic column is fixedly provided with two support beams which are arranged in parallel, the support beams are respectively arranged at the front edge position and the rear edge position of the upper frame, the left end and the right end of the support beam are respectively provided with the first chain wheel and the second chain wheel through bearings, the first chain wheel and the second chain wheel are sleeved with the first driving chain, the position of the support beam corresponding to the second chain wheel is provided with the first rotating shaft, the front end and the rear end of the first rotating shaft are respectively fixedly connected with the core shaft of the first chain wheel, and the first rotating shaft and the core shaft of the first chain wheel are coaxially arranged; a sliding rod is fixedly arranged above the supporting beam, a sliding frame group is movably clamped on the sliding rod, the sliding frame group comprises a movable sliding frame, a plurality of middle sliding frames and a fixed sliding frame, the movable sliding frame is fixedly connected with the first transmission chain through a first connecting block, the fixed sliding frame is fixedly connected with the supporting beam through a second connecting block, and adjacent sliding frames are connected through a connecting mechanism; the telescopic column lower extreme through the third connecting block with promote drive chain fixed connection, lower frame left and right sides top corresponds respectively the dabber position of lifting sprocket down is provided with the second pivot, both ends around the second pivot respectively with the dabber fixed connection of lifting sprocket down, the second pivot with the dabber coaxial setting of lifting sprocket down, two second pivots are gone up respectively fixed mounting has third sprocket and worm wheel, two the second drive chain drive connection is established through the cover to the third sprocket, correspond on the lower frame worm wheel position fixed mounting has the support frame, install the worm through the bearing on the support frame, the worm with worm wheel cooperation is connected, fixed mounting has driving motor on the lower frame, driving motor's output with worm fixed connection.

Preferably: two pulleys are respectively arranged on the movable sliding frame, the sliding rods are correspondingly arranged on the upper part and the lower part of the movable sliding frame, supporting rods are fixedly arranged on the movable sliding frame, and the middle sliding frame and the fixed sliding frame are identical to the movable sliding frame in structure.

Preferably: the connecting mechanism comprises a first rotating rod, a second rotating rod and a riding wheel, wherein the upper ends of the first rotating rod and the second rotating rod are rotationally connected, the opening and closing angles of the first rotating rod and the second rotating rod are 5-120 degrees, the riding wheel is fixedly installed on the rotating shafts of the first rotating rod and the second rotating rod, and the lower ends of the first rotating rod and the second rotating rod are respectively rotationally connected to two adjacent sliding racks.

Preferably: the mandrel of the first sprocket is arranged on the supporting beam through a bearing, and a supporting roller is fixedly arranged on the mandrel of the first sprocket.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the sliding frame is clamped on the sliding rod, the pulley is supported on the sliding rod in a rolling way to slide, so that the sliding smoothness of the sliding frame is ensured, the tarpaulin can be folded and unfolded through the driving of the zipper, the operation is convenient, the tarpaulin is not required to be frequently disassembled, and the labor is saved;

According to the utility model, the driving motor is arranged to drive the awning cloth to lift, so that the goods are used at different heights, the storage space of the carriage can be improved, and the utilization efficiency of the carriage is further improved;

According to the utility model, the driving motor is arranged to drive in a worm and gear transmission mode, so that the suspension of any lifting position can be realized while the driving lifting is ensured, and the phenomenon that the upright post is affected by the dead weight of the sliding frame and the tarpaulin to slide down is avoided.

Drawings

Fig. 1 is a schematic perspective view of an automobile compartment tarpaulin retraction device according to the present utility model.

Fig. 2 is a schematic diagram of a partial structure of an automobile compartment tarpaulin retraction device according to the present utility model.

Fig. 3 is a lifting working principle diagram of the tarpaulin retraction device for the automobile compartment.

Fig. 4 is a schematic drawing of the folding and unfolding operation of the folding and unfolding device for car compartment tarpaulin according to the present utility model.

In the figure:

1. A lower frame; 2. a column; 3. an upper frame; 4. a telescopic column; 5. guide sleeve; 6. a support beam; 7. a slide bar; 8. supporting rollers; 9. a first sprocket; 10. a first drive chain; 11. a movable carriage; 12. a first connection block; 13. a support rod; 14. a connecting mechanism; 141. a first rotating lever; 142. a second rotating rod; 143. a riding wheel; 15. a pulley; 16. a chain case; 17. a second sprocket; 18. a first rotating shaft; 19. an intermediate carriage; 20. fixing the sliding frame; 21. a second connection block; 22. a zipper; 23. a third connecting block; 24. an upper lifting sprocket; 25. lifting a transmission chain; 26. a lower lifting sprocket; 27. a third sprocket; 28. a second rotating shaft; 29. a second drive chain; 30. a worm wheel; 31. a support frame; 32. a worm; 33. and driving the motor.

Description of the embodiments

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.

The invention is further described below with reference to the accompanying drawings:

As shown in fig. 1-2, the utility model provides an automobile compartment tarpaulin retraction device, which comprises a lower frame 1, wherein an upper frame 3 is arranged above the lower frame 1, upright posts 2 are fixedly arranged at four corners between the upper frame 3 and the lower frame 1 respectively, the lower frame 1, the upright posts 2 and the upper frame 3 form a compartment frame body, the change of the compartment structure is reduced, a guide sleeve 5 is fixedly arranged at the upper part of the upright posts 2, an upper lifting chain wheel 24 and a lower lifting chain wheel 26 are arranged at the lower part of the upright posts 2, and lifting transmission chains 25 are sleeved on the upper lifting chain wheel 24 and the lower lifting chain wheel 26; the telescopic column 4 is inserted into the guide sleeve 5, the guide sleeve 5 achieves the guiding effect on the telescopic column 4, two parallel supporting beams 6 are fixedly arranged at the upper end of the telescopic column 4, the supporting beams 6 are respectively arranged at the front edge and the rear edge of the upper frame 3, a first chain wheel 9 and a second chain wheel 17 are respectively arranged at the left end and the right end of each supporting beam 6 through bearings, a first transmission chain 10 is sleeved on each of the first chain wheel 9 and the second chain wheel 17, a first rotating shaft 18 is arranged between the supporting beams 6 and corresponds to the position of the second chain wheel 17, the front end and the rear end of each first rotating shaft 18 are respectively fixedly connected with the core shaft of the corresponding first chain wheel 9, the first rotating shaft 18 and the core shaft of the corresponding first chain wheel 9 are coaxially arranged, a chain box 16 and a zipper 22 which is matched with the chain box 16 to pull the first rotating shaft 18 to rotate are fixedly arranged on the first rotating shaft 18, and the chain box 16 and the zipper 22 adopt the structures of the chain box 16 and the zipper 22 of the conventional hand-pulled window roller shutter; a sliding rod 7 is fixedly arranged above the supporting beam 6, the sliding rod 7 plays a role of a guide rail, a sliding frame group is movably clamped on the sliding rod 7, the sliding frame group comprises a movable sliding frame 11, four middle sliding frames 19 and a fixed sliding frame 20, the movable sliding frame 11 is fixedly connected with a first transmission chain 10 through a first connecting block 12, the fixed sliding frame 20 is fixedly connected with the supporting beam 6 through a second connecting block 21, and adjacent sliding frames are connected through a connecting mechanism 14; the lower extreme of flexible post 4 is through third connecting block 23 and lifting drive chain 25 fixed connection, the upper left and right sides top of lower frame 1 is provided with second pivot 28 corresponding respectively lower lifting sprocket 26's dabber position, the front and back both ends of second pivot 28 respectively with lower lifting sprocket 26's dabber fixed connection, second pivot 28 and lower lifting sprocket 26's dabber coaxial arrangement, there are third sprocket 27 and worm wheel 30 respectively fixed mounting on two left and right sides second pivots 28, two third sprocket 27 are through overlapping second drive chain 29 transmission connection, corresponding worm wheel 30 fixed mounting has support frame 31 on the lower frame 1, install worm 32 through the bearing on the support frame 31, worm 32 and worm wheel 30 cooperation are connected, fixed mounting has driving motor 33 on the lower frame 1, driving motor 33's output and worm 32 fixed connection.

Two pulleys 15 are respectively arranged on the movable sliding frame 11 up and down corresponding to the sliding rods 7, supporting rods 13 for supporting tarpaulin are fixedly arranged on the two movable sliding frames 11 corresponding to the front sliding frame and the rear sliding frame, and the middle sliding frame 19 and the fixed sliding frame 20 are identical to the movable sliding frame 11 in structure.

The connecting mechanism 14 comprises a first rotating rod 141, a second rotating rod 142 and a supporting wheel 143, the upper ends of the first rotating rod 141 and the second rotating rod 142 are rotationally connected, the opening and closing angle range of the first rotating rod 141 and the second rotating rod 142 is 5-120 degrees, the opening and closing of the connecting mechanism 14 are guaranteed, the folding and unfolding of the sliding frames are realized, the supporting wheel 143 is fixedly installed on the rotating shafts of the first rotating rod 141 and the second rotating rod 142, the supporting wheel 143 is used for supporting the folding and unfolding of tarpaulin, and the lower ends of the first rotating rod 141 and the second rotating rod 142 are rotationally connected to two adjacent sliding frames respectively.

The dabber of first sprocket 9 passes through the bearing and installs on supporting beam 6, and the dabber fixed mounting of first sprocket 9 has supporting roller 8, and supporting roller 8 supports the tarpaulin, guarantees that the tarpaulin rolls when collecting the tarpaulin after covering downwards at last frame 3 left end, avoids being influenced by tarpaulin hook and receive and releases and go on.

Working principle: 3-4, when the awning cloth is used, the awning cloth is put on the device of the utility model, the driving motor 33 is started to drive the worm 32 to rotate, the worm wheel 30 and the worm 32 are matched for transmission, the second rotating shaft 28 is rotated, the awning cloth is matched with the second transmission chain 29 for transmission through the third chain wheel 27, the four lower lifting chain wheels 26 are driven to rotate, and the lifting transmission chain 25 drives the upright post 2 to ascend or descend to realize adjustment of the covering height of the awning cloth; the first rotating shaft 18 is driven to rotate by pulling the zipper 22, so that the second chain wheel 17 rotates, the movable sliding frame 11 is pulled by the first transmission chain 10 to slide on the sliding rod 7, the pulley 15 is supported in a rolling way, the sliding smoothness is guaranteed, in the process, after being pulled by the previous sliding frame, the first rotating rod 141 and the second rotating rod 142 rotate to the limit of the opening angle, then the next sliding frame is pulled to slide, the sliding frame is sequentially pulled to open, and tarpaulin supported by the supporting wheel 143 and the supporting rod 13 above the sliding frame is completely unfolded to realize the covering use.

The supporting roller 8, the first sprocket 9, the first driving chain 10, the second sprocket 17, the zipper 22, the upper lifting sprocket 24, the lifting driving chain 25, the lower lifting sprocket 26, the third sprocket 27, the second driving chain 29, the worm wheel 30, the worm 32 and the driving motor 33 are all common standard components or components known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through conventional experimental methods, so that they are not described herein.

While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present utility model, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. An automobile compartment tarpaulin winding and unwinding devices, its characterized in that: the lifting device comprises a lower frame (1), an upper frame (3) is arranged above the lower frame (1), upright posts (2) are fixedly arranged at four corners between the upper frame (3) and the lower frame (1) respectively, guide sleeves (5) are fixedly arranged on the upper parts of the upright posts (2), an upper lifting chain wheel (24) and a lower lifting chain wheel (26) are arranged on the lower parts of the upright posts (2), and lifting transmission chains (25) are sleeved on the upper lifting chain wheel (24) and the lower lifting chain wheel (26); the telescopic chain comprises an upper frame (3), a lower frame (9) and a lower frame (9), wherein a telescopic column (4) is inserted into a guide sleeve (5), two parallel support beams (6) are fixedly arranged at the upper ends of the telescopic column (4), the support beams (6) are respectively arranged at the front edge position and the rear edge position of the upper frame (3), a first chain wheel (9) and a second chain wheel (17) are respectively arranged at the left end and the right end of the support beams (6) through bearings, a first transmission chain (10) is sleeved on the first chain wheel (9) and the second chain wheel (17), a first rotating shaft (18) is arranged between the support beams (6) corresponding to the position of the second chain wheel (17), the front end and the rear end of the first rotating shaft (18) are respectively fixedly connected with a mandrel of the first chain wheel (9), the first rotating shaft (18) and the mandrel of the first chain wheel (9) are coaxially arranged, and a chain box (16) and a zipper (22) which is matched with the chain box (16) to pull the first rotating shaft (18) to rotate are fixedly arranged on the first rotating shaft (18); a sliding rod (7) is fixedly arranged above the supporting beam (6), a sliding frame group is movably clamped on the sliding rod (7), the sliding frame group comprises a movable sliding frame (11), a plurality of middle sliding frames (19) and a fixed sliding frame (20), the movable sliding frame (11) is fixedly connected with the first transmission chain (10) through a first connecting block (12), the fixed sliding frame (20) is fixedly connected with the supporting beam (6) through a second connecting block (21), and adjacent sliding frames are connected through a connecting mechanism (14); the telescopic column (4) lower extreme through third connecting block (23) with promote drive chain (25) fixed connection, lower frame (1) left and right sides top corresponds respectively the dabber position of lower promotion sprocket (26) is provided with second pivot (28), both ends around second pivot (28) respectively with the dabber fixed connection of lower promotion sprocket (26), second pivot (28) with the dabber coaxial setting of lower promotion sprocket (26), left and right sides is fixed mounting respectively on second pivot (28) has third sprocket (27) and worm wheel (30), two third sprocket (27) are through overlapping establish second drive chain (29) transmission connection, correspond on lower frame (1) worm wheel (30) position fixed mounting has support frame (31), install worm (32) through the bearing on support frame (31), worm (32) with worm wheel (30) cooperation is connected, fixed mounting has driving motor (33) on lower frame (1) output and worm (32) fixed connection.

2. An automobile compartment tarpaulin retraction device according to claim 1, wherein: two pulleys (15) are respectively arranged on the movable sliding frame (11) corresponding to the sliding rods (7) up and down, supporting rods (13) are fixedly arranged on the movable sliding frame (11) corresponding to the two sliding frames (11) in front and back, and the structures of the middle sliding frame (19) and the fixed sliding frame (20) are the same as those of the movable sliding frame (11).

3. An automobile compartment tarpaulin retraction device according to claim 1, wherein: the connecting mechanism (14) comprises a first rotating rod (141), a second rotating rod (142) and a riding wheel (143), wherein the first rotating rod (141) is rotationally connected with the upper end of the second rotating rod (142), the opening and closing angles of the first rotating rod (141) and the second rotating rod (142) are 5-120 degrees, the riding wheel (143) is fixedly installed on the rotating shafts of the first rotating rod (141) and the second rotating rod (142), and the lower ends of the first rotating rod (141) and the second rotating rod (142) are respectively rotationally connected to two adjacent sliding racks.

4. An automobile compartment tarpaulin retraction device according to claim 1, wherein: the mandrel of the first sprocket (9) is arranged on the supporting beam (6) through a bearing, and a supporting roller (8) is fixedly arranged on the mandrel of the first sprocket (9).