A car anti-loosening u-shaped bolt assembly

Abstract

The utility model belongs to U type bolt technical field especially relates to a kind of automobile anti-loose U type bolt assembly, including U type bolt main body, two first thread grooves are set in the outside of U type bolt main body, two second thread grooves are set in the outside of U type bolt main body, the outside of two first thread grooves is all threadedly connected with first nut, the outside of two second thread grooves is all threadedly connected with second nut;First gasket, the first gasket sleeve is connected in the outside of U type bolt main body, the first gasket is between first nut and second nut, the both sides of the first gasket are fixedly connected with box body;Two groups of moving components, two groups of moving components are respectively arranged in the outside of two box bodies, and for driving four moving rods to move simultaneously, by being arranged above structure, first nut and second nut can be fixed, avoid the phenomenon that U type bolt main body appears loose occurs, to further facilitate staff use.

Description

Technical Field

[0001] This utility model belongs to the field of U-bolt technology, and in particular relates to an anti-loosening U-bolt assembly for automobiles. Background Technology

[0002] U-bolts are non-standard fasteners, named for their resemblance to the letter "U." They feature threaded ends and can be used with nuts and washers. Primarily used to secure tubular objects (such as water pipes and conduits) or sheet-like objects (such as automotive leaf springs and mechanical components), they achieve a stable connection through their encasing structure. Materials include carbon steel (such as Q235A and Q345B), alloy steel, and stainless steel (such as 304 and 316L). Surface treatments include galvanizing and Dacromet coating to meet rust prevention requirements in various environments. They come in various sizes and specifications, commonly marked as "U-bolt + pipe outer diameter + standard number" (e.g., U-bolt 25 JB / ZQ 4321-97). Standard thread sizes range from M6 to M32, and custom-made non-standard parts are also available. Due to their flexibility, high strength, and ease of assembly and disassembly, these bolts are widely used in construction, vehicle and shipbuilding, bridge and tunnel construction, and machinery manufacturing, becoming a key component in connection and fixation applications.

[0003] For example, Chinese patent CN214578205U discloses a U-bolt, comprising: two threaded rods and a middle rod perpendicularly connected between the two threaded rods. The upper end face of the middle rod is flat, and along the width direction, both sides of the upper end of the middle rod protrude outward to form protrusions. The cross-section of the middle rod is wider at the top and narrower at the bottom, and an inclined surface is provided between the protrusions and the bottom surface of the middle rod. This U-bolt is forged, and compared to standard parts, it has high structural strength, wear resistance, and good reliability. Because the upper end face of the middle rod of the U-bolt is flat, the contact area with the cross links of the chain is large when fixing them, resulting in a firm fixation. Since both sides of the upper end of the middle rod protrude outward to form protrusions, and the cross-section of the middle rod is wider at the top and narrower at the bottom, this structure not only enhances the structural strength of the U-bolt, but also allows the protrusions to contact the cross links, further increasing the contact area and making the chain fixation even more secure.

[0004] The above-mentioned patent has the following problems: In actual use, it does not have the function of preventing loosening, which causes the bolt to be subjected to the impact of vehicle bumps and alternating loads for a long time. After the bolt preload decreases, it will cause lateral misalignment and longitudinal movement between the steel leaf springs, which will cause the central bolt to be subjected to abnormal shear stress and increase the risk of breakage. In view of this, we propose an automotive anti-loosening U-bolt assembly. Utility Model Content

[0005] The purpose of this utility model is to provide an anti-loosening U-bolt assembly for automobiles to solve the problems mentioned in the background art.

[0006] In view of this, the present invention provides an anti-loosening U-bolt assembly for automobiles, including a U-bolt body, two first threaded grooves on the outside of the U-bolt body, two second threaded grooves on the outside of the U-bolt body, a first nut threaded to the outside of each of the two first threaded grooves, and a second nut threaded to the outside of each of the two second threaded grooves.

[0007] The first washer is sleeved on the outside of the U-bolt body. The first washer is located between the first nut and the second nut. Both sides of the first washer are fixedly connected to a housing. Two symmetrically distributed moving rods are slidably installed on one side of each housing. All four moving rods slide to the outside of the housing. A fixing block is fixedly connected to one side of each of the four moving rods.

[0008] Two sets of moving components are respectively disposed outside the two housings and are used to drive four moving rods to move simultaneously.

[0009] In this technical solution, the two ends of the U-bolt body are first passed through the car leaf spring and the axle in sequence. Then, the first washer is attached to the surface of the axle. Then, the first nut and the second nut are rotated. At this time, the first nut and the second nut can fix the car leaf spring and the axle. The friction can be increased by the second washer and the inclined groove opened on the second washer, so as to prevent the U-bolt body from loosening.

[0010] By gripping the handle and turning it, the threaded rod rotates. The rotation of the threaded rod causes the threaded sleeve, connecting plate, moving rod, and fixing block to move. The wedge-shaped groove of the fixing block engages with the first nut and the second nut. When the threaded sleeve moves, it causes the slider to slide outside the sliding rod, making the threaded sleeve more stable during movement. Through the above structure, the first nut and the second nut can be fixed, preventing the U-bolt body from loosening and making it easier for workers to use.

[0011] In the above technical solution, the first thread groove and the second thread groove have opposite helical directions.

[0012] In this technical solution, by having the first threaded groove and the second threaded groove have opposite helical directions, the first nut and the second nut can move in opposite directions.

[0013] In the above technical solution, further, the top and bottom of the first gasket are fixedly connected to two symmetrically distributed second gaskets, and the top and bottom of the four second gaskets are all provided with inclined grooves.

[0014] In this technical solution, the friction force can be increased by setting a second gasket and opening a groove on the second gasket, so as to prevent the U-bolt body from becoming loose.

[0015] In the above technical solution, the movable component further includes a threaded rod, which is rotatably installed inside the housing. The threaded rod is externally threaded with a threaded sleeve, and the top and bottom of the threaded sleeve are fixedly connected with connecting plates. The two connecting plates are respectively fixedly connected to the two movable rods.

[0016] In this technical solution, the rotation of the threaded rod can drive the threaded sleeve, connecting plate, moving rod and fixed block to move, and the wedge groove of the fixed block is in contact with the first nut and the second nut.

[0017] In the above technical solution, a rotating handle is rotatably installed at one end of the housing, and one end of the rotating handle is fixedly connected to the threaded rod. The rotating handle is made of rubber.

[0018] In this technical solution, the comfort of workers holding the shaft handle is improved by using a rubber handle.

[0019] In the above technical solution, further, two symmetrically distributed slide rods are fixedly connected inside the box body, and sliders are slidably installed on the outside of both slide rods, and the sliders are fixedly connected to the threaded sleeves.

[0020] In this technical solution, when the threaded sleeve moves, it causes the slider to slide outside the slide rod, which makes the threaded sleeve more stable when moving.

[0021] In the above technical solution, a wedge-shaped groove is further provided on one side of the fixing block, and the wedge-shaped groove is adapted to the first nut and the second nut.

[0022] In this technical solution, the wedge-shaped groove can be used to fit the first nut and the second nut.

[0023] The beneficial effects of this utility model are:

[0024] 1. First, pass both ends of the U-bolt body through the car leaf spring and axle in sequence. Then, fit the first washer against the surface of the axle. Next, rotate the first nut and the second nut. At this time, the first nut and the second nut can fix the car leaf spring and axle. The second washer and the inclined groove on the second washer can increase the friction and prevent the U-bolt body from loosening.

[0025] 2. By gripping the handle and rotating it, the threaded rod will rotate. The rotation of the threaded rod will move the threaded sleeve, connecting plate, moving rod, and fixing block. The wedge-shaped groove of the fixing block will engage with the first nut and the second nut. When the threaded sleeve moves, it will cause the slider to slide outside the sliding rod, making the threaded sleeve more stable during movement. With the above structure, the first nut and the second nut can be fixed, preventing the U-bolt body from loosening, thus facilitating the use by the staff. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0028] Figure 3 This is a partial cross-sectional view of the overall structure of this utility model;

[0029] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle;

[0030] Figure 5 This is a schematic diagram of the second gasket in this utility model.

[0031] The markings in the diagram are as follows:

[0032] 1. U-bolt body; 2. First threaded groove; 3. First nut; 4. Second threaded groove; 5. Second nut; 6. First washer; 7. Second washer; 8. Inclined groove; 9. Housing; 10. Rotary handle; 11. Threaded rod; 12. Threaded sleeve; 13. Sliding rod; 14. Sliding block; 15. Connecting plate; 16. Moving rod; 17. Fixing block; 18. Wedge groove. Detailed Implementation

[0033] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0034] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0035] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0036] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0037] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples. Example

[0038] Please see Figures 1-5 As shown, this embodiment provides an anti-loosening U-bolt assembly for automobiles, including a U-bolt body 1, two first threaded grooves 2 and two second threaded grooves 4 on the outside of the U-bolt body 1, a first nut 3 threadedly connected to the outside of each of the two first threaded grooves 2, and a second nut 5 threadedly connected to the outside of each of the two second threaded grooves 4.

[0039] The first washer 6 is sleeved on the outside of the U-bolt body 1. The first washer 6 is located between the first nut 3 and the second nut 5. Both sides of the first washer 6 are fixedly connected to the housing 9. Two symmetrically distributed moving rods 16 are slidably installed on one side of each of the two housings 9. All four moving rods 16 slide to the outside of the housing 9. One side of each of the four moving rods 16 is fixedly connected to the fixing block 17.

[0040] Two sets of moving components are respectively set outside the two housings 9 and are used to drive the four moving rods 16 to move simultaneously.

[0041] First, the two ends of the U-bolt body 1 are passed through the car leaf spring and the axle in sequence. Then, the first washer 6 is attached to the surface of the axle. Then, the first nut 3 and the second nut 5 are rotated. At this time, the first nut 3 and the second nut 5 can fix the car leaf spring and the axle. The friction can be increased by the second washer 7 and the inclined groove 8 opened on the second washer 7, so as to prevent the U-bolt body 1 from loosening.

[0042] By gripping and rotating the shaft handle 10, the threaded rod 11 is driven to rotate. The rotation of the threaded rod 11 moves the threaded sleeve 12, connecting plate 15, moving rod 16, and fixing block 17. The wedge-shaped groove 18 of the fixing block 17 engages with the first nut 3 and the second nut 5. When the threaded sleeve 12 moves, it causes the slider 14 to slide outside the sliding rod 13, making the threaded sleeve 12 more stable during movement. This structure secures the first nut 3 and the second nut 5, preventing the U-bolt body 1 from loosening and facilitating its use by operators. Example

[0043] This embodiment provides an anti-loosening U-bolt assembly for automobiles. In addition to the technical solution of the above embodiment, it also has the following technical features: the first thread groove 2 and the second thread groove 4 have opposite helical directions.

[0044] By having the first threaded groove 2 and the second threaded groove 4 have opposite spiral directions, the first nut 3 and the second nut 5 can move in opposite directions. Example

[0045] This embodiment provides an anti-loosening U-bolt assembly for automobiles. In addition to the technical solution of the above embodiment, it also has the following technical features: the top and bottom of the first washer 6 are fixedly connected to two symmetrically distributed second washer 7, and the top and bottom of the four second washer 7 are all provided with inclined grooves 8.

[0046] The friction force can be increased by the second gasket 7 and the inclined groove 8 opened on the second gasket 7, so as to prevent the U-bolt body 1 from becoming loose. Example

[0047] This embodiment provides an anti-loosening U-bolt assembly for automobiles. In addition to the technical solutions of the above embodiments, it also has the following technical features: the movable assembly includes a threaded rod 11, which is rotatably installed inside the housing 9. The threaded rod 11 is externally threadedly connected to a threaded sleeve 12. The top and bottom of the threaded sleeve 12 are fixedly connected to connecting plates 15, and the two connecting plates 15 are respectively fixedly connected to two movable rods 16.

[0048] The rotation of the threaded rod 11 can drive the threaded sleeve 12, the connecting plate 15, the moving rod 16 and the fixed block 17 to move. The wedge groove 18 of the fixed block 17 is in contact with the first nut 3 and the second nut 5. Example

[0049] This embodiment provides an anti-loosening U-bolt assembly for automobiles. In addition to the technical solutions of the above embodiments, it also has the following technical features: a rotating handle 10 is rotatably installed at one end of the housing 9, and one end of the rotating handle 10 is fixedly connected to the threaded rod 11. The rotating handle 10 is made of rubber.

[0050] The rubber handle 10 improves the comfort of staff when holding it. Example

[0051] This embodiment provides an anti-loosening U-bolt assembly for automobiles. In addition to the technical solution of the above embodiment, it also has the following technical features: two symmetrically distributed slide rods 13 are fixedly connected inside the housing 9, and sliders 14 are slidably installed on the outside of the two slide rods 13. The sliders 14 are fixedly connected to the threaded sleeves 12.

[0052] When the threaded sleeve 12 moves, it causes the slider 14 to slide outside the slide rod 13, which makes the threaded sleeve 12 more stable when it moves. Example

[0053] This embodiment provides an anti-loosening U-bolt assembly for automobiles. In addition to the technical solutions of the above embodiments, it also has the following technical features: a wedge-shaped groove 18 is provided on one side of the fixing block 17, and the wedge-shaped groove 18 is adapted to the first nut 3 and the second nut 5.

[0054] The wedge-shaped groove 18 allows it to fit snugly against the first nut 3 and the second nut 5.

[0055] Working principle: First, the two ends of the U-bolt body 1 are passed through the car leaf spring and the axle in sequence. Then, the first washer 6 is put into contact with the surface of the axle. Then, the first nut 3 and the second nut 5 are rotated. At this time, the first nut 3 and the second nut 5 can fix the car leaf spring and the axle. The friction can be increased by the second washer 7 and the inclined groove 8 opened on the second washer 7, so as to prevent the U-bolt body 1 from loosening.

[0056] By gripping and rotating the shaft handle 10, the threaded rod 11 is driven to rotate. The rotation of the threaded rod 11 drives the threaded sleeve 12, connecting plate 15, moving rod 16 and fixing block 17 to move. The wedge groove 18 of the fixing block 17 fits with the first nut 3 and the second nut 5. When the threaded sleeve 12 moves, it drives the slider 14 to slide outside the sliding rod 13, which makes the threaded sleeve 12 more stable when moving. With the above structure, the first nut 3 and the second nut 5 can be fixed, avoiding the loosening of the U-bolt body 1, and making it convenient for workers to use.

[0057] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A U-bolt assembly for preventing loosening in automobiles, comprising a U-bolt body (1), characterized in that, The U-bolt body (1) has two first threaded grooves (2) on its outside and two second threaded grooves (4) on its outside. The two first threaded grooves (2) are threaded with a first nut (3), and the two second threaded grooves (4) are threaded with a second nut (5). The first washer (6) is sleeved on the outside of the U-bolt body (1). The first washer (6) is located between the first nut (3) and the second nut (5). Both sides of the first washer (6) are fixedly connected to the housing (9). Two symmetrically distributed moving rods (16) are slidably installed on one side of each of the two housings (9). All four moving rods (16) slide to the outside of the housing (9). One side of each of the four moving rods (16) is fixedly connected to the fixing block (17). Two sets of moving components are respectively set outside the two boxes (9) and are used to drive four moving rods (16) to move simultaneously.

2. The automotive anti-loosening U-bolt assembly according to claim 1, characterized in that, The first threaded groove (2) has the opposite spiral direction to the second threaded groove (4).

3. The automotive anti-loosening U-bolt assembly according to claim 1, characterized in that, The top and bottom of the first gasket (6) are fixedly connected to two symmetrically distributed second gaskets (7), and the top and bottom of the four second gaskets (7) are provided with inclined grooves (8).

4. The automotive anti-loosening U-bolt assembly according to claim 1, characterized in that, The moving component includes a threaded rod (11), which is rotatably mounted inside the housing (9). The threaded rod (11) is externally threaded with a threaded sleeve (12). The top and bottom of the threaded sleeve (12) are fixedly connected with connecting plates (15), and the two connecting plates (15) are respectively fixedly connected to the two moving rods (16).

5. The automotive anti-loosening U-bolt assembly according to claim 4, characterized in that, A rotating handle (10) is rotatably mounted on one end of the housing (9). One end of the rotating handle (10) is fixedly connected to the threaded rod (11). The rotating handle (10) is made of rubber.

6. The automotive anti-loosening U-bolt assembly according to claim 4, characterized in that, The box (9) has two symmetrically distributed slide rods (13) fixedly connected inside. Each of the two slide rods (13) has a slider (14) slidably installed on its outside. The slider (14) is fixedly connected to the threaded sleeve (12).

7. The automotive anti-loosening U-bolt assembly according to claim 1, characterized in that, The fixing block (17) has a wedge-shaped groove (18) on one side, and the wedge-shaped groove (18) is adapted to the first nut (3) and the second nut (5).

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