Automobile trailer frame convenient to store

Abstract

The utility model discloses an automobile trailer frame convenient to store. The automobile trailer frame comprises a supporting arm and fixing bases, and the two symmetrically-arranged fixing bases are fixedly installed at the front end and the rear end of the right side face of the supporting arm. The top end surface and the bottom end surface of the mounting column are respectively connected with the inner fixed surface and the inner bottom surface of the fixed seat through bearings; the connecting arm is fixedly arranged on the mounting column in a sleeving manner; the folding arm is arranged on the right side of the connecting arm, the folding arm and the connecting arm are detachably connected through a first fixing mechanism, and the folding arm and the connecting arm are stored through a folding mechanism; the wheels are fixedly mounted on the bottom surfaces of the supporting arm and the folding arm; and the second fixing mechanism is arranged on the top surface of the fixing seat. The automobile trailer frame convenient to store can be folded and stored conveniently, the occupied space is small, the carrying convenience is improved, use is convenient, operation is flexible, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile trailer frames, in particular to an automobile trailer frame which is convenient for storage. Background Art

[0002] A car trailer is a tool used to drag a car for movement. It is used to move the car without starting the car. It is often used when the car fails to start and cannot be driven. However, the existing car trailer still has certain defects, such as:

[0003] The "new type of automobile trailer frame" with application number CN201020659869.4 can only store wheels, with poor storage effect and still large size, which is not conducive to folding, storing and carrying, and has limitations in use. In view of this, a car trailer frame that is easy to store is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a car trailer frame which is easy to store, so as to solve the problem that the existing car trailer frame mentioned in the background technology has poor storage effect and is inconvenient to carry.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a car trailer frame that is easy to store, comprising a support arm,

[0006] A fixing seat, two symmetrically arranged fixing seats are fixedly mounted on the front and rear ends of the right side of the support arm;

[0007] A mounting column, the top and bottom end surfaces of the mounting column are respectively connected to the inner fixed surface and inner bottom surface bearings of the fixing seat;

[0008] A connecting arm, wherein the connecting arm is fixedly sleeved on the mounting column;

[0009] A folding arm, the folding arm is arranged on the right side of the connecting arm, the folding arm and the connecting arm are detachably connected via a first fixing mechanism, and the folding arm and the connecting arm are stored via a folding mechanism;

[0010] Wheels, the wheels are fixedly mounted on the bottom surfaces of the support arm and the folding arm;

[0011] The second fixing mechanism is arranged on the top surface of the fixing seat and is used for folding and storing the folding arm and the supporting arm.

[0012] The above technical solution is adopted to facilitate folding and storage, thereby improving the flexibility of use.

[0013] As a preferred technical solution of the utility model, a first magnet is embedded and installed on the outer side surface of the connecting arm, a second magnet is embedded and installed on the outer side surface of the folding arm, and the first magnet is matched with the second magnet.

[0014] The above technical solution is adopted to facilitate folding and fixing the foldable bag with the connecting arm after folding.

[0015] As a preferred technical solution of the utility model, the first fixing mechanism includes:

[0016] A connecting block, the connecting block is fixedly mounted on the left side of the folding arm;

[0017] A connecting groove, which is provided on the right side of the connecting arm and matches with the connecting block;

[0018] An insertion rod, the insertion rod slidingly penetrates from the top surface of the connecting arm into the connecting groove;

[0019] A slot, the slot is opened on the top surface of the connecting block, and the slot is consistent with the insertion rod;

[0020] A first plate, the first plate being fixedly mounted on the top surface of the insertion rod;

[0021] The first tension spring is sleeved on the outside of the insertion rod, and the top and bottom ends of the first tension spring are respectively fixedly connected to the bottom surface of the first plate and the top surface of the connecting arm.

[0022] By adopting the above technical solution, it is convenient to fix the connecting arm and the folding arm through the arrangement of the insertion rod and the slot.

[0023] As a preferred technical solution of the utility model, the folding mechanism includes:

[0024] A connecting plate, wherein two symmetrically arranged connecting plates are respectively connected to the top surface and the bottom surface of the connecting arm through shaft rotation, and the connecting plates are located on the right side of the insertion rod;

[0025] A through slot, the through slot is opened through the connecting plate;

[0026] The two sliding posts symmetrically arranged are respectively fixedly mounted on the top surface and the bottom surface of the folding arm, and the sliding posts penetrate the through slot, and the diameter of the sliding posts is consistent with the width of the through slot.

[0027] The adoption of the technical solution facilitates the guarantee that the folding arm can be rotated and folded outwards.

[0028] As a preferred technical solution of the utility model, the second fixing mechanism includes:

[0029] A locking rod, the locking rod being slidably disposed through the top surface of the fixing seat;

[0030] A locking groove, the locking groove is formed on the top surface of the mounting column, and the locking groove is matched with the locking rod;

[0031] A second flat plate, the second flat plate is fixedly mounted on the top end of the locking rod;

[0032] The second tension spring is sleeved on the outer side of the locking rod, and the two ends of the top end of the second tension spring are respectively fixedly connected to the bottom surface of the second flat plate and the top surface of the fixing seat.

[0033] By adopting the above technical solution, it is convenient to fix the connecting arm through the arrangement of the locking rod and the locking groove.

[0034] As a preferred technical solution of the present utility model, the structural shape of the locking rod is a regular quadrangular prism.

[0035] The above technical solution is adopted to ensure the fixed position of the connecting arm and avoid the deflection of the connecting arm.

[0036] Compared with the prior art, the utility model has the following beneficial effects: the automobile trailer frame that is easy to store can be easily folded and stored, occupies a small volume of space, improves the convenience of carrying, is easy to use, is flexible to operate, and is highly practical;

[0037] 1. The connecting arm and the folding arm can be fixed in the same length direction by the cooperation of the insertion rod and the slot, and the connecting arm and the supporting arm can be kept vertical by the setting of the locking rod and the locking slot, so as to ensure the use;

[0038] 2. After the insertion rod is moved out of the slot, the folding arm is moved to the right, the connecting block is moved out of the connecting slot, and the sliding column is moved to the right in the through slot. Then, the folding arm can be rotated and folded toward the outer end, so that the outer side surface of the connecting arm fits with the outer side of the folding arm, and the connecting arm and the folding arm are fixed by the first magnet and the second magnet;

[0039] 3. After the locking rod moves out of the locking slot, rotate the connecting arm inward so that the connecting arm is parallel to the supporting arm, insert the locking rod into the locking slot again to fix the connecting arm, thereby achieving folding and storage, improving the flexibility of use, and making it easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 This is a schematic diagram of the top view structure of the utility model;

[0041] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0042] Figure 3This is a schematic diagram of the main cross-sectional connection structure of the connection block and the connection groove of the utility model;

[0043] Figure 4 This is a schematic diagram of the front cross-sectional connection structure between the lock rod and the lock slot of the utility model;

[0044] Figure 5 This is a schematic diagram of the three-dimensional connection structure of the installation column, the connecting arm and the fixing seat of the utility model;

[0045] Figure 6 It is a schematic diagram of the structure of the utility model when it is folded and stored.

[0046] In the figure: 1. support arm; 2. fixing seat; 3. mounting column; 4. connecting arm; 5. folding arm; 6. wheel; 7. first magnet; 8. second magnet; 9. connecting block; 10. connecting groove; 11. plug rod; 12. slot; 13. first flat plate; 14. first tension spring; 15. connecting plate; 16. through groove; 17. sliding column; 18. locking rod; 19. locking groove; 20. second flat plate; 21. second tension spring. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0048] See also Figure 1-6 The technical solution of the utility model is as follows: a car trailer frame that is easy to store, comprising a support arm 1, two symmetrically arranged fixing seats 2 fixedly installed at the front and rear ends of the right side of the support arm 1, the top and bottom end surfaces of the mounting column 3 are respectively connected to the inner fixed surface and the inner bottom surface bearing of the fixing seat 2, the connecting arm 4 is fixedly sleeved on the mounting column 3, the folding arm 5 is arranged on the right side of the connecting arm 4, and the folding arm 5 is detachably connected with the connecting arm 4 through a first fixing mechanism, and the folding arm 5 and the connecting arm 4 are stored through a folding mechanism, and the wheel 6 is fixedly installed on the bottom surface of the support arm 1 and the folding arm 5;

[0049] A first magnet 7 is embedded and installed on the outer side surface of the connecting arm 4, and a second magnet 8 is embedded and installed on the outer side surface of the folding arm 5, and the first magnet 7 is matched with the second magnet 8;

[0050] The connecting block 9 is fixedly installed on the left side of the folding arm 5, the connecting groove 10 is opened on the right side of the connecting arm 4, and the connecting groove 10 is consistent with the connecting block 9, the plug rod 11 slides from the top surface of the connecting arm 4 to the connecting groove 10, the slot 12 is opened on the top surface of the connecting block 9, and the slot 12 is consistent with the plug rod 11, the first plate 13 is fixedly installed on the top surface of the plug rod 11, the first tension spring 14 is sleeved on the outside of the plug rod 11, and the top and bottom ends of the first tension spring 14 are respectively fixedly connected to the bottom surface of the first plate 13 and the top surface of the connecting arm 4;

[0051] The two symmetrically arranged connecting plates 15 are respectively connected to the top and bottom surfaces of the connecting arm 4 through the shaft rotation, and the connecting plate 15 is located on the right side of the plug rod 11. The through slot 16 is opened through the connecting plate 15. The two symmetrically arranged sliding posts 17 are respectively fixedly installed on the top and bottom surfaces of the folding arm 5, and the sliding posts 17 are arranged through the through slot 16. At the same time, the diameter of the sliding posts 17 is consistent with the width of the through slot 16.

[0052] The locking rod 18 is slidably arranged through the top surface of the fixing seat 2, the locking groove 19 is opened on the top surface of the mounting column 3, and the locking groove 19 coincides with the locking rod 18, the second plate 20 is fixedly installed on the top end of the locking rod 18, the second tension spring 21 is sleeved on the outside of the locking rod 18, and the two ends of the top end of the second tension spring 21 are respectively fixedly connected to the bottom surface of the second plate 20 and the top surface of the fixing seat 2, and the structural shape of the locking rod 18 is a regular quadrangular prism.

[0053] Working principle: When storing, the insertion rod 11 is pulled upward to move the insertion rod 11 out of the slot 12. At this time, the folding arm 5 can be pulled to the right to move the connecting block 9 out of the connecting slot 10. At the same time, the sliding column 17 moves to the right in the through slot 16. After the connecting block 9 moves out of the connecting slot 10, the folding arm 5 can be rotated and folded outward to ensure that the outer side surface of the folding arm 5 is in contact with the outer side surface of the connecting arm 4, and the connecting arm 4 and the folding arm 5 are stored and fixed by the action of the first magnet 7 and the second magnet 8;

[0054] Then the locking rod 18 is moved upward out of the locking groove 19. At this time, the connecting arm 4 can be rotated and folded inward so that the connecting arm 4 and the support arm 1 are horizontal. The locking rod 18 is inserted into the locking groove 19 again to fix the connecting arm 4 again, thereby achieving folding and storage. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0055] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A car trailer frame that is easy to store, comprising a support arm (1), characterized in that: Also includes: A fixing seat (2), wherein two fixing seats (2) are symmetrically arranged and fixedly mounted on the front and rear ends of the right side of the support arm (1); A mounting column (3), the top and bottom end surfaces of the mounting column (3) being respectively connected to the inner fixed surface and the inner bottom surface bearing of the fixing seat (2); A connecting arm (4), wherein the connecting arm (4) is fixedly sleeved on the mounting column (3); A folding arm (5), the folding arm (5) being arranged on the right side of the connecting arm (4), the folding arm (5) and the connecting arm (4) being detachably connected via a first fixing mechanism, and the folding arm (5) and the connecting arm (4) being stored via a folding mechanism; Wheels (6), the wheels (6) being fixedly mounted on the bottom surfaces of the support arm (1) and the folding arm (5); A second fixing mechanism, the second fixing mechanism is arranged on the top surface of the fixing seat (2), and is used for folding and storing the folding arm (5) and the supporting arm (1).

2. The car trailer frame that is easy to store according to claim 1, characterized in that: A first magnet (7) is embedded and installed on the outer side surface of the connecting arm (4), and a second magnet (8) is embedded and installed on the outer side surface of the folding arm (5), and the first magnet (7) is matched with the second magnet (8).

3. The car trailer frame that is easy to store according to claim 1, characterized in that: The first fixing mechanism comprises: A connecting block (9), the connecting block (9) being fixedly mounted on the left side of the folding arm (5); A connecting groove (10), wherein the connecting groove (10) is provided on the right side surface of the connecting arm (4), and the connecting groove (10) is matched with the connecting block (9); An insertion rod (11), the insertion rod (11) slidingly penetrates from the top surface of the connecting arm (4) into the connecting groove (10); A slot (12), wherein the slot (12) is provided on the top surface of the connecting block (9), and the slot (12) is matched with the insertion rod (11); A first flat plate (13), the first flat plate (13) being fixedly mounted on the top surface of the insertion rod (11); A first tension spring (14), wherein the first tension spring (14) is sleeved on the outside of the insertion rod (11), and the top and bottom ends of the first tension spring (14) are respectively fixedly connected to the bottom surface of the first plate (13) and the top surface of the connecting arm (4).

4. The car trailer frame that is easy to store according to claim 3, characterized in that: The folding mechanism comprises: A connecting plate (15), wherein two symmetrically arranged connecting plates (15) are respectively connected to the top surface and the bottom surface of the connecting arm (4) by shaft rotation, and the connecting plates (15) are located on the right side of the insertion rod (11); A through groove (16), the through groove (16) is formed through the connecting plate (15); A slide column (17), wherein two slide columns (17) are symmetrically arranged and fixedly mounted on the top surface and the bottom surface of the folding arm (5), respectively, and the slide column (17) passes through the through slot (16), and the diameter of the slide column (17) is consistent with the width of the through slot (16).

5. The car trailer frame that is easy to store according to claim 1, characterized in that: The second fixing mechanism comprises: A locking rod (18), wherein the locking rod (18) is slidably disposed through the top surface of the fixing seat (2); A locking groove (19), wherein the locking groove (19) is formed on the top surface of the mounting column (3), and the locking groove (19) is matched with the locking rod (18); A second plate (20), the second plate (20) being fixedly mounted on the top end of the locking rod (18); A second tension spring (21), wherein the second tension spring (21) is sleeved on the outer side of the locking rod (18), and the top ends of the second tension spring (21) are respectively fixedly connected to the bottom surface of the second plate (20) and the top surface of the fixing seat (2).

6. The car trailer frame that is easy to store according to claim 5, characterized in that: The locking rod (18) has a structural shape of a regular quadrangular prism.

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