High-strength automobile bolt fastener

Abstract

The utility model provides a high-strength automobile bolt fastener. Comprising a screw and a connector, the top end of the screw is fixedly connected with the bottom of the connector, a limiting assembly is arranged on the inner side, close to the top end, of the screw, and a connecting assembly is arranged on the edge of the outer side of the screw. According to the high-strength automobile bolt fastener, all parts of the fastener are arranged in a matched mode, an adjusting block drives a threaded rod to rotate, the threaded rod drives a threaded sleeve to slide forwards, and a driving column is extruded to slide outwards on the inner side of a driving groove through the arc-shaped arrangement of the surface of the threaded sleeve; the driving column drives the limiting piece to penetrate through the first communicating hole and be attached to the inner side wall of the automobile part to abut against the part, the situation that looseness occurs between the parts, and the connection stability is affected is avoided, the nut is reinforced in cooperation with the effect of the connecting assembly, the nut connection stability is ensured, and the situation that the nut is loosened due to vibration is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field especially relates to a high strength automobile bolt fastener. BACKGROUND

[0002] The car is composed of thousands of different components, and the bolt fastener, as the most basic connecting element, is responsible for connecting various components such as the engine, chassis, body, suspension system, and interior parts to form a complete automobile structure frame.

[0003] The existing bolt fastener is connected with automobile components through matched bolts and nuts, and the bolts and nuts are tightened by using a wrench, so that the connection between components is firm enough through good thread engagement and sufficient friction force. The design of the bolt fastener enables the automobile to be easily disassembled by tools during maintenance or component replacement, thereby improving the maintenance efficiency and economy.

[0004] In the related art, various vibrations are generated during the driving of the automobile, and continuous vibrations cause the components to be subjected to continuously changing impact forces, so that the friction force at the bolt connection gradually decreases, causing the bolt to loosen and affecting the safety of the components.

[0005] Therefore, it is necessary to provide a high-strength automobile bolt fastener to solve the above technical problems. SUMMARY

[0006] The utility model provides a high strength automobile bolt fastener solves the problem that since the automobile in the driving process will produce various vibrations, continuous vibration will make each component receive the impact force that changes constantly, make the friction force at the bolt connection gradually decrease, thereby causing the bolt to loosen and affecting the safety of the components.

[0007] To solve the above technical problems, the utility model provides a high-strength automobile bolt fastener, which comprises a screw rod and a connecting head, the top end of the screw rod is fixedly connected with the bottom of the connecting head, a limiting assembly is arranged on the inner side of the screw rod close to the top end, and a connecting assembly is arranged on the outer edge of the screw rod;

[0008] The limiting assembly comprises a threaded rod rotatably arranged on the inner side of the screw rod, a threaded sleeve is sleeved on the outer edge of the threaded rod and is threadedly connected with the threaded rod, driving columns are arranged on the inner side of the screw rod and located on the left and right sides of the threaded sleeve, and the number of the driving columns is six, driving grooves are formed in the inner side of the screw rod for sliding of the driving columns, and limiting pieces are fixedly installed on the ends of the driving columns away from the threaded rod;

[0009] The connecting assembly comprises a screw nut arranged at the outer edge of the screw rod, sliding blocks arranged at the inner side of the screw nut close to the top and the bottom, connecting rods fixedly arranged at the front end of the sliding blocks, the connecting rods penetrating through the inner side of the screw nut and connecting plates fixedly arranged at the front end of the connecting rods, positioning holes arranged at the inner side of the connecting plates close to the top and the bottom, a connecting sleeve rotatably arranged at the front side center of the connecting plate, and elastic members arranged at the outer side edge of the connecting rods to drive the sliding blocks to move backward.

[0010] Preferably, the screw rod is provided with lifting holes for the threaded sleeve to slide up and down, and the front end of the threaded sleeve and the driving column are arranged in an arc shape close to the threaded rod.

[0011] Preferably, the connecting head is provided with a rotating groove at the rear side, the rotating groove is rotatably arranged with an adjusting block for driving the threaded rod to rotate, and the adjusting block is provided with a cross groove at the rear side.

[0012] Preferably, the screw rod is provided with first communication holes for the limiting members to pass through, and the limiting members are provided with anti-skid grooves away from the driving column.

[0013] Preferably, the screw nut is provided with sliding holes for the sliding blocks to slide forward and backward, and the inner side of the connecting plate is provided with a second communication hole at the center.

[0014] Preferably, the screw rod is fixedly provided with a fixed bolt at the front end close to the center, and the screw rod is provided with a positioning rod adapted to the positioning hole at the front end and located at the periphery of the fixed bolt.

[0015] Compared with the related art, the high-strength automobile bolt fastener has the following beneficial effects:

[0016] The high-strength automobile bolt fastener is provided with various components which are arranged in cooperation with each other, the adjusting block is driven to rotate by the tool, the threaded rod is driven to rotate by the adjusting block, the threaded sleeve is driven to slide to the front side by the threaded rod, the driving column is extruded to slide outward in the driving groove by the arc-shaped arrangement on the surface of the threaded sleeve, the limiting member is driven to pass through the first communication hole by the driving column, and the limiting member is attached to the inner side wall of the automobile component to tightly press the component, so that the looseness between the components is avoided, the stability of the connection is affected, the screw nut is reinforced by the action of the connecting assembly, the stability of the connection of the screw nut is ensured, and the looseness of the screw nut due to vibration is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure diagram of a preferred embodiment of the high-strength automobile bolt fastener is shown.

[0018] Figure 2 The structure diagram of a preferred embodiment of the high-strength automobile bolt fastener is shown.Figure 1 A schematic diagram of the structure shown in the side sectional view of the screw;

[0019] Figure 3 for Figure 1 A schematic diagram of the structure of the threaded sleeve shown in the side view;

[0020] Figure 4 for Figure 1 The diagram shows a structural schematic of the side sectional view of the connecting component.

[0021] Figure 5 for Figure 1 The diagram shows a side view of the screw.

[0022] The following are the labeling elements in the diagram: 10. Screw; 20. Connector; 30. Limiting component; 31. Threaded rod; 32. Threaded sleeve; 33. Drive column; 34. Drive groove; 35. Limiting element; 36. Adjusting block; 40. Connecting component; 41. Nut; 42. Sliding block; 43. Connecting rod; 44. Connecting plate; 45. Positioning hole; 46. Connecting sleeve; 47. Elastic element; 50. Fixing bolt; 60. Positioning rod. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of the high-strength automotive bolt fastener provided by this utility model; Figure 2 for Figure 1 A schematic diagram of the structure shown in the side sectional view of the screw; Figure 3 for Figure 1 A schematic diagram of the structure of the threaded sleeve shown in the side view;

[0025] Figure 4 for Figure 1 The diagram shows a structural schematic of the side sectional view of the connecting component. Figure 5 for Figure 1 The diagram shows a side view of the screw. A high-strength automotive bolt fastener includes: a screw 10 and a connector 20, wherein the top end of the screw 10 is fixedly connected to the bottom end of the connector 20, a limit assembly 30 is provided on the inner side of the screw 10 near the top end, and a connecting assembly 40 is provided on the outer edge of the screw 10.

[0026] The limiting assembly 30 comprises a threaded rod 31 rotatably arranged in the inner side of the screw rod 10, a threaded sleeve 32 sleeved on the outer side edge of the threaded rod 31 and threadedly connected with the threaded rod 31, six driving columns 33 arranged on the inner side of the screw rod 10 and located on the left and right sides of the threaded sleeve 32, and limiting pieces 35 fixedly installed on the ends of the driving columns 33 away from the threaded rod 31.

[0027] During use, the operator holds the connector 20 to insert the screw rod 10 into the automobile parts to be connected together, drives the adjusting block 36 to rotate by a tool, drives the threaded rod 31 to rotate by the adjusting block 36, drives the threaded sleeve 32 to slide to the front side by the threaded rod 31, extrudes the driving columns 33 to slide outwards in the driving grooves 34 by the arc-shaped surface of the threaded sleeve 32, drives the limiting pieces 35 to pass through the first communication holes and abut against the inner walls of the automobile parts by the driving columns 33, and tightly abuts the automobile parts to avoid loosening of the automobile parts and affect the stability of the connection.

[0028] The connecting assembly 40 comprises a nut 41 arranged on the outer side edge of the screw rod 10, sliding blocks 42 slidably arranged on the inner side of the nut 41 and close to the top and bottom, connecting rods 43 fixedly installed on the front ends of the sliding blocks 42, connecting plates 44 fixedly installed on the front ends of the connecting rods 43 and penetrating through the inner side of the nut 41, positioning holes 45 arranged on the inner side of the connecting plates 44 and close to the top and bottom, a connecting sleeve 46 rotatably arranged on the front side center of the connecting plate 44, and elastic pieces 47 arranged on the inner side of the nut 41 and driving the sliding blocks 42 to move rearwards.

[0029] The nut 41 is removed, the connecting plate 44 is pulled to move forwards, the connecting plate 44 drives the connecting rod 43 to move, the connecting rod 43 drives the sliding block 42 to slide forwards in the inner side of the nut 41 and extrudes the elastic piece 47 to contract, the nut 41 is sleeved on the surface of the screw rod 10, the nut 41 is tightened by a wrench, the automobile parts are fixedly installed together, the connecting plate 44 is abutted against the front end of the fixing bolt 50 by the reaction force of the elastic piece 47, the connecting sleeve 46 is manually rotated, the connecting plate 44 is driven to move rearwards by the threaded connection relationship between the fixing bolt 50 and the connecting sleeve 46, the connecting plate 44 is abutted against the front end of the screw rod 10, the positioning hole 45 is sleeved on the outer side edge of the positioning rod 60, the nut 41 is tightened with the automobile parts, the nut 41 is reinforced, the stability of the connection of the nut 41 is ensured, and loosening of the nut 41 due to vibration is avoided.

[0030] The inner side of the screw rod 10 is provided with lifting holes for the threaded sleeve 32 to slide up and down.

[0031] The connecting head 20 is provided with a rotating groove on the rear side, and an adjusting block 36 rotating with the driving threaded rod 31 is arranged in the rotating groove.

[0032] The screw rod 10 is provided with a first communication hole for the limiting piece 35 to pass through, and the limiting piece 35 is provided with an anti-skid groove away from one end of the driving column 33.

[0033] The screw nut 41 is provided with a sliding hole for the sliding block 42 to slide forward and backward, and the connecting plate 44 is provided with a second communication hole at the center.

[0034] The screw rod 10 is provided with a fixed screw 50 fixedly installed at the front end close to the center, and a positioning rod 60 matched with the positioning hole 45 is arranged at the front end of the screw rod 10 and located at the side of the fixed screw 50.

[0035] The working principle of the high-strength automobile bolt fastener is as follows:

[0036] Step 1: In the process of use, the operator inserts the screw rod 10 into the automobile parts to be connected together by holding the connecting head 20, drives the adjusting block 36 to rotate by a tool, drives the threaded rod 31 to rotate by the adjusting block 36, drives the threaded sleeve 32 to slide to the front side by the threaded rod 31, extrudes the driving column 33 to slide outward in the driving groove 34 by the arc-shaped arrangement on the surface, drives the limiting piece 35 to pass through the first communication hole by the driving column 33, and abuts against the inner wall of the automobile parts to tightly abut the parts to avoid loosening between the parts and affect the stability of the connection.

[0037] Step 2: The screw nut 41 is removed, the connecting plate 44 is moved to the front side, the connecting plate 44 drives the connecting rod 43 to move, the connecting rod 43 drives the sliding block 42 to slide to the front side in the screw nut 41, and the elastic piece 47 is extruded to contract, the screw nut 41 is sleeved on the surface of the screw rod 10, and the screw nut 41 is tightened by a wrench, so that the automobile parts are fixedly installed together, the connecting plate 44 is abutted against the front end of the fixed screw 50 by the reaction force of the elastic piece 47, the connecting sleeve 46 is manually rotated, the connecting plate 44 is moved to the rear side by the threaded connection relationship between the fixed screw 50 and the connecting sleeve 46, the connecting plate 44 is abutted against the front end of the screw rod 10, the positioning hole 45 is sleeved on the outer edge of the positioning rod 60, and the automobile parts are tightened together, the screw nut 41 is reinforced, the stability of the screw nut 41 is ensured, and the loosening of the screw nut 41 due to vibration is avoided.

[0038] Compared with the related art, the high-strength automobile bolt fastener has the following beneficial effects:

[0039] Through the cooperation of various parts of the device, the adjusting block 36 is driven to rotate by the tool, the adjusting block 36 drives the threaded rod 31 to rotate, the threaded rod 31 drives the threaded sleeve 32 to slide to the front side, and through the arc-shaped arrangement on the surface, the driving column 33 is extruded to slide outward in the driving groove 34, the driving column 33 drives the limiting piece 35 to pass through the first communication hole and abuts against the inner wall of the automobile part, so that the part is tightly pressed, the loosening between the parts is avoided, the stability of the connection is affected, the screw cap 41 is reinforced in cooperation with the connecting assembly 40, the stability of the connection of the screw cap 41 is ensured, and the loosening of the screw cap 41 due to vibration is avoided.

[0040] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation obtained by utilizing the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A high-strength automotive bolt fastener, characterized in that, include: The screw (10) and connector (20) are provided. The top end of the screw (10) is fixedly connected to the bottom end of the connector (20). A limit assembly (30) is provided on the inner side of the screw (10) near the top end. A connecting assembly (40) is provided on the outer edge of the screw (10). The limiting component (30) includes a threaded rod (31) rotatably disposed inside the screw (10). A threaded sleeve (32) is sleeved on the outer edge of the threaded rod (31) and threadedly connected to it. A drive post (33) is provided on the inner side of the screw (10) and on both the left and right sides of the threaded sleeve (32). There are six drive posts (33). A drive groove (34) is opened on the inner side of the screw (10) to allow the drive posts (33) to slide left and right. A limiting component (35) is fixedly installed on the end of the drive post (33) away from the threaded rod (31). The connecting assembly (40) includes a nut (41) disposed on the outer edge of the screw (10). Sliding blocks (42) are slidably disposed on the inner side of the nut (41) near the top and bottom. A connecting rod (43) is fixedly installed at the front end of each sliding block (42). The front end of each connecting rod (43) passes through the inner side of the nut (41) and is fixedly installed with a connecting plate (44). A positioning hole (45) is provided on the inner side of the connecting plate (44) near the top and bottom. A connecting sleeve (46) is rotatably disposed at the center of the front side of the connecting plate (44). An elastic element (47) is provided on the inner side of the nut (41) to drive the outer edge of the connecting rod (43) to drive the sliding block (42) to move backward.

2. The high-strength automotive bolt fastener according to claim 1, characterized in that, The screw (10) has a lifting hole on its inner side for the threaded sleeve (32) to slide up and down. The front end of the threaded sleeve (32) and the end of the drive column (33) near the threaded rod (31) are both arc-shaped.

3. The high-strength automotive bolt fastener according to claim 1, characterized in that, The connector (20) has a rotating groove on its rear side, and an adjusting block (36) for driving the threaded rod (31) to rotate is rotatably arranged inside the rotating groove. The adjusting block (36) has a cross groove on its rear side.

4. The high-strength automotive bolt fastener according to claim 1, characterized in that, The screw (10) has a first connecting hole on its inner side, through which the limiting member (35) can pass. The limiting member (35) has an anti-slip groove on the end away from the drive column (33).

5. The high-strength automotive bolt fastener according to claim 1, characterized in that, The nut (41) has a sliding hole on its inner side, which allows the sliding block (42) to slide back and forth, and the connecting plate (44) has a second connecting hole at its inner center.

6. The high-strength automotive bolt fastener according to claim 1, characterized in that, A fixing bolt (50) is fixedly installed at the front end of the screw (10) near the center, and a positioning rod (60) that is adapted to the positioning hole (45) is provided at the front end of the screw (10) and on the side of the fixing bolt (50).

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