Screw fastening device for automobile interior seat

Abstract

The utility model discloses an automobile interior seat screw fastening device which comprises a fastening screw rod, a fastening nut is connected to the fastening screw rod in a threaded mode, two installation grooves are formed in the fastening nut, movable rods are connected to the inner walls of the installation grooves in a sliding mode, one ends of the movable rods penetrate through and extend out of the installation grooves, and the other ends of the movable rods penetrate through and extend out of the installation grooves. A spring is fixedly connected to the inner wall of the mounting groove, a synchronous plate is slidably connected to the inner wall of the mounting groove, and the other end of the spring is fixedly connected to the synchronous plate. According to the utility model, the matching groove on the non-slip mat is tightly attached to the threads on the outer side of the screw rod, so that the loosening phenomenon in the using process or when a vehicle runs joltly is effectively prevented, the stability and the safety of the seat are ensured, and the position of the non-slip mat is easily adjusted in the mounting process through the combined design of the movable rod and the spring; normal movement of the fastening nut is prevented from being interfered, the overall design is simple and efficient, and the efficiency and quality of fastening operation are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automotive interior assembly, more specifically, relate to a kind of automotive interior seat screw fastening device. BACKGROUND

[0002] In the installation process of automotive interior seat, screw fastening is the key link to ensure the stability of seat. The traditional automotive interior seat screw fastening mode often only relies on the simple thread cooperation of nut and screw rod.

[0003] However, in the actual use of automobile, especially the bump, vibration and other conditions generated during vehicle driving, the tightened nut is prone to looseness. This looseness not only affects the stability of the seat, but also can produce noise, reduce the comfort of riding, and even in extreme cases, it can pose a threat to the safety of people in the car. In addition, the connection of nut and screw rod in the installation process of traditional fastening mode may not be accurate and efficient, and lacks effective auxiliary structure to ensure the convenience of installation and the reliability of fastening. SUMMARY

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide an automotive interior seat screw fastening device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An automotive interior seat screw fastening device, comprising a fastening screw rod, a fastening nut is threadedly connected to the fastening screw rod, two installation grooves are formed in the interior of the fastening nut, an activity rod is slidably connected to the inner wall of the installation groove, one end of the activity rod penetrates and extends to the outside of the installation groove, a rear spring is fixedly connected to the inner wall of the installation groove, a synchronous plate is slidably connected to the inner wall of the installation groove, the other end of the spring is fixedly connected to the synchronous plate, the top of the synchronous plate penetrates the installation groove and extends to the top of the fastening nut, a non-slip pad is connected to the synchronous plate, the non-slip pad is in contact with the fastening screw rod, a connecting belt is connected to the bottom of the activity rod, the other end of the connecting belt is connected to the synchronous plate, a roller shaft is rotatably connected to the inner wall of the installation groove, and the connecting belt is wound around the roller shaft.

[0007] As a further description of the above technical scheme: a shielding plate is fixedly connected to the synchronous plate, and the shielding plate shields the top of the installation groove.

[0008] As a further description of the above technical scheme: a non-slip pad is fixedly connected to the synchronous plate, and the shielding plate shields the top of the installation groove.

[0009] As a further description of the above technical solution: the inner wall of the mounting groove is fixedly connected with a guide shaft, and the synchronous plate is slidingly connected on the guide shaft.

[0010] As a further description of the above technical solution: the fastening screw is connected with a gasket, and the gasket is made of rubber material.

[0011] As a further description of the above technical solution: the spring is internally provided with an extension sleeve rod, and the two ends of the extension sleeve rod are connected on the inner wall of the mounting groove and the movable rod, respectively.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] In the utility model, the close fit of the engagement groove on the anti-skid pad and the external thread of the screw rod effectively prevents loosening during use or when the vehicle is running on a bumpy road, ensures the stability and safety of the seat, and the combined design of the movable rod and the spring allows easy adjustment of the position of the anti-skid pad during installation, avoids interference with the normal operation of the fastening nut, and greatly improves the efficiency and quality of fastening work. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective structural schematic view of the utility model;

[0015] Figure 2 It is a front view sectional structural schematic view of the utility model;

[0016] Figure 3 It is a Figure 2 It is an enlarged structural schematic view of A in the middle;

[0017] Figure 4 It is a synchronous plate perspective structural schematic view of the utility model.

[0018] Explanation of reference numerals in the drawing:

[0019] 1, fastening screw; 2, fastening nut; 3, mounting groove; 4, movable rod; 5, spring; 6, synchronous plate; 7, anti-skid pad; 8, connecting belt; 9, roller; 10, shielding plate; 11, engagement groove; 12, guide shaft; 13, gasket; 14, extension sleeve rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] Please refer to Figures 1-4The utility model discloses a kind of automobile interior seat screw fastening devices, including fastening screw rod 1, fastening screw rod 1 is threadedly connected with fastening nut 2, two installation grooves 3 are set in the inside of fastening nut 2, slidingly connected with movable rod 4 on the inner wall of installation groove 3, movable rod 4 one end penetrates and extends to the outside of installation groove 3, spring 5 is fixedly connected on the inner wall of installation groove 3, synchronizing plate 6 is slidingly connected on the inner wall of installation groove 3, the other end of spring 5 is fixedly connected on synchronizing plate 6, the top of synchronizing plate 6 penetrates installation groove 3 and extends to the top of fastening nut 2, anti-skid pad 7 is connected on synchronizing plate 6, anti-skid pad 7 is in contact with fastening screw rod 1, the bottom of movable rod 4 is connected with connecting band 8, the other end of connecting band 8 is connected on synchronizing plate 6, rotatably connected with roller shaft 9 on the inner wall of installation groove 3, connecting band 8 is arranged on roller shaft 9.

[0022] Anti-skid pad 7 is arranged with the matching groove 11 of equal distance arrangement;The inner wall of installation groove 3 is fixedly connected with guide shaft 12, and synchronizing plate 6 is slidingly connected on guide shaft 12.

[0023] When fastening operation needs to be carried out using the automobile interior seat screw fastening device, first, the fastening bolt is penetrated from the bottom of the interior seat screw hole. Then press movable rod 4, movable rod 4 is slid in installation groove 3 by overcoming the elastic force of spring 5, movable rod 4 pulls synchronizing plate 6 through connecting band 8, connecting band 8 rotates around roller shaft 9, at this time, synchronizing plate 6 slides downward in installation groove 3 under the guidance of guide shaft 12, so that anti-skid pad 7 does not affect the movement of fastening nut 2 on fastening screw rod 1.

[0024] Then, fastening nut 2 is sleeved on fastening screw rod 1 for connection, after connection is completed, movable rod 4 is loosened, spring 5 resets movable rod 4 due to its own elastic force, movable rod 4 resets synchronizing plate 6 through connecting band 8, and synchronizing plate 6 resets anti-skid pad 7, so that the matching groove 11 on anti-skid pad 7 is in close contact with the outer thread of fastening screw rod 1, thereby improving the stability of fastening nut 2, and avoiding loosening during automobile use or vehicle driving.

[0025] In the utility model, the matching groove 11 on anti-skid pad 7 is in close contact with the outer thread of the screw rod, effectively preventing loosening during use or vehicle driving, ensuring the stability and safety of the seat, and the combination of movable rod 4 and spring 5 allows easy adjustment of the position of anti-skid pad 7 during installation, avoiding interference with the normal movement of fastening nut 2, the overall design is simple and efficient, greatly improving the efficiency and quality of fastening operation.

[0026] Please refer to Figures 1-4 Among them: synchronizing plate 6 is fixedly connected on the baffle 10, and the baffle 10 shields the top of installation groove 3.

[0027] The utility model discloses a synchronous plate 6 keeps stable, and the baffle 10 is shielded to the top of mounting groove 3, thereby can avoid sundry dust to enter the inside of mounting groove 3 and cause the jam of synchronous plate 6.

[0028] Please refer to Figure 1 Wherein: the fastening screw 1 is connected with the gasket 13, and the gasket 13 is made of rubber material.

[0029] In the utility model, the gasket 13 made of rubber material is arranged at the contact position of the fastening screw 1 and the automotive interior seat, so that the fastening screw 1 can be prevented from being greatly abraded with the seat after locking, and the friction force can be improved to prevent loosening.

[0030] Please refer to Figure 2 With 3 Wherein: the telescopic sleeve rod 14 is arranged in the spring 5, and two ends of the telescopic sleeve rod 14 are connected to the inner wall of the mounting groove 3 and the movable rod 4 respectively.

[0031] In the utility model, the telescopic sleeve rod 14 can limit the movable rod 4, so that the movable rod 4 always keeps stable movement in the horizontal direction.

[0032] The above is only the preferred specific embodiment of the utility model; but the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improvement concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. An automotive interior seat screw fastening device comprising a fastening screw rod (1), characterized in that: The fastening screw (1) is screwed with a fastening nut (2), the inside of the fastening nut (2) is provided with two installation grooves (3), the inner wall of the installation groove (3) is slidably connected with a movable rod (4), one end of the movable rod (4) penetrates and extends to the outside of the installation groove (3), the inner wall of the installation groove (3) is fixedly connected with a spring (5), the inner wall of the installation groove (3) is slidably connected with a synchronous plate (6), the other end of the spring (5) is fixedly connected on the synchronous plate (6), the top of the synchronous plate (6) penetrates the installation groove (3) and extends to the top of the fastening nut (2), the synchronous plate (6) is connected with a non-slip pad (7), the non-slip pad (7) contacts with the fastening screw (1), the bottom of the movable rod (4) is connected with a connecting belt (8), the other end of the connecting belt (8) is connected on the synchronous plate (6), the inner wall of the installation groove (3) is rotatably connected with a roller shaft (9), the connecting belt (8) is wound on the roller shaft (9).

2. A seat screw fastening device for automotive interior according to claim 1, characterized in that: The synchronous plate (6) is fixedly connected with a shielding plate (10), the shielding plate (10) shields the top of the installation groove (3).

3. The automotive interior seat screw fastening device of claim 1, wherein: The non-slip pad (7) is provided with a plurality of engagement grooves (11) arranged at equal distances.

4. The automotive interior seat screw fastening device of claim 1, wherein: The inner wall of the installation groove (3) is fixedly connected with a guide shaft (12), the synchronous plate (6) is slidably connected on the guide shaft (12).

5. The automotive interior seat screw fastening device of claim 1, wherein: The fastening screw (1) is connected with a gasket (13), the gasket (13) is made of rubber material.

6. The automotive interior seat screw fastening device of claim 1, wherein: The inside of the spring (5) is provided with a telescopic sleeve rod (14), the two ends of the telescopic sleeve rod (14) are connected on the inner wall of the installation groove (3) and the movable rod (4) respectively.

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